Technical Workbook for AIC Rev.03 L.4 Division September, 2013 Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Legal Disclaimer Information in this presentation is provided in connection with Seoul Semiconductor products and/or business operation. While Seoul Semiconductor has made every attempt to ensure that the information contained in this presentation has been obtained from reliable sources, Seoul Semiconductor is not responsible for any errors or omissions, or for the results obtained from the use of this information. All information in this presentation is provided "as is" with no guarantee of completeness, accuracy, timeliness or of the results obtained from the use of this information, and without warranty of any kind, express or implied, including, but not limited to warranties of merchantability, performance, and fitness for a particular purpose, or any warranty otherwise arising out of any proposal, specification, or sample. 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Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2 IC Introduction Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich IC Comparison ■ Acrich2 Driver IC Acrich2, 1st : Fully integrated IC Acrich2, 2nd : Improved EMI and Thermal characteristics of IC Package Table. 1 Specification Comparisons Item Acrich2 (1st Generation) Acrich2 (2nd Generation/Acrich2+) Power Factor > 0.97 > 0.97 THD < 25% < 15% Power Adjust 4W & 8W (None - Power by IC Type) 1W ~ 16W 120Vrms 2Step, 40~50V (Per step) 220Vrms 4Step, 40~65V (Per step) 4Setp, 20 – 65V (Per step) (Free voltage IC) AC – Triac/Phase Cut Performance based on Dimmer Improved but still based on Dimmer 0 to 10V Analog Dimming No Optional Tj Min. 140℃ ~ Max. 150℃ (@θJC 120℃) Tj Min. 140℃ ~ Max. 150℃ (@θJC 135℃) Switching Step Dimming Over Temperature Protection 4W LGA. 6mmX6mm (Embedded Bridge Diode with TVS) Package Type 1~16W/Max.17W QFN. 6mmX6mm (External Bridge Diode) 8W LGA. 8mmX8mm (Embedded Bridge Diode with TVS) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich IC Comparison ■ Acrich2 Driver IC Table. 2 Typical Application Acrich2 (1st Gen.) Block Diagram 220V 8W Block Diagram 220V 4W Block Diagram 120V 8W Acrich2 (2nd Gen.) Block Diagram Circuit 120V 4W Wider range voltage and Power Block Diagram 1W ~ 16W (Input AC Voltage is limited by total VF) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich IC Comparison ■ Acrich2 Driver IC Table.2 Functional Block Diagram Acrich2 (1st Gen.) Bleeder D1 D2 D3 D4 5 11 10 9 8 0 Stage Current Source Acrich2 (2nd Gen.) VP(+) 4 NC 3 VN(-) 2 Bandgap& Bias Over Temperature Protection Copyright ⓒ Seoul Semiconductor Co., Ltd. 1~4 Stage Current Source Internal Bias Analog Dimming Control LED Current Setting 12 1 ADIM Rset 7 NC 6 NC www.seoulsemicon.com Understanding Acrich2 IC Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Main