The TLC69611-Q1 is a 16-channel constant current sink driver designed for automotive LCD local dimming backlights. It integrates 16 high-precision constant current sinks with SRAM for brightness storage and supports a high-speed daisy chain interface. The device features adaptive headroom voltage control (AHVC) for DC/DC optimization, flexible dimming with up to 15-bit resolution, and comprehensive diagnostics including LED open/short and thermal shutdown detection.
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Texas Instruments TLC69611-Q1 technical specifications.
| Number of Channels | 16 |
| Operating Voltage (VCC) | 3 to 5.5V |
| Maximum Output Current per Channel | 60mA |
| Maximum Output Voltage | 20V |
| Brightness Resolution | 15bit |
| Data Transfer Rate | 20MHz |
| Channel-to-Channel Error (Typ) | ±2% |
| Standby Current (ICC) | ≤ 200μA |
| Automotive Qualification | AEC-Q100 Qualified |
| Temperature Grade | Grade 1: -40°C to +125°C TA |
| Esd Hbm Classification | Level 2 |
| Functional Safety | Functional Safety-Capable |
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