TOSHIBA TB62727FN TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB62727FN 16-bit constant current LED module with built-in dot-current correction for each output The TB62727FN is an LED-driver suitable for lighting single-color and full-color LED modules and panels. This device contains a built-in dot current-correction for each output as well as TSD (Thermal Shutdown Detection) and OOD (Output Open Detection). TB62727FN Features *Output current capability and the number of outputs : 60 mA x 16 outputs *Constant current range : Iout = 2 to 50 mA *Application output voltage : Vout (on)=< 4.0V P-SSOP30-300-0.65 *For anode common LED *Input signal voltage level : TTL Level (Shmitt Triggered Input) *Power supply voltage range : VDD=4.5 to 5.5V *Maximum output terminal : voltage VOUT(off)=17V *Data transfer clock : fCLK=20 MHz (cascade connection) *Operation temperature range : Topr = -40 to 85 degrees *Package : P-SSOP30-300-0.65 *Adjustment functions : ( Input 128 times clock and serial-data.) 6-bit dot current correction : This function corrects the current value of each output from 0% to 100% in 64 steps *Current accuracy (dot-current correction not used) Output voltage => 0.4V Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Current accuracy between bits +/- 4 % between ICs Output current +/- 15 % 2 to 5 mA +/- 12 % 5 to 50 mA Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN *Protection function circuits : 1: Thermal Shutdown Detection (TSD) This function monitors the rise in temperature of the junction. Junction temperatures over 140 degrees - - - Monitor TSD terminal = "L". 2: Output terminal open detection function This function detects output terminal open- - - Monitor ODD terminal = "L". The TSD terminal and OOD terminal are open collector type. Warnings Short-circuiting an output terminal to GND or to the power supply terminal may damage the device. Please take the proper precautions when wiring the output terminals, power supply terminal and GND terminals ( VSS, VSS2 ). Pin Assignment (TOP VIEW) Package Type : SSOP30-P-300-0.50 ( 0.50mm Pitch ) TSD DATA-SEL VSS S-IN CLOCK LATCH VSS2 OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 OOD SSYNC VDD R-EXT S-OUT OUT ENABLE VSS2 OUT15 OUT14 OUT13 OUT12 OUT11 OUT10 OUT9 OUT8 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Block diagram ( whole figure ) TSD TSD VSS SSYNC DATA-SEL Data1~Data128 CLK D L SO(Data128) 128 bit shift registers & latches Data127 Register-1: The set up of current correction and main current. S-IN S-OUT SO D L 16-bit shift registers & latches Data1~Data16 Register-2: The set up of output on/off. LATCH CIN matrix for output speed up CIN matrix for output speed up 6 bit DAC. 6 bit DAC. for current correction for current correction OUT ENABLE Delay 0 REXT Constant current output Delay 15 Constant current output OOD OOD VSS VSS2 OUT 0 OUT15 Action table 1 (OUT ENABLE) OUT ENABLE Action for outputs H Output off L Output on Action table 2 (SSYNC) SSYNC Action of S-OUT H Synchronizes for positive edge of CLOCK. L Inverted S-OUT Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN The connection of the delay to decrease switching noise : Delay 0 ~ Delay 15 OUT ENABLE The signal of output on/off data Out00 x1 Out01 Delay x15 Out15 Delay Delay The total current and each output waveform of TB62727 OUT-ENABLE Out 00 01 02 07 The total current of a TB62727. 15 Out 00 01 02 07 15 50% 50% The delay of total current when turn on. The delay of total current when turn off. The delay circuit is used on the output to decrease the level of noise. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Action table 3 for DATA-SEL DATA-SEL Action of DATA-SEL (CLK and LATCH signal select a register.) H Select input for output current correction data L Select input for output turns on/off data Action table 4 ( Output current correction data ) - - - Register - 1(REG1) Serial data for each output when DATA-SEL equal to H level. Data1~8 Data9~16 Data17~24 Data25~32 Data33~40 Data41~48 Data49~56 Data57~64 for OUT 0 for OUT 1 for OUT 2 for OUT 3 for OUT 4 for OUT 5 for OUT 6 for OUT 7 Data65~72 Data73~80 Data81~88 Data89~96 for OUT 8 for OUT 9 for OUT10 for OUT11 Data97~104 Data105~112 Data113~120 Data121~128 for OUT12 for OUT13 for OUT14 for OUT15 Setup of data of each output with 8-bit Data. - - - Example Data 1-8 for OUT00 Data 8 Data 7 Data 6 Data 5 Data 4 Data 3 Data 2 Data 1 Don't care Don't care x 32 x 16 x8 x4 x2 x1 Note 1 : When all data are L, each output current is almost 0. Action table 5 ( Output turns On & Off control ) - - - Register-2(REG2) Serial data for each output when DATA-SEL equal to L level Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 for Out 0 for Out 1 for Out 2 for Out 3 for Out 4 for Out 5 for Out 6 for Out 7 Data 9 Data 10 Data 11 Data 12 Data 13 Data 14 Data 15 Data 16 for Out14 for Out15 for Out 8 for Out 9 for Out10 for Out11 for Out12 for Out13 Note 2 : When data is H, each output is on. and when data is L, each output is off. Note 3 : The data must be H's to obtain output current. Action table 6 - - - Register-1(REG1) Main output current is set to the IC when DATA-SEL equal to H level. Output current The effect condition of standard of set value the speed-up Data 1~126 Data 127 Data 128 Don't care L L 2.5 mA (Initial) Low Don't care L H 5 mA Middle Don't care H L 15 mA High Don't care H H 25 mA More high Note 4 : This LED current set up only uses 2-bits on the MSB side of OUT15's data. The rise time (tr) of the current waveform decreases when the effect condition of the speed up is set high or greater. Note 5 : When data set up LED current to TB62727FN, the output waveform becomes stable. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Constant current adjustment range ( image ) GRAPH: Current adjustment based on 100% Iout [ mA ] This point is set current by REXT to Iout formula. 50 (A) 40 30 (B) 20 10 0 (C) 5 [mA] 2 [mA] 64 Steps 0[%](LSB) 100[%](MSB) to Set range of Dot Correction(6bit) Note 6 : * Dot correction function is the current adjustment function of each output. * The current value set by REXT resistance is set in the standard (Equal to Data=MSB and 100%). * The fineness of current value set is 1LSB; about equal to 1.58 %. * Wide set range (100-0%), with presumed brightness dispersion of LED +/- 20 %. * We recommend dot correction is set in the center of the range. And, do +/- 50% range of the re-correction after choosing current with REXT. * Line A shows the case that 50mA was applied to the standard current. * Line B shows the case that 25mA and Line C shows the case that 10mA. * Set range that it is recommended is current value inside the slant line area including the dot correction. * Dot correction accuracy is not good below 5mA. Action table 7 - - - Dot current correction rate of the Serial-data of Register-1. (typ.) Data LLLLLL LLLLLH Ratio of a LSB HHHHHL HHHHHH HLLLLL Ratio of correction 0% (Output off) 1.58% nearly equal to 1.58 % 98.42% 100% Initial position (when supply in) Note 7 : This value is typical values. The actual values contains the error of lower than +/- 1LSB. The initial values are about 50%. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Terminal function explanation table No. Terminal name I/O Intern al-R Function explanation 1 TSD O Extern This is TSD monitor terminal and open collector output. TSD circuit detects al unusual temperature when connected to pull-up resistance. 2 DATA-SEL I Pull- Serial data selection signal input terminal. Down See Action Table 3 and 4. 3 VSS P - Logic ground terminals. Please, must use all. 4 S-IN I - Serial data input terminal. Data is transfer by rising edge of CLK. 5 CLK I - Serial data transfer clock input terminal. 6 LATCH I 7, 24 VSS2 P - Ground terminals. 8~ 23 OUT0 to OUT15 O - LED drive output terminals. Connect cathode of LED. 25 OUT ENABLE I Pull -Up 26 S-OUT O - Serial data output terminal. Output data trigger are select with SSYNC signal. 27 REXT P - Connection terminal of the standard current set resistance. 28 VDD P - Logic power supply terminals. 29 SSYNC I Pull -Up 30 OOD O PullSerial data latch signal input terminal. Data is held by rising edge. Down Control signal input terminal of output OUT0 ~ OUT15. See Action Table 1. Serial data output polarity set terminal. See Action Table 2. Extern This is OOD monitor terminal and open collector output. OOD is output open al detected when connected to pull-up resistance. Note 8 (Terminal attribute) : P : Power supply/ground/others, I : Input terminal, O : Output terminal. Note 9 : We recommend the use of a pull up/down resistor on open terminal. There is a risk of faulty operation due to noise if the therminal is open. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] the dot current correction data Input for for Out15 for Out14 for Out2 the Output On/Off data Input for for Out13 for Out1 for Out0 Note 10 : The default data is changed when the brightness is changed. Note 11 : OE means OUT-ENABLE. DATA-SEL OE LATCH CLK S-IN default dot current correction data Step 5 - After that, replay to Step 2 and Step 4. Step 4 - After that, input to the PWM pulse from OE terminal. The repetition inputs for the output on/off data. Step 3 - Next, a DATA-SEL terminal is made Hi, and dot compensation data for each output are input from the S-IN terminal, and then data are held at the LATCH signal. The current value of the output is established with this, too. Step 2 - First, a DATA-SEL terminal is made Lo, and Hi is input with the CLK signal from the S-IN terminal, and then data are held at the LATCH signal.Output can be turned on with this by setting the OUT-ENABLE signal. Step 1 - Prepare the default dot-current-correction data. Operating outline to use Output On/Off control mainly for Uni-Color and Tri-Color. How to use the TB62727FN LED Driver TOSHIBA TB62727FN California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] DATA-SEL OE LATCH CLK S-IN for Out14 for Out13 for Out2 Input for the dot current correction data 16 times are input to each output, and CLK inputs 128 times in the total. for Out15 for Out1 for Out0 Note 12 : OE means OUT-ENABLE. Note 13 : The default data is changed when the brightness is changed. the Output On/Off data Input for Input CLK signal are 16 times. default output On data Output correction data Step 5 - After that, replay to Step 2 and Step 4. Step 4 - After that, input to the PWM pulse from OE terminal. The repetition inputs for the output current correction datas. Step 3 - Next, the DATA-SEL terminal is made Lo, and data for output on/off are input from the S-IN terminal, and then data are held at the LATCH signal. Output can be turned on with this at the OUT-ENABLE signal Lo. Step 2 - First, the DATA-SEL terminal is made Hi, and the dot compensation data of the