feature of Acrich 2 Our approach is to simplify LED lamp design Reduce lamp weight Low circuit cost Life time (Acrich2 Solution : 50,000hr Vs. DC LED Lamp : 15,000hr) Flicker improvement Dimming support Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Basic mechanism of Acrich Module How Acrich IC works in Acrich2 CurrentLimited Steps Increase Efficacy Current follows voltage wave form which improved THD And PF AC voltage Input Copyright ⓒ Seoul Semiconductor Co., Ltd. Acrich IC Controller-Type Light Output www.seoulsemicon.com Basic mechanism of Acrich Module Functional Description of Acrich 2 (Ex. 220V 8W application) AC Input Current Wave ( = Acrich’s Driving Current ) Circuit Diagram of Acrich 2 AC line voltage 220Vac Acrich Group 1 Acrich Group 5 Group 2 Group 6 Acrich IC Region 0 1 2 3 4 180 360 5 6 7 Phase AC input current Group 3 Group 7 Group 4 Group 8 Description of the Acrich’s Operation Operation of the Acrich group 1~4 same as a group 5~8 Operation table of each Acrich group ( phase 0 ~ 180°) Region 1 2 3 4 5 6 7 Group 1 ON ON ON ON ON ON ON Group 2 OFF ON ON ON ON ON OFF Group 3 OFF OFF ON ON ON OFF OFF Group 4 OFF OFF OFF ON OFF OFF OFF Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Module Configuration D1 Acrich D2 Acrich D3 Acrich D4 Acrich D5 Acrich D6 Acrich ■ Acrich2+ 120Vrms/08W ADIM RIN ADIM 1 1 RIN (+) CL (+) CL Input Voltage : 120Vrms Condition RL RL 8W (LED Q’ty) (-) 2 3 3 Rset Rset 2 D3 D3 Acrich 2+ VN(-) Acrich 2+ D4 VN(-) N.C N.C 4 4 (-) No. of LED 2 10 3 1 11 1 1 D2 D2 Stage3 VN VN D1 D1 4 D5 Acrich D4 N.C N.C N.C 2 Bleeder Bleeder Stage2 11 6 6 4 12 12 2 U15 U1 ADIM ADIM Stage1 1 D2 N.C 99 8 8 7 7 D9 Acrich D9 Acrich D11 Acrich D13 Acrich D13 Acrich 21ea D17 Acrich VP VP (+) (+) 1 1 D3 Acrich D4 Acrich D7 Acrich D8 Acrich D11 Acrich D12 Acrich D15 Acrich D16 Acrich Stage1 VP(+) VP(+) Parallel 5 5 Series RSET RSET Array Circuit Stage4 D1 D7 Acrich D8 Acrich Acrich Acrich D15 Acrich D20 Acrich D17 Acrich D6 Acrich D10 Acrich D10 Acrich D12 Acrich D14 Acrich Stage2 D14 Acrich D18 Acrich D19 Acrich Stage3 D16 Acrich D21 Acrich Stage4 D18 Acrich D19 Acrich D20 Acrich D21 Acrich Note. U1 : Acrich2.5+ IC, (DT3001X) LED1 ~ LED21 : Acrich MJT 5630 PKG (SAW8KG0B) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Module Configuration ■ Acrich2+ 120Vrms/12W ADIM ADIM 11 RIN RIN (+) (+) CL CL Input Voltage : 120Vrms RL RL 5 Stage3 1 5 Stage4 No. of LED 1 (-)(-) 3 3 5 10 10 D2 11 11 D1 D2 99 D3 D3 Acrich2+ 2+ 8 Acrich VN(-) D4 8 VN(-) D4 7 7 N.C N.C N.C N.C Rset Rset Bleeder 2 2 2 44 Stage2 11 6 N.C N.C 1 VN VN 6 5 D1 2 ADIM ADIM Stage1 U1 U15 Bleeder Parallel VP(+) VP(+) Series 55 Array Circuit 12 12 12W (LED Q’ty) RSET Condition D1 Acrich D2 Acrich D3 Acrich D4 Acrich D5 Acrich D6 Acrich D1 Acrich D7 Acrich D2 Acrich D8 Acrich D3 Acrich D4 Acrich D5 Acrich D6 Acrich D9 Acrich D7 