DM632B Version : PRE.001 Issue Date : 2008/07/31 File Name : SP-DM632B-PRE.001.doc Total Pages : 31 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH 16-bit PROGRAMMABLE PWM OUTPUTS 新竹市科學園區展業一路 9 號 7 樓之 1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B DM632B 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH 16-bit PROGRAMMABLE PWM OUTPUTS General Description DM632B is a 16-channel constant current sink LED driver. Each channel has independent 16-bits (65536 steps) grayscale PWM control current outputs. It incorporates shift registers, data latches, constant current circuitry with current value set by an external resistor, and built-in LED open detection circuit to detect error status. It combines the selections with rising / falling edge serial out, auto-reload/one-shot PWM output, internal/external grayscale clock source. It is specifically designed for LED display or lighting applications. Features z Constant-current outputs: 5mA to 60mA adjustable by one external resistor z 16-bit linear PWM control current outputs for each channel z Maximum output voltage: 17V z Maximum clock frequency: 25MHz z Auto-Reload / One-Shot Mode selection. z Serial out clock edge selection – Rising / Falling edge selection z Internal / External PWM clock mode selection z Built-in real-time open detection z Package and pin assignment compatible to conventional LED drivers (DM134/5/6, DM13C) z Power supply voltage: 3.3V to 5V z Schmitt Trigger input z Output channel delay Applications z Indoor/Outdoor LED Video Display z LED Variable Message Signs (VMS) System z LED Decorative Lighting Package Types z DIP24B, SOP24B, SSOP24, TSSOP24E (with exposed pad) 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Block Diagram OUT 0 OUT 1 OUT 15 LED Open Detector (0) LED Open Detector (1) LED Open Detector (15) Internal Oscillator Constant Current Driver (0) Constant Current Driver (1) Constant Current Driver (15) REXT 16-bit Counter 16-bit PWM Generator (0) 16-bit PWM Generator (1) 16-bit PWM Generator (15) GCK VCC GND 16 LAT 16-bit Latch Register (0) 16 16-bit Latch Register (1) 16 DAI 16-bit Shift Register (0) 16 16-bit Latch Register (15) 16 16 16-bit Shift Register (1) 16-bit Shift Register (15) DAO DCK 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 2 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Pin Connection GND DAI DCK LAT OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 1 24 2 DIP24B 3 4 SOP24 5 22 21 20 6 SOP24B 7 8 23 19 18 TSSOP24E 9 16 10 11 17 15 ( top view ) 12 14 13 VCC REXT DAO GCK OUT 15 OUT 14 OUT 13 OUT 12 OUT 11 OUT 10 OUT 9 OUT 8 Pin Description PIN No. PIN NAME FUNCTION SOP24B/SSOP24/TSSOP24E: 1 TSSOP24E: exposed pad GND Ground terminal. SOP24B/SSOP24/TSSOP24E: 2 DAI Serial data input terminal. SOP24B/SSOP24/TSSOP24E: 3 DCK Synchronous clock input terminal for serial data transfer. Data is sampled at the rising edge of DCK. LAT Input terminal of data strobe: ‘H’ means data on shift register goes through latch (level trigger), all outputs off and counter reset immediately ‘L’ means data is latched. SOP24B/SSOP24/TSSOP24E: 4 SOP24B/SSOP24/TSSOP24E: 5~20 OUT0~15 Sink constant-current outputs (open-drain). Gray Scale Clock (GCK) : Input terminal for PWM operation. SOP24B/SSOP24/TSSOP24E: 21 GCK SOP24B/SSOP24/TSSOP24E: 22 DAO Serial data output terminal. Data shift out at the rising edge of DCK in REM∗1 (default), or data shift out at the falling edge of DCK in FEM∗2. SOP24B/SSOP24/TSSOP24E: 23 REXT External resistors connected between REXT and GND for output current value setting. SOP24B/SSOP24/TSSOP24E: 24 VCC Supply voltage terminal. ∗ 1 Rising Edge Mode 2 Falling Edge Mode ∗ 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 3 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Equivalent Circuit of Inputs and Outputs 1. DCK, DAI, LAT , GCK terminals 2. DAO terminals PCB Layout Consideration To connect an external resistor to REXT pin and ground can determine the maximum output current. If there is any disturbance occurred to REXT pin, the constant current output may be unstable or has noise happened. Since REXT (pin23), DAO (pin22), and GCK (pin21) are next to each other, the most possible interference is caused by DAO or GCK signal. Accordingly, it is recommended that adding some shielding area within the above pins in PCB layout, or laying the signal line of above pins on different PCB layer will prevent the noise problems effectively. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 4 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Maximum Ratings (Ta=25°C, Tj(max) = 150°C) CHARACTERISTIC SYMBOL RATING UNIT Supply Voltage VCC -0.3 ~ 7.0 V Input Voltage VIN -0.3 ~ VCC+0.3 V Output Current IOUT 70 mA Output Voltage VOUT -0.3 ~ 17 V Input Clock Frequency FDCK 25 MHz GND Terminal Current IGND 1120 mA 4.17 ( TSSOP24E exposed pad) Power Dissipation (4 layer PCB, at Ta=25℃) 2.19 ( SOP24B) PD W 1.87 (DIP24B) 1.79 ( SSOP24 ) 30 ( TSSOP24E exposed pad) Thermal Resistance (4 layer PCB, at Ta=25℃) 57 (SOP24B) Rth(j-a) °C/W 67 (DIP24B) 70 (SSOP24 ) Operating Temperature Top -40 ~ 85 °C Storage Temperature Tstg -55 ~ 150 °C Recommended Operating Condition CHARACTERISTIC Supply Voltage Output Voltage Output Voltage Output Current Input Voltage SYMBOL CONDITION MIN. TYP. MAX. UNIT VCC ⎯ 3.3 5.0 5.5 V 1.0 ⎯ 0.5VCC ⎯ ⎯ 17 VOUT VOUT *1 Driver On *2 Driver Off IO OUTn 5 ⎯ 60 IOH VOH = VCC – 0.4 V ⎯ ⎯ +1.5 IOL VOL = 0.2 V ⎯ ⎯ -1.5 VIH VIL VCC = 3.3 V ~ 5.5V 0.8VCC ⎯ VCC 0.0 ⎯ 0.2VCC Input Clock Frequency FDCK Single Chip Operation ⎯ ⎯ 25 Input PWM Frequency FGCK 3.3V~5.5V ⎯ ⎯ 25 LAT Pulse Width tw LAT 15 ⎯ ⎯ DCK Pulse Width tw DCK 15 ⎯ ⎯ 10 ⎯ ⎯ 10 ⎯ ⎯ 10 ⎯ ⎯ ⎯ ⎯ Set-up Time for DAI tsetup(D) Hold Time for DAI thold(D) Set-up Time for LAT tsetup(L) Hold Time for LAT VCC = 5.0V thold(L) *3 360 V mA V MHz ns *1 Notice that the power dissipation is limited to its package and ambient temperature. The driver output voltage including any overshoot stress has to be compliant with the maximum voltage (17V). *3 Due to open detection operation and output channel delay consideration. *2 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 5 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Electrical Characteristics (VCC = 5.0 V, Ta = 25°C unless otherwise noted) CHARACTERISTIC Output Leakage Current SYMBOL CONDITION MIN. TYP. MAX. UNIT IOL VOH = 17 V ⎯ ⎯ ±1.0 uA VOL IOL = 1.25 mA ⎯ ⎯ 0.4 VOH IOH= 1.4 mA VCC-0.2 ⎯ ⎯ ⎯ ⎯ ±3 % TBD TBD TBD mA Rrext = 2.2 KΩ VOUT = 1 V ~ 3 V ⎯ ±0.1 ±0.5 % / VCC Rrext = 2.2 KΩ ⎯ ±1 ±4 V(od) all outputs turn on ⎯ 0.2 ⎯ IDD(off) power on all pins are open unless VCC and GND (internal GCK mode ⎯ 5.5 ⎯ IDD(off) power on all pins are open unless VCC and GND (external GCK mode) ⎯ 5.0 ⎯ IDD(on) input signal is static Rrext = 12.4 KΩ all outputs turn off ⎯ 6.0 ⎯ IDD(on) input signal is static Rrext = 2.2 KΩ all outputs turn off ⎯ 8.5 ⎯ IDD(on) input signal is static Rrext = 570 Ω all outputs turn off ⎯ 17.5 ⎯ Output Voltage (S-OUT) Output Current Skew (Channel-to-Channel) IOL1 *1 VOUT = 1.0 V Rrext = 2.2 KΩ Output Current Skew (Chip-to-Chip) IOL2 *2 Output Voltage Regulation % / VOUT Supply Voltage Regulation LED Open Detection Threshold Supply Current V *3 %/V V mA *1 Channel-to-channel skew is defined as the ratio between (any Iout – average Iout) and average Iout, where average Iout = (Imax + Imin) / 2. *2 Chip-to-Chip skew is defined as the range into which any output current of any IC falls. *3 IO excluded. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 6 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Electrical Characteristics (VCC = 3.3 V, Ta = 25°C unless otherwise noted) CHARACTERISTIC Output Leakage Current SYMBOL CONDITION MIN. TYP. MAX. UNIT IOL VOH = 17 V -1.0 ⎯ +1.0 uA VOL IOL = 1.25 mA ⎯ ⎯ 0.4 VOH IOH= 1.4 mA VCC-0.2 ⎯ ⎯ ⎯ ⎯ ±3 % TBD TBD TBD mA Rrext = 2.2 KΩ VOUT = 1 V ~ 3 V ⎯ ±0.1 ±0.5 % / VCC Rrext = 2.2 KΩ ⎯ ±1 ±4 V(od) all outputs turn on ⎯ 0.2 ⎯ IDD(off) power on all pins are open unless VCC and GND (internal GCK mode) ⎯ 4.5 ⎯ IDD(off) power on all pins are open unless VCC and GND (external GCK mode) ⎯ 4.2 ⎯ IDD(on) input signal is static Rrext = 12.4 KΩ all outputs turn off ⎯ 5.5 ⎯ IDD(on) input signal is static Rrext = 2.2 KΩ all outputs turn off ⎯ 7.0 ⎯ IDD(on) input signal is static Rrext = 570 Ω all outputs turn off ⎯ 15.0 ⎯ Output Voltage (S-OUT) Output Current Skew (Channel-to-Channel) IOL1 *1 VOUT = 1.0 V Rrext = 2.2 KΩ Output Current Skew (Chip-to-Chip) IOL2 *2 Output Voltage Regulation % / VOUT Supply Voltage Regulation LED Open Detection Threshold Supply Current V *3 %/V V mA *1 Channel-to-channel skew is defined as the ratio between (any Iout – average Iout) and average Iout, where average Iout = (Imax + Imin) / 2. *2 Chip-to-Chip skew is defined as the range into which any output current of any IC falls. *3 IO excluded. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 7 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Switching Characteristics (VCC = 5.0V, Ta = 25°C unless otherwise noted) CHARACTERISTIC SYMBOL DCK(rising edge)-to-DAO tpLH DCK(falling edge)-to-DAO Propagation Delay (‘H’ to ‘L’) MIN. TYP. MAX. ⎯ 45.7 ⎯ VIH = VCC ⎯ 36 ⎯ VIL = GND ⎯ 16 ⎯ ⎯ 23.8 ⎯ ⎯ 28 ⎯ ⎯ 14 ⎯ ⎯ 18 ⎯ GCK-to-OUT Propagation Delay (‘L’ to ‘H’) CONDITION GCK-to-OUT DCK(rising edge)-to-DAO Rrext = 2.2 KΩ tpHL VL = 5.0 V DCK(falling edge)-to-DAO CL = 13 pF Output Current Rise Time tor Output Current Fall Time tof ⎯ 7.0 ⎯ Output Delay Time Unit Td ⎯ 20 ⎯ UNIT ns Switching Characteristics (VCC = 3.3V, Ta = 25°C unless otherwise noted) CHARACTERISTIC 0Propagation Delay (‘L’ to ‘H’) CONDITION MIN. TYP. MAX. ⎯ 48.8 ⎯ VIH = VCC ⎯ 23 ⎯ VIL = GND ⎯ 23 ⎯ ⎯ 29.6 ⎯ ⎯ 21 ⎯ ⎯ 20 ⎯ ⎯ 20 ⎯ GCK-to-OUT DCK(rising edge)-to-DAO tpLH DCK(falling edge)-to-DAO Propagation Delay (‘H’ to ‘L’) SYMBOL GCK-to-OUT Rrext = 2.2 KΩ DCK(rising edge)-to-DAO tpHL VL = 3.3 V DCK(falling edge)-to-DAO CL = 13 pF Output Current Rise Time tor Output Current Fall Time tof ⎯ 8.3 ⎯ Output Delay Time Unit Td ⎯ 30 ⎯ UNIT ns VL VCC A DAI DCK LAT GCK CL CL CL OUTn REXT DAO Rrext CL CL GND Switching Characteristics Test Circuit 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 8 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Constant-Current Output Constant-current value (Iout*1) of each output channel is set by an external resistor connected between the REXT pin and GND. The current scale ranging can be adjusted from 5mA to 60mA by varying the resistor value. The reference voltage of REXT terminal (Vrext) is approximately 1.23V. The output current value is calculated by the following equation: Iout(mA) 5 10 20 30 40 50 60 M 37.11 36.29 37.55 39.03 40.36 40.4 41.28 Output current as a function of Rext value 70 60 Iout (mA) ~ Iout(mA) 50 Vrext (V) × M Rrext (KΩ) 40 30 20 10 0 0 1000 2000 3000 4000 5000 6000 7000 8000 1.4 1.6 9000 10000 Rext Output Current as a function of Output Voltage 70 60 Iout(A) 50 40 30 20 10 0 0 0.2 0.4 0.6 0.8 1 1.2 1.8 2 Vout(V) In order to obtain a good performance of constant-current output, a suitable output voltage is necessary. Users can get related information about the minimum output voltage above. *1 Iout is typical current value setting under 100% PWM duty cycle . 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 9 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Serial Data Interface The serial-in data (DAI) data will be clocked into 16 × 16 bit shift registers synchronized on the rising edge of the clock (DCK). The data will be transferred into the 16 × 16 bit latch registers when the strobe signal ( LAT ) is kept at high level (level trigger); Otherwise, the data will be held. The latch pulse should be sent after the falling edge of the last clock within one frame data. The serial-out data (DAO) will be shifted out on synchronization of the clock (DCK). Input Data clock-in sequence The sequence of the grayscale PWM luminous data of a driver showed as following diagram. The input data sequence of input data is from the MSB of OUT15 (D15 [15:0]) to the LSB of OUT0 (D0 [15:0]) by time passing. Serial-out Data clock-out sequence The data serial out from DAO include latched grayscale data and the LSB of each output data covered by detection message (ERR) after LAT pulse be active. The serial out sequence of the data is from the MSB of OUT15 (D15 [15:0]) to the LSB of OUT0 (D0 [15:0]) by time passing. shift out first OUT 15 D15 [15] D15 [14] D15[13] D15 [12] D15[11] D15 [10] D15 [9] MSB D14 [15] D15[8] D15[7] D15 [6] D15[5] D15[4] D 15[3] D15 [2] D15[1] LSB OUT 14 D14[14] D14 [13] D14 [12] D14[11] D14 [10] D14[9] D14[8] D14 [7] ERR [15] D14[6] D14[5] D 14[4] D14 [3] D14[2] D 14[1] ERR[14] LSB MSB OUT 0 D0 [15] D0 [14] D0 [13] D0[12] D0 [11] D0[10] D0 [9] D0 [8] D0[7] D0 [6] D0 [5] D0[4] D 0[3] D0 [2] D0 [1] ERR[0] LSB MSB * ERR[15], ERR[14], … EER[0] are Error Message of LED Open Detection. ｀1＇is normal, and ｀0＇is abnormal. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 10 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Rising/Falling Edge Mode selection The luminous data serial out from DAO by data clock (DCK) as following waveform. In rising edge mode (REM), the data serial out by the rising edge of DCK. 256 1 2 255 256 DCK DAO D[255] D[254] D [253 ] ERR[0] E [255] LAT Rising Edge Mode (REM) DAO serial out by DCK rising edge. In falling edge mode (FEM), the data serial out by the falling edge of DCK. 256 1 2 255 256 DCK DAO D[255] D[254] ERR[0] E [255] LAT Falling Edge Mode (FEM) : DAO serial out by DCK falling edge. *D[255], D[254],…D[0], E[255] are clock-in data in Shift data register of driver 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 11 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B The default mode is the Rising-Edge Mode (REM*1) after power-on. Users could do mode select between REM and FEM*2 by following timing sequence. The option 1 shows two rising edge of latch pulses ( LAT ) when the data-input clock (DCK) kept at high level then sending one rising edge of DCK pulses when LAT kept at high level. Then we can receive serial-out data from the data-output signal (DAO) at falling edge of DCK after the falling edge of LAT . The option 2 shows three rising edge of LAT when DCK kept at high level then sending two rising edge of DCK, while LAT kept high level at the same time. After the falling edge of LAT , we receive serial-out data from DAO at rising edge of DCK (REM). Notice that when internal RESET at low level, all the shift registers in DM632B will be cleared (Kept at Low level). 1 1 DCK 2 DCK GCK X GCK X 1 X 2 X 1 LAT 2 3 LAT RESET (internal) RESET (internal) t Option 1 : Timing Combination to set up Falling-Edge Mode (FEM) t Option 2 : Timing Combination to set up Rising-Edge Mode (REM) Auto-Reload/One-Shot Mode selection The Auto-Reload mode (ARM) in DM632B means outputs can repeat the grayscale PWM cycle over and over. It can decrease the data amount greatly compare to non-PWM function driver operated in grayscale PWM application. Counter reset high LAT l ow 1 GCK ( internal or external ) OUT0 (current) 0 65536 GCK 65536 GCK on Frame Data B Frame Data B off Auto-Reload Mode (ARM). The One-Shot Mode in DM632B means each output shows one grayscale PWM cycle following one latch pulse. The grayscale PWM cycle starts with the falling edge of LAT signal. The first GCK pulse after LAT increases the grayscale counter by one and switches on all outputs with grayscale value. It makes driver synchronous control easily. *1 REM switch to FEM timing diagram please refer to page 16. *2 FEM switch to REM timing diagram please refer to page 17. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 12 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Counter reset high LAT l ow 1 GCK ( internal or external ) 65536 GCK OUT0 Frame Data B 0 on (current) off One-Shot Mode (OSM) The default mode is the Auto-Reload Mode (ARM*1) after power-on. Users could do mode select between ARM and One-Shot Mode (OSM*2 ) by following timing sequence. The gray scale clock signal (GCK) should keep at low during this mode selection process. The option 1 shows four rising edges of latch pulse ( LAT ) when the data-input clock (DCK) kept at high level then three rising edges of DCK when LAT kept at high level. Then DM632B starts OSM after the falling edge of LAT . The option 2 shows five rising edges of LAT when DCK kept at high level then sending four rising edges of DCK signal, while LAT signal kept high level . After falling edge of LAT , DM632B switch to ARM . Notice that when internal RESET at low level, all the shift registers in DM632B will be cleared (Kept at Low level) . 1 2 3 1 DCK GCK 2 3 4 DCK X GCK X 1 2 3 4 X X 1 LAT 2 3 4 5 LAT RESET (internal) RESET (internal) t Option 1 : Timing Combination to set up One-Shot Mode (OSM) *1 *2 t Option 2 : Timing Combination to set up Auto-Reload Mode (ARM) ARM switch to OSM timing diagram please refer to page 18. OSM switch to ARM timing diagram please refer to page 19. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 13 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Internal/External Clock Mode selection Grayscale luminous of each channel comes from comparisons of grayscale PWM luminous data and grayscale counter value. In internal-clock mode, DM632B provides build-in oscillator for counter operation. In external-clock mode, the clock source of counter is from control system through GCK pin. The default mode is the Internal-Clock Mode(ICM＊1) after power-on. Users could do mode select between ICM and External-Clock Mode (ECM∗2 ) by following timing sequence. The option 1 shows four rising edges of latch pulses ( LAT ) when the data clock (DCK) kept at high level and the grayscale clock (GCK) kept at low then sending three rising edges of DCK when LAT and GCK both kept at high level. Then we can input external gray scale clock from GCK pin to operate grayscale PWM function after the falling edge of LAT . The option 2 shows five rising edges of LAT when DCK kept at high level and GCK at low level then sending four rising edges of DCK , while LAT and GCK kept at high level . After the falling edge of LAT , grayscale PWM function operates by internal gray scale clock generator. Notice that when internal RESET at low level, all the shift registers in DM632B will be cleared (Kept at Low level). 1 2 3 1 DCK GCK 2 3 4 DCK X GCK X 1 2 3 4 X X 1 LAT 2 3 4 5 LAT RESET (internal) RESET (internal) t Option 1 : Timing Combination to set up External-Clock Mode (ECM) t Option 2 : Timing Combination to set up Internal-Clock Mode (ICM) LED Open Detection DM632B provides a real time monitor of LED open detection function without extra components or circuit design. It will be identified as a LED open failure when the output is turned on but the output voltage is below 0.2V. The test result of each channel will write to its correspondent shift register which is in LSB position (ERR[15], ERR[14], …., ERR[0]) while strobe signal is active. User can refer to timing diagram on page11. Detecting report could be retrieved from serial-out (DAO) data. If the system reads ‘1’ back, that indicates LED is in normal status. But if ‘0’ was retrieved then LED open failure has occurred. In order to make sure LED open detection function is in well operating condition, thold(L)*3 should larger then 360n sec(typ) due to the build-in delay between outputs. And it is recommended that all the luminance data wrote to ‘1’ during detection. ＊ 1 ICM switch to ECM timing diagram please refer to page 20. 2 ECM switch to ICM timing diagram please refer to page 21 * 3 Hold time between LAT and DCK, please refer to page 15. ∗ 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 14 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Timing Diagram 1. DCK-DAI, DAO tw DCK tw DCK 50% 50% 50% 50% DCK t setup(D) thold(D) 50% 50% DAI 50% DAO 50% tpLH tpHL 2. DCK-LAT 50% 50% DCK t setup(L) t hold(L) 50% 50% LAT twLAT 3. GCK-OUT0 50% 50% GCK ON 50% OUT0 50% OFF tpLH tpHL 4. Output Delay Time Unit (N=0, 4, 8, 12) ON 50% OUT N OFF td ON 50% OUTN+1 OFF td ON 50% OUTN+2 OFF td ON OUTN+3 50% OFF 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 15 *3 *1 Frame Data I Counter reset 256 J [0] ERR[ 0]*2 255 254 I [1] J [1] J [2] Frame Data J J [255] Don＇care t J [254 ] Don＇care t Mode switch period 1 L[255] 16-channel 16-bit PWM Constant Current LED Driver LAT is level trigger, not edge trigger. Iout turn off when LAT is high level ,and turn on at the first GCK rising edge when LAT is low level. J[255],J[2],J[1],J[0],I[1],I[1],L[255].L[254],… L[0],M[255],M[254],… are serial data for DM632B. *4 *5 256 L[ 0 ] Frame Data L 1 M[255] 65536 GCK *5 L [255] Don＇care t L [253] 3 M[253] Frame Data L L [254] 2 M[254] Grayscale data clock-in period *3 *1 2 L[254] REM, ARM, IGM is configered by default. They can switch to FEM, OSM, EGM accordingly. All registers in DM632B with be reset when any switch procees occur. *2 ERR[0] is the error message of LED open detection. (current ) OUTn*4 (internal) GCK (external) GCK LAT DAO DCK DAI Grayscale data clock-in period L [252] 4 M[252] off on l ow high 0 1 l ow high 0 1 low high 0 1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Timing Diagram (Rising-Edge Mode switch to Falling-Edge Mode) 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Version:PRE.001 Preliminary Page 16 *3 *1 16-channel 16-bit PWM Constant Current LED Driver ERR[ 0]*2 256 M[0] Frame Data L L [1] 255 254 L [2] M[1] M[2] Counter reset M [255] Frame Data M Don＇care t M[254 ] Don＇care t N [253 ] Mode switch period 1 O[255] M[255],M[254],… M[0],L[2],L[1],O[255].O[254],… O[0],P[255],P[254],… are serial data for DM632B. *5 *4 LAT is level trigger, not edge trigger. Iout turn off when LAT is high level ,and turn on at the first GCK rising edge when LAT is low level. 