The TPS92633-Q1 is an AEC-Q100 qualified three-channel linear LED driver designed for automotive lighting applications. It features high-side current regulation with ±5% accuracy across temperature, supporting up to 150mA per channel. The device includes unique thermal management through a thermal sharing resistor to dissipate heat off-chip, and supports off-board binning resistors for simplified LED brightness grading. It provides comprehensive diagnostics including LED open, LED short-to-ground, and single-LED short detection with automatic recovery.
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Texas Instruments TPS92633-Q1 technical specifications.
| Input Voltage (Min) | 4.5V |
| Input Voltage (Max) | 40V |
| Number of Channels | 3 |
| Output Current per Channel | 150mA |
| Maximum Total Output Current | 450mA |
| Dropout Voltage (Max) | 600mV |
| Operating Temperature (TA) | -40 to 125°C |
| Quiescent Current (Typ) | 1.5mA |
| Automotive Qualification | AEC-Q100 Grade 1 |
| RoHS | Compliant |
| REACH | Compliant |
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