Acrich D10 Acrich D8 Acrich D9 Acrich D10 Acrich D11 Acrich D11 Acrich D12 Acrich D12 Acrich D13 Acrich D14 Acrich D15 Acrich D16 Acrich D13 D17 Acrich D14 D18 Acrich D19 Acrich D20 Acrich Acrich Acrich D21 Acrich D15 Acrich D22 Acrich D16 Acrich D23 Acrich D24 Acrich D25 Acrich Stage3 D26 Acrich D17 Acrich D27 Acrich D18 Acrich D28 Acrich D29 Acrich D30 Acrich Stage4 Stage1 Stage2 30ea VP VP 1 1 (+) (+) D19 Acrich D20 Acrich D21 Acrich Note. U1 : Acrich2.5+ IC, (DT3001X) LED1 ~ LED30 : Acrich MJT 5630 PKG (SAW8KG0B) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Module Configuration D1 Acrich D2 Acrich D3 Acrich D4 Acrich D5 Acrich D6 Acrich ■ Acrich2+ 120Vrms/16W ADIM RIN ADIM 1 1 RIN (+) CL (+) CL Input Voltage : 120Vrms RL RL 16W (LED Q’ty) VN VN 11 (-) 3 (-) No. of LED 3 7 1 Rset Rset 7 10 10 D2 D2 D3 D3 Acrich Acrich 2+ 2+ VN(-) VN(-) N.C N.C 4 4 Stage4 1 22 D8 Acrich D4 D4 N.C N.C N.C 7 11 11 2 D1 D1 Stage2 11 Bleeder Bleeder 7 6 6 2 U1 U15 12 12 Stage1 D2 D3 Acrich D4 Acrich D5 Acrich D6 Acrich D7 Acrich D9 Acrich D10 Acrich D11 Acrich D12 Acrich D13 Acrich D14 Acrich D16 Acrich D17 Acrich D18 Acrich D19 Acrich D20 Acrich D21 Acrich D24 Acrich D25 Acrich D26 Acrich D27 Acrich D28 Acrich D31 Acrich D32 Acrich D33 Acrich D34 Acrich D35 Acrich D38 Acrich D39 Acrich D40 Acrich D41 Acrich D42 Acrich Stage1 ADIM ADIM Parallel VP(+) VP(+) Series 5 5 Array Circuit Stage3 D1 D7 Acrich D8 Acrich Acrich Acrich RSET RSET Condition N.C 99 88 7 7 D9 Acrich D15 Acrich D11 Acrich D22 Acrich D13 Acrich 42ea D29 Acrich VP VP (+) (+) 1 1 D15 Acrich D36 Acrich D17 Acrich D10 Acrich D12 Acrich D23 Acrich Stage2 D14 Acrich D30 Acrich Stage3 D16 Acrich D37 Acrich Stage4 D18 Acrich D19 Acrich D20 Acrich D21 Acrich Note. U1 : Acrich2.5+ IC, (DT3001X) LED1 ~ LED42 : Acrich MJT 5630 PKG (SAW8KG0B) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Module Configuration ■ Acrich2+ 220Vrms/08W Input Voltage : 220Vrms Condition ADIM D2 Acrich D3 Acrich D4 Acrich D5 Acrich D6 Acrich D7 Acrich D8 Acrich D9 Acrich D10 Acrich D11 Acrich D12 Acrich D13 Acrich D14 Acrich D15 Acrich D16 Acrich D17 Acrich D18 Acrich Stage1 RIN 1 (+) 8W (LED Q’ty) D1 Acrich CL 1 Stage4 No. of LED 3 2 3 1 VN 1 (-) 2 3 21ea Rset VN(-) N.C VP 1 10 D2 D3 Acrich 2+ 4 Stage3 D4 N.C N.C U1 11 2 9 Stage2 8 7 6 3 12 Stage2 D1 2 ADIM 3 Bleeder Stage1 VP(+) Parallel 5 Series RSET RL Array Circuit (+) Stage3 D19 Acrich D20 Acrich Stage4 D21 Acrich Note. U1 : Acrich2.5+ IC, (DT3001X) LED1 ~ LED21 : Acrich MJT 5630 PKG (SAW8KG0B) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Module Configuration ■ Acrich2+ 220Vrms/12W Input Voltage : 220Vrms Condition ADIM D2 Acrich D3 Acrich D4 Acrich D5 Acrich D6 Acrich D7 Acrich D8 Acrich D9 Acrich D10 Acrich D11 Acrich D12 Acrich D13 Acrich D14 Acrich D15 Acrich D16 Acrich D17 Acrich D18 Acrich D19 Acrich D20 Acrich D21 Acrich D22 