The TLC69664-Q1 is a 16-channel constant current sink driver designed for automotive LCD local dimming backlights. It supports 1/2/4 time-multiplexing control with 16 constant current sinks and integrated SRAM for brightness storage. The device features a high-speed daisy chain interface reaching up to 20MHz, adaptive headroom voltage control (AHVC) for DC/DC efficiency, and diagnostic functions including LED open/short detection and thermal shutdown.
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Texas Instruments TLC69664-Q1 technical specifications.
| Number of Channels | 16 |
| Maximum Output Current | 60mA |
| Maximum Output Voltage | 50V |
| Operating Voltage VCC Range | 3 to 5.5V |
| Brightness Resolution | 15bit |
| Data Transfer Rate | 20MHz |
| Standby Current (ICC) | 200uA |
| Normal Mode Current (ICC) | 3.5mA |
| Automotive Qualification | AEC-Q100 Qualified |
| Temperature Grade | Grade 1: -40°C to +125°C |
| Esd Hbm Classification | Level 2 |
| Esd Cdm Classification | Level C4B |
| Functional Safety | Functional Safety-Capable |
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