default are input with the CLK signal from the S-IN terminal, and then data is held at the LATCH signal. All the output was set up in the current value which was the same with this. (The errors are between the bits.) . Step 1 - Prepare the default output On-data for outputs. Operating outline to use output current correction control mainly for full-color. How to use the TB62727FN LED Driver TOSHIBA TB62727FN California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Equivalent input and output schematics 1. Input terminal with the pull up resistor /OUT-ENABLE, SSYNC VDD 2. Input terminal with the pull down resistor /LATCH, DATA-SEL R(UP)=200k VDD 100 IN IN 100 GND GND 3. Input terminal CLK, S-IN R(DOWN)=200k 4. Output Terminal S-OUT VDD VDD 100 IN OUT 100 GND GND 5. Protection circuit monitor terminal TSD, OOD VSS Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 TSD, OOD 6. Constant current output terminal OUT 0 to 15 VSS2 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Absolute maximum ratings DC characteristic Symbol Rating Supply voltage VDD -0.3 to 6 Constant current output voltage VO -0.3 to 17 Output current IOUT + 60 Logic output voltage VOUT -0.3 to VDD VIN -0.3 to VDD+0.3 IVSS2 960 Logic input voltage VSS2 current in total Power dissipation Saturation heat resistance of package Pd Rth(j-a) 1.25 110 * Unit V mA/bit V mA All other Max Ratings are based on Max VSS2 current. If IVSS2 is less than IVSS2 Max, all other ratings may change W On PCB. No wind. 90 ** Rth(j-c) 40** max Operating temperature Topr -40 to 85 Storage temperature Tstg -55 to 150 Notes degree/ W On PCB. Wind upper 1.0m/sec. This is reference value. This is reference value. degree Note 14 : * Subtract 9.0 mW/degree from the maximum rating value about 1º if operation temperature exceeds 25º when on PCB with dimension: 50 x 50 x 1.6mm Cu40%. Note 15 : ** This is reference value. The actual value varies greatly depending on the mounting condition. We recommend measuring to obtain accurate results. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Recommended operating condition (VDD=4.5~5.5V, Topr = -40~85 degree, unless otherwise noted.) DC characteristic Symbol Condition & terminal Min Typ Max 4.5 5.0 5.5 2 VDD VDD+0.3 VSS-0.3 VSS 0.8 Supply voltage VDD High level input voltage VIH Low level input voltage VIL CLOCK, S-IN, LATCH /OUT-ENABLE, SSYNC, DATA-SEL High level output current IOH S-OUT -1 Low level output current IOL S-OUT, TSD, ODD +1 Constant current output IOUT OUT0 to OUT15 VO OUT0 to OUT15 off. +17 VOH TSD, ODD +5 Output voltage Operating temperature Topr AC characteristics Symbol Clock frequency Minimum pulse width Setup time Hold time Blank time fCLK +5 +50 -40 Condition & terminal Min Typ cascade connected, CLK twH1/twL1 /OUT-ENABLE 250 twH2/twL2 /LATCH 25 twH3/twL3 CLOCK 20** twH4/twL4 DATA-SEL Unit V mA mA/bit V +85 degree Max Unit 20 MHz 25 tsetup1 S-IN to CLOCK 20** tsetup2 CLOCK to /LATCH 20** thold1 S-IN to CLOCK 2 thold2 CLOCK to /LATCH 5 t blank DATA-SEL to CLOCK ns 20** Note 16 : ** The value is fixed by the ability of device tester. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Electrical characteristics 1 ( Typ:VDD=5V, Topr=25degree, Min/Max:VDD=4.5~5.5V, Topr=-40~85 degree ) Parameter Symbol Test condition & terminal Max Unit IOL=1mA, S-OUT 0.4 V IOL=+1.0mA, TSD,OOD 0.4 Ii All terminals without pull up/pull down resistor. +/-1 Idd(off) CLOCK="L", S-IN="L", OUT-ENABLE="L", Set condition *0a 1.3 3 CLOCK=20 MHz, S-IN=1/2 CLOCK Set condition *1a 5.5 9 High level output voltage VOH Low level output voltage VOL Input current Idd(on)1 Idd(on)2 Supply current Idd(on)3 Idd(on)4 IOH=-1mA, S-OUT Min Typ VDD-0.4 Topr=-40degree, Other condition is same above. CLOCK=20 MHz, S-IN=1/2 CLOCK Set condition *2a 13 6 Topr=-40degree, Other condition is same above. CLOCK=20 MHz, S-IN=1/2 CLOCK Set condition *3a Topr=-40degree, Other condition is same above. 