Acrich D23 Acrich D24 Acrich D25 Acrich D26 Acrich D27 Acrich D28 Acrich D29 Acrich D30 Acrich Stage1 RIN 1 (+) 8W (LED Q’ty) D1 Acrich CL 1 Stage4 No. of LED 3 3 2 VN 2 (-) 1 2 3 30ea Rset VN(-) N.C VP 1 10 D2 D3 Acrich 2+ 4 Stage3 D4 N.C N.C U1 11 3 D1 3 Bleeder Stage2 9 Stage2 8 7 6 3 12 3 ADIM Stage1 VP(+) Parallel 5 Series RSET RL Array Circuit Stage3 (+) Stage4 Note. U1 : Acrich2.5+ IC, (DT3001X) LED1 ~ LED30 : Acrich MJT 5630 PKG (SAW8KG0B) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Module Configuration ■ Acrich2+ 220Vrms/16W Input Voltage : 220Vrms Condition ADIM D2 Acrich D3 Acrich D4 Acrich D5 Acrich D6 Acrich D7 Acrich D8 Acrich D9 Acrich D10 Acrich D11 Acrich D12 Acrich D13 Acrich D14 Acrich D15 Acrich D16 Acrich D17 Acrich D18 Acrich D19 Acrich D20 Acrich D21 Acrich D22 Acrich D23 Acrich D24 Acrich D25 Acrich D26 Acrich D27 Acrich D28 Acrich D29 Acrich D30 Acrich D31 Acrich D32 Acrich D33 Acrich D34 Acrich D35 Acrich D36 Acrich D37 Acrich D38 Acrich D39 Acrich D40 Acrich D41 Acrich D42 Acrich Stage1 RIN 1 (+) 8W (LED Q’ty) D1 Acrich CL 1 Stage4 No. of LED 3 3 3 VN 3 (-) 1 2 3 42ea Rset VN(-) N.C VP 1 10 D2 D3 Acrich 2+ 4 Stage3 D4 N.C N.C U1 11 4 D1 3 Bleeder Stage2 9 Stage2 8 7 6 4 12 3 ADIM Stage1 VP(+) Parallel 5 Series RSET RL Array Circuit Stage3 (+) Stage4 Note. U1 : Acrich2.5+ IC, (DT3001X) LED1 ~ LED42 : Acrich MJT 5630 PKG (SAW8KG0B) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2, Surge Protection Circuit ■ Feature -. Operating Voltage : 120V ~ 230Vac/Single Phase 2Wire -. Rated Power : 4 ~ 12W -. Max. Surge Voltage (1.2/50us) : 1.2kV F1 RS1 1 1 L AC1 MOV1 Schematic 1 N PCB Layout C1 1 AC2 1. PCB Spec. - FR4, 1Layer, 1Oz - 26.5(L)x17(W)x1.6(t) [Unit : mm] ※ Part list of material : Please contact your nearest distributor or one of our Seoul semiconductor sales offices. Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2, Surge Protection Circuit 2 2 ■ Feature RF1 -. Operating Voltage : 120V ~ 230Vac/Single Phase 2Wire RF2 F1 1 RF1 -. Rated Power : 4 ~ 16W 1 RF2 VP(+) F1 1 (1.2/50us) : 1.2kV L-. Max. Surge Voltage DB1 1 3 + MOV1 4 TVS1 C1 + 3 F1 F1 N 1 L MOV1 1 - 4 1 TVS1 RF1 1 1 LC1 3 Schematic N VP(+)RF2 + VN(-) MOV1 - 4 TVS1 C1 1 1 1 N PCB Layout VP(+) DB1 1 + 3 N 1 DB1 2 1 RF1 RF2 2 1 VP(+) DB1 VN(-) - 4 TVS1 1 VN(-) 1 LC1 1 MOV1 1 VN(-) 1. PCB Spec. - FR4, 1Layer, 1Oz - 27(L)x18.5(W)x1.6(t) [Unit : mm] ※ Part list of material : Please contact your nearest distributor or one of our Seoul semiconductor sales offices. Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Performance ■ Test Conditions & Test Results Acrich2 SPC (Surge Protection Circuit) is generally uses electrical fuse, MOV (Metal Oxide Varistor) and TVS. The circuit configuration and component values should be selected suitably according to target protection specification. Combination Wave IEC 6100-4-5 Line to Line Rise time Duration Open circuit Voltage 1.2us 50us Short Circuit Current 8us 20us Surge Voltage ±0.5kV x 5Pulses (@ Phase Angle) Phase Angle 0˚, 90˚, 180˚, 270˚ Table1. Test Conditions Figure 1. Combination wave, Open Surge Voltage (IEC 61000-4-5) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Specification of Acrich2+ (DT3001X) ■ Features & Typical Application Circuit R IN ADIM Low Total Harmonic Distortion <20% 1 Over Temperature Protection 10 D2 CL 11 RL Rated Power : 4W/8W/12W/16W LEDStage 1 D1 VIN High Power Factor > 0.95 12 ■ Features RSET VN(-) Acrich2+ 8 7 4 NC NC LED Stage 4 6 NC RBLD VAC 2 Thermally Enhanced 12 QFN (6 x 6 mm) LEDStage 3 D4 3 5 Analog Dimming Function (ADIM) 2 D3 VP(+) Adjustable LED Driving Current with External Resistors LEDStage 2 9 RSET R BLD GND VAC1 Figure. 1 Typical Application Circuit Table. 1 Package Thermal Characteristics Parameter Symbol Value Unit Junction to ambient thermal resistance θJA 34.65 °C/W Junction to case thermal resistance θJC 11.25 °C/W Junction to Board θJB 25.67 °C/W *Test conditions - θJA : The package thermal impedance is calculated in accordance with JESD 51-7 - θJC : The package thermal impedance is calculated in accordance with JESD 51-14 - θJB : The package thermal impedance is calculated in accordance with JESD 51-8 Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Specification of Acrich2+ (DT3001X) ■ Pinning Information Table 2. Pin Descriptions Pin Figure. 2 Package – Top View Symbol Descriptions 1 Rset Resistor Connection for Driver Current Setting 2 VN(-) Voltage input (-) 3 N.C No Connection 4 VP(+) Voltage input (+) 5 RBLD Bleeder Resistor Connection 6 N.C No Connection 7 N.C No Connection 8 D4 Driver output-4 9 D3 Driver output-3 10 D2 Driver output-2 11 D1 Driver output-1 12 DIM ADIM, Analog Dimming Pin (Posistive) Note : Exposed pad on bottom surface is thermal pad. Therefore, It must be not connected to any electrical node. (Electrically Isolated) Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Specification of Acrich2+ (DT3001X) ■ Block Diagram & Absolute Maximum Ratings Bleeder D1 D2 D3 D4 5 11 10 9 8 0 Stage Current Source VP(+) 4 NC 3 VN(-) 2 Bandgap& Bias Over Temperature Protection 1~4 Stage Current Source Internal Bias Analog Dimming Control LED Current Setting 12 1 ADIM Rset 7 NC 6 NC Figure. 3 Block Diagram Table. 3 Absolute Maximum Ratings Parameter Symbol Value Unit VP(+) to VN(-), D1~D4, Bleeder to VN(-) VHV -0.3 ~ +450 V Dim to VN(-), Rset to VN(-) VLV -0.3 ~ +6.5 V Operating Ambient Temperature TA -30~+100 °C Storage Temperature TSTG -40 ~ +120 °C Board Temperature TB 125 °C Maximum Junction Temperature TJ -55~+150 °C ESD (HBM) VHBMV 1.5 kV Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Specification of Acrich2+ (DT3001X) ■ Electrical Characteristics Table 1. Driving Current (4 channels / stages) Driver