2 O[254] 256 O[0] O[255] Frame Data O 65536 GCK Don＇care t 1 3 4 P [252] O[252]*5 P [253] O[253] Frame Data O 2 P [254] O[254] P [255] Grayscale data clock-in period *3 *1 REM, ARM, IGM is configered by default. They can switch to FEM, OSM, EGM accordingly. All registers in DM632B with be reset when any switch procees occur. *2 ERR[0] is the error message of LED open detection. (current ) OUTn*4 (internal) GCK (external) GCK LAT DAO DCK DAI Grayscale data clock-in period off on l ow high 0 1 l ow high 0 1 low high 0 1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Timing Diagram (Falling-Edge Mode switch to Rising-Edge Mode) 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Version:PRE.001 Preliminary Page 17 Frame Data C 256 D[0] Frame Data D 65536 GCK Counter reset D[255] t care Don＇ Frame Data D D[254] t care Don＇ D[253] Mode switch period D[252] 1 F[255 ] 2 F [254] 256 F[0 ] Frame Data F Refresh Rate (Hz) = Input GCK Frequency (Hz) Total PWM resolution (216) D[255],D[254],… D[0],F[255],F[254],...F[0],G[255],G[254],… are serial data for DM632B. LAT is level trigger, not edge trigger. Iout turn off when LAT is high level ,and turn on at the first GCK rising edge when LAT is low level. Preliminary *4 Version:PRE.001 *3 1 2 3 F [252] G [253] F [253] G[254] F [254] G [255] 65536 GCK Counter reset F[255] *5 t Don＇care Grayscale data clock-in period For example, if the refresh rate in display system is higher than 60Hz, the input GCK frequency must be higher than 4MHz. 16-channel 16-bit PWM Constant Current LED Driver *5 *1 REM, ARM, IGM is configered by default. They can switch to FEM, OSM, EGM accordingly. All registers in DM632B with be reset when any switch procees occur. *2 ERR[0] is the error message of LED open detection. (current) OUTn*4 (internal) GCK (external) GCK LAT*3 DAO*1 DCK DAI Grayscale data clock-in period off on l ow high 0 1 l ow high 0 1 low high 0 1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Timing Diagram (Auto-Reload Mode switch to One-Shot Mode) 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Page 18 *3 *1 16-channel 16-bit PWM Constant Current LED Driver F[1] 256 255 Fr ame Data F 65536 GCK ERR[0]*2 G[0] G[1] G[255] t Don＇care Fr ame Data G G[254 ] Don＇care t G[253 ] Mode switch period G[253 ] G[252 ] LAT is level trigger, not edge trigger. Iout turn off when LAT is high level ,and turn on at the first GCK rising edge when LAT is low level. F[1],G[255],G[1],G[0],I[255],I[254],...I[0],J[255],J[254],… are serial data for DM632B. *4 *5 1 I [255] *3 *1 REM, ARM, IGM is configered by default. They can switch to FEM, OSM, EGM accordingly. All registers in DM632B with be reset when any switch procees occur. *2 ERR[0] is the error message of LED open detection. (current ) OUTn*4 (inernal) GCK (external) GCK LAT DAO DCK DAI Grayscale data clock-in period 2 I [254] 256 I [0] I [255]*5 Frame Data I 1 Frame Data I 2 J[254] I [254] J[255] 65536 GCK Don＇care t Grayscale data clock-in period off on l ow high 0 1 l ow high 0 1 low high 0 1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Timing Diagram (One-Shot Mode switch to Auto-Reload Mode) 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Version:PRE.001 Preliminary Page 19 *3 *1 16-channel 16-bit PWM Constant Current LED Driver Frame Data O ERR[ 0]*2 256 255 254 O[1] P [0] P [1] P [2] Counter reset P [255] Don＇care t Frame Data P P [254 ] P [253 ] Don＇care t Mode switch period P [252 ] 1 Q[255] P[255],P[254],… P[0],O[1],Q[255].Q[254],… Q[0],R[255],R[254],… are serial data for DM632B. *5 *4 LAT is level trigger, not edge trigger. Iout turn off when LAT is high level ,and turn on at the first GCK rising edge when LAT is low level. 