10 15 9 Topr=-40degree, Other condition is same above. CLOCK=20 MHz, S-IN=1/2 CLOCK Set condition *4a uA mA 14 18 12 18 25 Electrical characteristics current set condition ( Topr=25 degree, VOUT=0.4V unless otherwise noted ) No. *0a *1a *2a *3a *4a *5a Set condition Output all off, VOUT=Open, REXT= Open OUT-ENABLE="L", All output on, VOUT=Open, REXT= 7.4k ohm OUT-ENABLE="L", All output on, VOUT=Open, REXT= 3.6k ohm OUT-ENABLE="L", All output on, VOUT=Open, REXT= 1.2k ohm OUT-ENABLE="L", All output on, VOUT=Open, REXT= 740 ohm Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Dot correction data It is equivalent to IOUT. "XXLLLLLL" IOUT=0 mA IOUT=2.55 +/-15% mA IOUT=5.1 +/-12% mA "XXHLLLLL" IOUT=15 +/-12% mA (This is initial value.) IOUT=24 +/-12% mA "XXLLLLLL" Web: www.marktechopto.com | Email: [email protected] IOUT=46 +/-12% mA California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Electrical characteristics 2 ( Typ:VDD=5V, Topr=25degree, Min/Max:VDD=4.5~5.5V, Topr=-40~85 degree ) Parameter Symbol Test condition Min Constant Current Output (within current Accuracy between bits) Constant current output depends on temperature Leakage current of the constant current output Typ Max IO1 Set condition *1b 2.17 2.55 2.93 IO2 Set condition *2b 4.49 5.1 5.71 IO3 Set condition *3b 13.2 15 16.8 IO4 Set condition *4b 21.12 24 26.88 IO5 Set condition *5b 40.48 46 51.52 Set condition *4b. VOUT=1V, Topr is changed from -40~85 degree. +-50 +-80 mA/ degree Set condition *0b, VOUT=17V 0.05 0.1 mA/bit %TOPR IOLK dIOUT1 Set condition *2b +/-1.5 +/-4 dIOUT2 Set condition *3b +/-1.5 +/-4 dIOUT3 Set condition *4b +/-1.5 +/-4 Constant current output depends on output voltage %VOUT VDD=5.0V, Set condition *4b, VOUT is changed from 0.7~3V. +/-5 +/-8 Constant current output depends on supply voltage %VDD Set condition *4b, VDD is changed from 4.5~5.5V +/-1 +/-2 thermal shutdown detection temperature Tsd Output open detection voltage Vood Pull up/down resistor Rup / Rdw Constant Current Accuracy between bits mA/bit % 140 degree 0.04 VDD OOD 100k Electrical characteristics current set condition ( Topr=25 degree, VOUT=0.4V unless otherwise noted ) No. Set condition *0b Output all off, VOUT=Open, REXT= Open *1b OUT-ENABLE="L", All output on, REXT= 7.4k ohm *2b OUT-ENABLE="L", All output on, REXT= 3.6k ohm *3b OUT-ENABLE="L", All output on, REXT= 1.2k ohm *4b OUT-ENABLE="L", All output on, REXT= 740 ohm *5a Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Unit 200k V 400k ohm Dot correction data Set for output current (typ) "XXLLLLLL" IOUT=0 mA IOUT=2.55 +/-15% mA "XXHLLLLL" IOUT=5.1 +/-12% mA (This is initial IOUT=15 +/-12% mA value.) IOUT=24 +/-12% mA "XXLLLLLL" IOUT=46 +/-12% mA Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Switching characteristics (Typ : VDD=5V, Topr=25degree, CL=50pF, Min/Max : VDD=4.5 to 5.5V, Topr=-40 to 85degree, CL=50pF Refer to TEST CIRCUIT ) Characteristics Symbol Test condition Min Typ Max Rise time tr OUT 0 to OUT15 - 25 *75 Fall time tf OUT 0 to OUT15 - 20 *60 Propagation delay tpHL1 /OUT-ENABLE -> OUT 0 *20 40 *100 tpHL2 /LATCH -> OUT0, /OUT-ENABLE=”L” *20 40 *100 tpHL TRD, OOD with pull up resistor, R(up)=10k ohm tpLH1 /OUT-ENABLE -> OUT 0 *20 40 *100 tpLH2 /LATCH -> OUT0, /OUT-ENABLE=”L” *20 40 *100 tpLH TRD, OOD