Stage Current @120V/8W (Typ.) (1)Peak Driver Stage Current @220V/8W (Typ.) (2)Max. Driver Output Operating Conditions ID1 1st Stage @120V,8W ID2 2nd Stage @120V,8W 64.2 ID3 3rd Stage @120V,8W ID4 4th Stage @120V,8W Peak Current @ Transient [mA] (2)Max. Operating Conditions ID1 1st Stage @220V,8W 21.0 300 430 ID2 2nd Stage @220V,8W 35.0 430 82.5 550 ID3 3rd Stage @220V,8W 45.0 550 91.7 650 ID4 4th Stage @220V,8W 50.0 650 Current [mA] 38.5 300 Driver Stage Current @120V/12W (Typ.) (1)Peak Current [mA] Driver Output Operating Conditions ID1 1st Stage @120V,12W 57.8 ID2 2nd Stage @120V,12W ID3 3rd Stage @120V,12W ID4 4th Stage @120V,12W (1)Peak Driver Output Peak Current @ Transient [mA] Current [mA] Driver Stage Current @220V/12W (Typ.) (2)Max. Peak Current @ Transient [mA] (1)Peak Current [mA] (2)Max. Driver Output Operating Conditions 300 ID1 1st Stage @220V,12W 31.5 300 96.3 430 ID2 2nd Stage @220V,12W 52.5 430 123.8 550 ID3 3rd Stage @220V,12W 67.5 550 ID4 4th 75.0 650 137.6 650 Driver Stage Current @120V/16W (Typ.) (1)Peak Current [mA] Driver Output Operating Conditions ID1 1st Stage @120V,16W 77.0 ID2 2nd Stage @120V,16W ID3 ID4 Stage @220V,12W Peak Current @ Transient [mA] Driver Stage Current @220V/16W (Typ.) (2)Max. Peak Current @ Transient [mA] (1)Peak Current [mA] (2)Max. Driver Output Operating Conditions Peak Current @ Transient [mA] 300 ID1 1st Stage @220V,16W 42.0 300 128.4 430 ID2 2nd Stage @220V,16W 70.0 430 3rd Stage @120V,16W 165.0 550 ID3 3rd Stage @220V,16W 90.0 550 4th Stage @120V,16W 183.4 650 ID4 4th Stage @220V,16W 100.0 650 Note : (1) Driver stage current is based on the circuit of Seoul Semiconductor's LED array. (2) The Maximum peak current value for the transient mode(@ within100us). Therefore, Under normal operating mode is not guaranteed. Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Specification of Acrich2+ (DT3001X) ■ Recommended RSET Values Table. 5 Recommended Rset Values, DT3001A IC Version A-version (DT3001A) Voltage[V] Current [mA] Power [W] Rset [KΩ] Current [mA] Power [W] Rset[KΩ] 73.10 16 1.64 134.11 16 3.86 68.62 15 1.52 125.91 15 3.50 64.05 14 1.40 117.52 14 3.15 59.51 13 1.29 109.16 13 2.83 55.00 12 1.18 100.71 12 2.53 50.35 11 1.07 92.27 11 2.25 45.79 10 0.97 83.96 10 2.00 41.22 9 0.87 75.52 9 1.75 36.58 8 0.77 67.05 8 1.52 32.00 7 0.67 58.85 7 1.31 27.46 6 0.53 50.40 6 1.10 22.97 5 0.48 42.05 5 0.91 18.35 4 0.39 33.49 4 0.72 Current [mA] Power [W] Rset[KΩ] 220 Voltage [V] 120 Table. 6 Recommended Rset Values, DT3001B IC version B-Version (DT3001B) Voltage[V] Current [mA] Power [W] Rset [KΩ] 73.24 16 1.65 134.27 16 3.96 68.66 15 1.45 125.88 15 3.58 64.08 14 1.35 117.49 14 3.20 59.51 13 1.29 109.10 13 2.87 54.93 12 1.14 100.70 12 2.56 50.35 11 1.07 92.31 11 2.27 45.77 10 0.94 83.92 10 2.00 41.20 9 0.83 75.53 9 1.75 36.62 8 0.74 67.14 8 1.52 32.04 7 0.65 58.74 7 1.29 27.46 6 0.57 50.35 6 1.09 22.89 5 0.48 41.96 5 0.90 18.31 4 0.39 33.57 4 0.72 220 Copyright ⓒ Seoul Semiconductor Co., Ltd. Voltage [V] 120 www.seoulsemicon.com Specification of Acrich2+ (DT3001X) ■ Package Outline & Dimensions Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Design of Acrich2+ Module ■ Selection of LED Current (Module Power Consumption) Table. 