2 Q[254] 256 Q [0] *5 Q [255] 1 Frame DataQ 2 R[254] Q[254] R[255] 65536 GCK Don＇care t Grayscale data clock-in period *3 *1 REM, ARM, IGM is configered by default. They can switch to FEM, OSM, EGM accordingly. All registers in DM632B with be reset when any switch procees occur. *2 ERR[0] is the error message of LED open detection. (current ) OUTn*4 (internal) GCK (external) GCK LAT DAO DCK DAI Grayscale data clock-in period l ow high l ow high 0 1 l ow high 0 1 low high 0 1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Timing Diagram (Internal-Clock Mode switch to External-Clock Mode) 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Version:PRE.001 Preliminary Page 20 *3 *1 16-channel 16-bit PWM Constant Current LED Driver Fr ame Data Q ERR[ 0]*2 256 255 254 Q[1] R[0] R[1] R[2] Frame Data R Counter reset R [255] Don＇care t R [254 ] Don＇care t R[253 ] Mode switch period R[253 ] R[252 ] 1 S[255] 2 S[254] *4 *3 256 S[0] *5 S [255] 2 T[254] S [254] 65536 GCK 1 T[255] Frame Data S Don＇care t Grayscale data clock-in period LAT is level trigger, not edge trigger. Iout turn off when LAT is high level ,and turn on at the first GCK rising edge when LAT is low level. *5 R[255],R[254],… R[0],S[255].S[254],… S[0],T[255],T[254],… are serial data for DM632B. REM, ARM, IGM is configered by default. They can switch to FEM, OSM, EGM accordingly. All registers in DM632B with be reset when any switch procees occur. *2 ERR[0] is the error message of LED open detection. *1 (current ) OUTn*4 (internal) GCK (external) GCK LAT DAO DCK DAI Grayscale data clock-in period off on l ow high 0 1 l ow high 0 1 low high 0 1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Timing Diagram (External-Clock Mode switch to Internal-Clock Mode) 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Version:PRE.001 Preliminary Page 21 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Output Modulation Technique DM632B provides a new LED drive technique of output modulation. It mixes traditional Pulse Width Modulation (PWM) represented by LSB 12 bit with Sequential Split Modulation (SSM) represented by MSB 4 bit. The main benefits of SSM are to drive LED with an equivalent higher refresh rate (up to 380Hzn in DM632B when FGCK = 25MHz) and change bit to next bit smoothly. The relationships between PWM and SSM in time domain can be refer to the diagram (not to scale) below: Bit[11:0] (PWM) Bit[15:0] A complete modulation cycle MSB LSB 0000 XXXX,XXXXXXXX MSB LSB on off Bit[7:0] (PWM) Bit[11:8] (PWM) on 0001 XXXX,XXXXXXXX off Bit[11:8] (PWM) Bit[7:0] (PWM) on MSB LSB 0110 XXXX,XXXXXXXX off Bit[11:0] (PWM) Bit[7:0] (PWM) on MSB LSB 0111 XXXX,XXXXXXXX off Bit[7:0] (PWM) Bit[11:0] (PWM) on MSB LSB 1000 XXXX,XXXXXXXX off Bit [7:0] (PWM) Bit[11:0] (PWM) on MSB LSB 1001 XXXX,XXXXXXXX off Bit[7:0] (PWM) Bit[11:0] (PWM) on MSB LSB 1110 XXXX,XXXXXXXX off Bit[7:0] (PWM) Bit[11:0] (PWM) on MSB LSB 1111 XXXX,XXXXXXXX 65536 clocks off t Ultra High Resolution Current Outputs DM632B could provide 16-bit linear PWM control current outputs for each channel. There are two advantages for system design. One is DM632B has sufficient bit resolution (65536 steps), not only LED color information but additional data such as global brightness, dot correction, and gamma correction can be represented by the proper algorithms. The other is to reduce a lot of clock and data rate compared to conventional ON-OFF type LED drivers. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 22 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Global Brightness Control DM632B has no built-in global brightness control feature. In order to obtain a lower resolution of global brightness control effect, two methods could be utilized. Here show different ways to adjust the Rrext value or voltage drop across the external resistor. Please see the reference circuit below: Output to Output Delay DM632B has build-in output to output delay with a special arrangement. This arrangement help chip avoid noise cause by large current during channels switching. The arrangement details are shown as following table. Channel 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Delay units 0 1 2 3 0 1 2 3 0 1 16-channel 16-bit PWM Constant Current LED Driver 2 3 0 Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. 