The TPS92623-Q1 is a three-channel automotive linear LED driver featuring a unique thermal management design to reduce temperature rise. It operates directly from automotive batteries with a wide input voltage range of 4.5V to 40V. Each channel provides high-precision current regulation up to 150mA with ±5% accuracy. The device includes independent PWM pins for brightness control and a shunt resistor interface for thermal sharing by dissipating power away from the IC. Integrated protections include LED open-circuit, LED short-to-GND, and thermal shutdown.
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Texas Instruments TPS92623-Q1 technical specifications.
| Number of channels | 3 |
| Input voltage (max) | 40V |
| Input voltage (min) | 4.5V |
| Output current per channel (max) | 0.15A |
| Total output current (max) | 0.45A |
| Quiescent current (typ) | 1.6mA |
| Topology | Current Source |
| Operating temperature range | -40 to 125°C |
| Maximum dropout voltage @ 150mA | 600mV |
| Current regulation accuracy | ±5% |
| Aec-q100 | Qualified for automotive applications (Grade 1) |
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