TS19605CA20H Taiwan Semiconductor Three-Channel Linear LED Driver with Analog and PWM Dimming DESCRIPTION FEATURES TS19605CA20H is a three-channel Linear LED driver AEC-Q100 qualified with the following results: with analog and PWM dimming control. This device - Device temperature grade 1: -40C to 125C targets at automotive lighting applications. It provides - Device HBM ESD classification level H1C high-side drivers for LED current configured with the - Device CDM ESD classification level C6 maximum current up to 150mA per channel. By Wide input voltage range: 4.5V to 70V Max. output current: 150mA per channel cascade external PNP transistor can reach up to - Adjustable by external resistor 400mA per channel. - Accuracy: 4% per channel when I 200mA OX TS19605CA20H operates with a wide input range of - Accuracy: 6% per device when I 200mA OX 4.5V to 70V and low quiescent current in standby - Up to 400mA per channel V 1V DROPOUT mode. It is designed with various protection functions Dimming function of PWM and Analog such as under voltage lockout (UVLO), LED-String V pin for outside cascade structure to share the REF open load voltage protection (OLP) and short circuit power dissipation with full loading protection (SCP), I pin open/short protection and SET Diagnostic functionalities (LED-string Open/Short, over-temperature protection (OTP). Diagnostic I pin Open/Short, over temperature, supply SET features are provided to meet automotive voltage) requirements. LED-String voltage feedback per channel for Single-LED Short Detection (SSD) Separate fault pin for Single-LED Short Failure APPLICATION RoHS Compliant Automotive LED Lighting: Halogen-Free according to IEC 61249-2-21 - Daytime Running Lamp (DRL) / Interior light - Stop or Tail / Position / Fog / Turn Light Industrial LED Applications General RGB or White LED Drivers TSSOP-20EP Pin Definition: 1. VIN 6. PWM 11. FLTS 16. IOA 1 2 2 2. EN 7. PWM 12. FLT 17. IOB 3 1 3. GND 8. VSNS 13. IOB 18. IOA 1 3 1 4. ISET 9. VSNS2 14. IOA3 19. VIN2 5. PWM 10. VSNS 15. IOB 20. VREF 1 3 2 Notes: MSL 3 (Moisture Sensitivity Level) per J-STD-020 TYPICAL APPLICATION CIRCUIT VBAT VBAT Supply Supply VD VD VIN1 VIN2 VIN1 VIN2 RENH IOA RENH IOA 1 1 EN IOA1 EN IOA1 IOB IOB 1 1 IOB IOB 1 1 IOA2 RO1 IOA 2 IOA IOA 2 2 R R ENL IOB2 ENL IOB2 IOB IOB 2 2 R IOA3 O2 IOA3 IOA3 IOA 3 R R IOB R R FLT FLTS 3 FLT FLTS IOB3 IOB3 IOB 3 RO3 FLTS FLTS Q Q Q 1 2 3 FLTS FLTS FLT VREF FLT VREF IO IO IO 3 2 1 FLT FLT RB1 RB2 RB3 PWM1 PWM & Analog PWM 1 PWM2 VSNS1 PWM & Analog PWM2 VSNS 1 PWM3 VSNS2 PWM & Analog PWM3 VSNS2 ISET VSNS 3 R ISET VSNS3 ISET RISET GND GND NTC NTC NTC 1 2 3 RS1H RS2H RS3H RS1H RS2H RS3H RL1 RL2 RL3 TSSOP20-EP TSSOP20-EP R R R S1L S2L S3L RS1L RS2L RS3L Typical circuit Cascade PNP transistor 1 Version: A2108 TS19605CA20H Taiwan Semiconductor (Note 1) ABSOLUTE MAXIMUM RATINGS (T = 25C unless otherwise specified) A PARAMETER SYMBOL LIMIT UNIT Power input voltage - Battery power supply V /V -0.3 to 75 V VIN1 VIN2 EN input voltage V -0.3 to 75 V EN Current channel output voltage V /V -0.3 to 75 V IOAX IOBX V bias voltage V V -2 V REF REF VIN2 FLT/FLT S signal voltage V , V -0.3 to 22 V FLT FLTS V -0.3 to 5.5 V ISET input voltage ISET PWM/Analog signal input voltage V -0.3 to 5.5 V PWMX Current channel sense input voltage V -0.3 to 5.5 V VSNSX Junction Temperature Range T -40 to +150 C J Storage Temperature Range T -65 to +150 C STG ESD Rating (Human Body Mode) HBM 2 kV ESD Rating (Charged Device Mode) CDM 1 kV (Note 2) THERMAL PERFORMANCE PARAMETER SYMBOL LIMIT UNIT Thermal Resistance Junction to Ambient R 145 C/W JA (Note 2-1) Thermal Resistance Junction to Ambient R 45 C/W JA Thermal Resistance Junction to Case R 48 C/W JC (Note 2-1) Thermal Resistance Junction to Case R 15 C/W JC (Note 3) RECOMMENDED OPERATING CONDITION (T = 25C unless otherwise specified) A PARAMETER SYMBOL LIMIT UNIT Power input voltage - Battery power supply V /V 5 to 70 V VIN1 VIN2 EN input voltage V 0 to 70 V EN Current channel output voltage V /V 0 to 70 V IOAX IOBX V bias voltage V V -2 V REF VREF VIN2 0 to 20 V FLT/FLT S signal voltage V , V FLT FLTS V 0 to 5 V ISET output voltage ISET PWM/Analog signal input voltage V 0 to 5 V PWMX Current channel sense input voltage V 0 to 5 V VSNSX Storage Temperature Range T -55 to +150 C STG Operating Junction Temperature Range T -40 to +150 C J Operating Ambient Temperature Range T -40 to +125 C OPA 2 Version: A2108