1 Recommended IC-Type Input Voltage [Vrms] R IN 1 Acrich2+ Module Power [W] RSET [kΩ] ±1% A 4 0.75 2 VN(-) 10 D2 11 D1 LEDStage 2 Acrich2+ 8 D4 3 LEDStage 3 220 NC NC LED Stage 4 6 5 RBLD 7 NC 120 D3 4 VAC 2 9 RSET RSET VP(+) RSET IC-Type LEDStage 1 CL 12 RL ADIM VIN A 8 1.54 B 12 2.49 B 16 3.74 A 4 0.42 A 8 0.78 A 12 1.18 B 16 1.65 * LED Current setting is based of the circuit of Seoul Semiconductor’s LED Array R BLD GND (Acrich MJT 5630 PKG) VAC1 Figure. 1 Typical Application Circuit 1. LED output current setting -. Acrich2+ module’s current can be controlled by Rset value. (Plz refer Table 1 and “Recommended Rset value” for reference) ※ Seoul semiconductor highly recommends to designers to decided Rset value based on actual sample -. Rset value needs to be carefully chosen with each component's permitable error range to meet targeted module power Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Design of Acrich2+ Module ■ Design of ADIM (voltage divider circuit) ■ Acrich2 IC(DT3001) Support ADIM(Analog Dimming) R IN 1 10 D2 11 CL D1 RL LEDStage 1 12 VIN ADIM ADIM 9 RSET RSET 2 VN(-) D3 Acrich2+ 8 D4 3 Adjust the light output by external dimming signal Acrich2 module circuit is non isolated The Dimming circuit need to be connected with same ground or isolation circuit LEDStage 3 NC NC LED Stage 4 6 5 4 NC RBLD 7 VP(+) VAC 2 LEDStage 2 Applying a voltage source on ADMI R BLD GND VAC1 Figure. 2 Typical Application Circuit 1. LED output current setting ■ Calculation example 2. Analog Dimming Setting (ADIM) Case 1 : VIN = 0 ~ 4V 12kΩ1.5V 4V 1.5V 7.2kΩ - RIN needs to be set 12kΩ and RL to be decided by Dimming voltage RL with following formula. RL RIN VADIM VIN VADIM Case 2 : VIN = 0 ~ 10V 12kΩ1.5V 10V 1.5V 2.1kΩ RL Note. [1] 1.5V input to #12 pin : LED Flux output100% [2] RIN , RL is voltage parting circuit. Fix RIN value as 12kΩ to minimize IC power [3] CL as ADIM’s smoothing circuit. Recommends 100nF (0.1~1uF) Copyright ⓒ Seoul Semiconductor Co., Ltd. Where - VIN - VADIM - RL - CL : External dimming voltage signals : 1.5V (Constant value[1]) : 12kΩ (Fixed value[2]) : 100nF [3] www.seoulsemicon.com Acrich2+ Analog Dimming Solution ■ Design Example ADIM Resistor Calculator -. In case ofUser DCEntered linearParameters voltage Parametric Calculations Fixed Data Key Dimming Input Voltage vs. ADIM Voltage(IC-pin) 1.5 Where - VIN : External dimming voltage signals [1] - VADIM - RL : 1.5V (Constant value ) : 12kΩ (Fixed value [2]) - CL : 0.1uF R VADIM RL IN