The TLC69651-Q1 is a 16-channel constant current sink driver designed for automotive LCD local dimming backlights. It features an integrated SRAM for brightness storage and supports up to 1024 devices in a daisy-chain topology for 16,000 local dimming zones. The device includes adaptive headroom voltage control (AHVC) for high system efficiency and comprehensive diagnostic functions including LED open/short detection and thermal shutdown.
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Texas Instruments TLC69651-Q1 technical specifications.
| Number of Channels | 16Channels |
| Maximum Output Current | 30mA |
| Maximum Output Voltage | 50V |
| Supply Voltage (VCC) | 3.0 to 5.5V |
| Brightness Resolution | up to 15bit |
| Data Transfer Rate | 20MHz |
| Operating Temperature (TA) | -40 to 125°C |
| Automotive Qualification | AEC-Q100 Grade 1 |
| Esd Hbm | Level 2 |
| Esd Cdm | Level C4B |
| Functional Safety | Functional Safety-Capable |
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