with pull up resistor, R(up)=10k ohm t pd CLOCK -> S-OUT, See figure 1 180 SSYNC = "L" 7 12 18 SSYNC = "H" 2 7 13 tDLY(off)2 Note 17 : *15 tDLY(off)1 tDLY(on)2 ns 370 tDLY(on)1 Output skew by delay circuit Unit OUT0~OUT15 * **100 **225 **500 This value may change depending on external circuitry. ** The delay test is used to determine the difference in time of OUT0-OUT15. * This is a guarantee value based on the circuits design. Figure 1 : CLOCK to S-OUT Function 50 ns (fCLK=20MHz) CLOCK S-OUT (SSYNC="H") tpd tpd tpd S-OUT (SSYNC="L") tpd Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 tpd tpd Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN TEST CIRCUIT IDD VDD = 4.5 ~ 5.5 V Iout VDD RL = 100 ohm /OUT ENABLE CLOCK /LATCH S-IN DATA-SEL SSYNC OUT 15 RL = 100 ohm Vce Function Generator Logic input waveform VIH VIL OOD TSD 90% tr tf R-EXT 10% VDD = VIH = 5 V VIL = 0 V, tr = tf = 10 ns (10% ~ 90 %) Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Iref VL = 3.5 V OUT 0 VSS RL = 10k ohm S-OUT CL Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Operating explanation and truth value table Action table 8 - - - The transfer of the dot correction data : Step S-IN 1 CLK LATCH Positive edge L H or L 2 L Operating and function Input positive edge of CLK 128 times and transfer data to all the shift registers. Positive edge Input positive edge of LATCH once and make register hold data. Figure 2-1 : Serial data transfer timing ( for example of 1 device.) x : Don't care S-IN xx xx Clock input of 128 times and data input, after that, hold data by 1 positive edge of LATCH of 1 driver. CLK LATCH correction correction data for OUT15 data for OUT0 S-OUT SO DATA synchronizes in 128th clock, Show logic unfixed condition before the input after resetting. and 1'st data is out. Figure 2-2 : Serial data transfer timing ( for example of cascade connect.) Clock input of 256 times and data input, after that, hold data by 1 positive edge of LATCH of 2 driver. x : Don't care of output current correction. S-IN xx xx xx xx CLK LATCH dot correction data for OUT15 dot correction dot correction data for OUT0 data for OUT15 dot correction data for OUT0 S-OUT SO DATA synchronizes in 128th clock, and 2'nd data is out. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Operating explanation and truth value table Action table 9 - - - Thermal detection function (It can be monitored with the TSD terminal.) Perform temperature detection as described below. Junction Temp [degree] TSD -40 to 140 off OUT0 to OUT15 When temperature decreases, TSD is canceled automatically. Normal operation over 140 Function on When chip temperature reaches the following range, the TSD terminal is on. Output is not turned off. Action table 10 - - - Output open detection function (It can be monitored with the OOD terminal.). Perform open output detection as described below. Output Voltage [V] OOD >=VDD X 0.04 Off =<VDD X 0.04 On Function Output opening is detected by the following voltage, the OOD terminal is on. Figure 2 : The block diagram of the protection circuit 2 Pull up is recommended. IC Chip TSD (Open collector Type) TSD OOD (Open collector Type) OOD Constant Current Outputs Connecting a lowpass filter is recommended to weaken sensitivity. Error detection only works with OOD and the TSD circuit. 