1 2 3 Preliminary Page 23 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Power Dissipation The power dissipation of a semiconductor chip is limited to its package and ambient temperature, in which the device requires the maximum output current calculated for given operating conditions. The maximum allowable power consumption can be calculated by the following equation: Pd(max)(Watt) = Tj(junction temperature)(max)(°C)– Ta(ambient temperature)(°C) Rth(junction-to-air thermal resistance)(°C/Watt) The relationship between power dissipation and operating temperature can be refer to the figure below: PD - Ta curve 4.5 Tj(max)=150°C Power Dissipation Pd(W) 4 TSSOP24E Rth(TSSOP24E=30°C/Watt 3.5 Rth(SOP24B)=57°C/Watt 3 2.5 2 1.5 SOP24B Rth(DIP24B)=67°C/Watt DIP24B Rth(SSOP24)=70°C/Watt SSOP24 1 0.5 0 0 20 40 60 80 100 120 140 160 Ambient Temperature Ta ( ℃ ) The power consumption of IC can be determined by the following equation and should be less than the maximum allowable power dissipation: 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 24 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Typical Application DM632B DM632B DM632B DM632B DM632B DM632B DM632B 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 25 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Package Outline Dimension DM632B-DIPB 13 1 12 A A2 E E1 24 E2 D L A1 SEATING PLANE e b1 b DIMENSIONS IN INCH SYMBOLS MIN. MAX. DIMENSIONS IN MM MIN. MAX. A - 0.210 - 5.334 A1 0.015 - 0.381 - A2 0.125 0.135 3.175 b 0.040 b1 D E 0.018 0.457 0.880 0.920 22.352 0.300BSC E1 0.245 E2 0.335 e 3.429 1.016 23.368 7.620BSC 0.255 6.223 0.375- 8.509 0.070 6.477 9.525 1.778 L 0.115 0.150 2.921 3.810 Θ 0° 15° 0° 15° 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 26 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Package Outline Dimension DM632B-SSOP 12 A C A2 1 SEATING PLANE b e L 0.004 L1 DIMENSIONS IN INCH MIN. MAX. MIN. MAX. A 0.053 0.069 1.346 1.753 A1 0.004 0.010 0.102 0.254 A2 - 0.059 - 1.499 b 0.008 0.012 0.203 0.305 C 0.007 0.010 0.178 0.254 D 0.337 0.344 8.560 8.738 E 0.228 0.244 5.791 6.198 E1 0.150 0.157 3.810 3.988 L L1 Θ 0.025 BSC. 0.016 0.050 0.041 BSC 0° 16-channel 16-bit PWM Constant Current LED Driver 8° DETAIL A DIMENSIONS IN MM SYMBOLS e A1 GAUGE PLANE A 13 E 24 E1 D 0.635 BSC 0.406 1.270 1.041 BSC 0° 8° Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 27 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Package Outline Dimension DM632B-SOPB DIMENSIONS IN INCH DIMENSIONS IN MM SYMBOLS MIN. MAX. MIN. MAX. A - 0.075 - 1.900 A1 0.002 0.008 0.050 0.200 A2 0.051 0.067 1.300 1.700 b 0.012 0.020 0.300 0.500 c 0.004 0.010 0.100 0.250 D 0.504 0.520 12.800 13.200 E 0.303 0.327 7.700 8.300 e 0.0394 BSC 1.000 BSC E1 0.228 0.244 5.800 6.200 L 0.010 0.026 0.250 0.650 θ 0° 10° 0° 10° 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 28 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B Package Outline Dimension DM632B-TSSOPE (exposed pad) D1 24 E2 E E1 13 12 1 e b 0.25mm S GAUGE PLANE SEATING PLANE A A2 D L L1 A1 0.05 DIMENSIONS IN INCH DIMENSIONS IN MM SYMBOLS MIN. MAX. MIN. MAX. A - 0.047 - 1.20 A1 0.000 0.006 0.00 0.15 A2 0.031 0.041 0.80 1.05 b 0.007 0.012 0.19 0.30 D 0.303 0.311 7.70 7.90 E1 0.169 0.177 4.30 4.50 E 0.252 BSC e 0.026 BSC 0.650 BSC L1 0.039 REF 1.000 REF. L 0.018 6.400 BSC 0.030 0.45 0.75 S 0.008 - 0.20 - Θ 0° 8° 0° 8° E2 0.0898 0.1122 2.280 2.850 D1 0.146 1.819 3.700 4.620 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 29 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路 9 號 7 樓之 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM632B The products listed herein are designed for ordinary electronic applications, such as electrical appliances, audio-visual equipment, communications devices and so on. Hence, it is advisable that the devices should not be used in medical instruments, surgical implants, aerospace machinery, nuclear power control systems, disaster/crime-prevention equipment and the like. Misusing those products may directly or indirectly endanger human life, or cause injury and property loss. Silicon Touch Technology, Inc. will not take any responsibilities regarding the misusage of the products mentioned above. Anyone who purchases any products described herein with the above-mentioned intention or with such misused applications should accept full responsibility and indemnify. Silicon Touch Technology, Inc. and its distributors and all their officers and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such intention and manipulation. 16-channel 16-bit PWM Constant Current LED Driver Version:PRE.001 未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. Preliminary Page 30