VIN VADIM Case 1 1.4 Case 2 1.3 Case 3 1.2 1.1 [3] VIN VADIM RIN RL Case 1 3.0 1.5 12.0 12.0 V V KΩ KΩ VIN VADIM RIN RL Case 2 4.0 1.5 12.0 7.2 V V KΩ KΩ VIN VADIM RIN RL Case 3 10.0 1.5 12.0 2.1 V V KΩ KΩ ADIM Voltage[Vdc] 1.0 Note. [1] When the VADIM is 1.5V[pin,12] the LED Flux reaches the 100%. [2] RIN and RL is Voltage divider circuit. Then total resistance is limited in order to minimize IC power consumption. [3] C L is voltage compensation capacitor. (1~10uF) 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 DImming Input Voltage [Vdc] Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Analog Dimming Solution Design of D/A Converter (Digital to Analog) ■ Design Example Entered Parameters -. In case of PWMUser voltage (fixed frequency) Parametric Calculations Fixed Data Key PWM Dimming, D/A output voltage 12.0 Duty [%] 10.0 20.0 12.0 2.1 100 0.133 1200.0 Vout [Vdc] 3 5 10 20 30 40 50 60 70 80 90 100 Vpeak kHz kΩ kΩ nF kHz us PWM, Aplitude Fixed Freq. 8.0 Cut-off Freq. Ton [us] 0.3 0.5 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 Vout [Vdc] 10.0 D/A Output Voltage [Vdc] Input Voltage Input Frequency RIN RL CL Fc Time Constant Toff [us] 1.5 2.5 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 48.5 47.5 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 6.0 4.0 2.0 0.0 0 20 40 60 80 100 120 Duty [%] VOUT value can be calculated as following formula. Duty TON TON TOFF VOUT VIN D Where - VIN : 10V, Input Voltage (PWM) - VOUT : D/A Output voltage - TON : PWM, Pulse On-time - TOFF : PWM, Pulse Off-time Copyright ⓒ Seoul Semiconductor Co., Ltd. www.seoulsemicon.com Acrich2+ Analog Dimming Solution ■ Dimming Performance Voltage Current Light Output 0~10V Dimming signal LED Current Dimmer Input Voltage Flux 120% Relative Light Output[%] t Max. Voltage 10V Min. Voltage 0V (0V = off/Min. Dimming ragne) Dimming Sgnal 0 ~ 10V t Max. Current (@ Dim. Signal, 10V) Half. Current (@ Dim. Signal, 5V) Acrich2+ LED Current 100% 80% 60% 40% 20% 0% 0.0 1.3 2.5 3.8 5.0 6.3 7.5 8.8 10.0 ADIM Voltage[V] Min. Current (@ Dim. Signal, 0V) t Figure 2. Analog Dimming Curve (Measurements performed at 16W Module) Max. Dimming (@ Dim. Signal, 10V) Half. Dimming (@ Dim. Signal, 5V) Acrich2+ Light Output Min. Dimming (@ Dim. Signal, 0V) t Figure 1. Analog Dimming Timing chart Table 1. Specification of ADIM Input Signal DC Voltage [V] Minimum 0 Maximum 10 Copyright ⓒ Seoul Semiconductor Co., Ltd. PWM (Pulse Width Module) Max. Amplitude : 10V Duty Ratio : 0~100% (@50kHz) Relative Light Output [%] 2~5 (Typ. 5%) 100 www.seoulsemicon.com THANK YOU! www.seoulsemicon.com For more information, please contact below : T(+82)-70 4391 8046, M(+82)-10 3340 0724 ☞ [email protected] - Appendix Safety standard - UL, TUV/CE 4W-UL 8W-UL Copyright ⓒ Seoul Semiconductor Co., Ltd. 12W-UL 16W-UL 16W-UL, TUV/CE 17W-UL, TUV/CE www.seoulsemicon.com