The TLC69639-Q1 is a highly integrated 48-channel constant current sink LED driver designed for automotive local dimming applications. It features a cascaded serial interface with data rates up to 17Mbps, an integrated 33MHz oscillator, and diagnostic capabilities for ISO 26262 ASIL B system design. The device supports 16-bit PWM or hybrid dimming and provides protections including LED open/short detection and thermal shutdown.
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Texas Instruments TLC69639-Q1 technical specifications.
| Number of Channels | 48 |
| Max Output Current | 100mA |
| Max Output Voltage | 16V |
| Input Voltage (Min) | 3V |
| Input Voltage (Max) | 5.5V |
| Operating Temperature Range | -40 to 125°C |
| PWM Resolution | 16bits |
| Internal Oscillator frequency | 33MHz |
| Topology | Current Sink |
| Aec-q100 | Grade 1 qualified |
| Functional Safety | Functional Safety-Compliant (ASIL-B targeted) |
| RoHS | Yes |
| REACH | Yes |
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