The TLC69654-Q1 is a highly integrated automotive-grade LED driver featuring 16 constant-current sinks with 4-line time-multiplexing support, designed for local dimming LCD backlights. It supports up to 15-bit PWM brightness resolution and 8-bit global maximum current setting. The device incorporates a high-speed daisy-chain interface (up to 20MHz), adaptive headroom voltage control for power efficiency, and extensive diagnostics including LED open/short detection and thermal shutdown.
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Texas Instruments TLC69654-Q1 technical specifications.
| Number of Channels | 16count |
| Time-Multiplexing Ratio | 4lines |
| Maximum Output Current | 30mA |
| Maximum Output Voltage | 50V |
| PWM Resolution | 15bit |
| Data Transfer Rate | 20MHz |
| Operating Ambient Temperature | -40 to 125°C |
| Supply Voltage (VCC) | 3.3V |
| Automotive Qualification | AEC-Q100 Grade 1 |
| Esd Hbm | Classification Level 2 |
| Esd Cdm | Classification Level C4B |
| RoHS | Compliant |
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