16 OUT0 to OUT15 Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] 18 California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Logic input and output timing wave form (1) 1. CLOCK vs S-IN twH3 twL3 50% 50% 50% CLOCK 50% 50% S-IN t hold t setup 50% S-OUT 50% tpd tpd 2. DATA-SEL vs CLOCK , CLOCK vs /LATCH 50% 50% 50% DATA-SEL twH4 tblank tblank 50% CLOCK thold2 twL4 50% tsetup2 50% 50% /LATCH twH2 Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Logic input and output timing wave form (2) 3. /OUT-ENABLE vs OUT0 twH1 50% 50% twL1 50% OUT-ENABLE tpHL1 tpLH1 tf tr On 50% 90% 50% OUT 0 Delay is added to other output. 90% 10% 10% Off 4. /LATCH vs OUT0 /OUT ENABLE /LATCH 50% 50% tpLH 2 tpHL2 On 50% 50% OUT 0 Delay is added to other output. Off Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] 20 California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN DUTY - IOUT On PCB 16bit activate, Vce=0.7V, Topr=25degree DUTY - IOUT On PCB 16bit activate, Vce=1.5V, Topr=25degree 60 Constant Current Output [mA] Constant Current Output [mA] 60 50 40 30 20 10 Case1 Case2 Case3 50 40 30 20 10 Case1 0 20 40 60 80 0 100 Case3 40 60 80 100 REXT - IOUT VCE=0.4V, Topr=25degree When current correction is 32 of 63step. Ta - Pd 1.6 1.5 1.4 1.3 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 20 Duty Cycle [%] Duty Cycle [%] 50 40 IOUT(mA) Power dissipation PD (W/IC) Case2 0 0 30 Topr=25degree 20 10 Case3 0 25 Case2 Case1 50 75 Ambient Temperature [degree] NOTE :This is reference value. Case1: Velocity of the wind is 0m/s. Case2: Velocity of the wind is 1m/s. Case3: Velocity of the wind is 2m/s. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 0 100 1000 10000 REXT(Ohms) IOUT (mA) = 1000 * 0.46 * Dot correction rate * (1.15 / REXT ) Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN APPENDIX - (A) : Decrease in Power Dissipation of the LED Driver. This driver operates with VCE >= 0.4V. If there is a change in VF of the LED, VCE may increase, thus increasing the Junction Temp. of the driver. When using full color LEDs, we recommend connecting a diode on a common line of red LEDs. LED Supply 1/16 column C1 PWM Pulse Exp. 1S1830: { IF(AV) = 1.0A, VF = 1.2V } OUT0 Output enable signal OUT15 OUTENABLE TB62727FN V Ideally, Vce=0.4V~1.5V VSS2 Emitting color of LED Red Blue Green Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 VF of LED 1.8 to 2.2V LED Supply 3.3V / 5V 3.5 to 4V 5V VDS of FET 1S1830 1.2V VCE of IC 1.1~1.5V - 0.5~1V About 0.5V Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN APPENDIX – (B) : High Speed Switching of the LED Outputs We recommend inputting the PWM pulse to PMOS of the column at OUT-ENABLE terminal. Because, the PMOS is possible High-speed operating. When C1 is connected, rise time of the output wave form can be also be controlled. LED Supply 1/16 column C1 PWM Pulse OUT0 Output enable signal OUTENABLE OUT15 TB62727FN When C1 is large. When C1 is small. PWM Pulse LED-ON LED -ON VSS2 LED-ON LED-OFF OFF Outout Enable Signal ON ** The input of the data and other control signals are omitted. Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN Unit : mm Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314 TOSHIBA TB62727FN The information contained herein is subject to change without notice. The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patens or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within spacified operating ranges as set forth in the most recent products spacifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. The products described in the document may include products subject to foreign exchange and foreign trade control laws. (C) 2000-2002 TOSHIBA CORPORATION ALL RIGHT Reserved Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: [email protected] California Sales Office: 950 South Coast Drive, Suite 265 Costa Mesa, California 92626 Toll Free: 800.984.5337 Fax: 714.850.9314