The LP8873-Q1 is an automotive high-efficiency, low-EMI LED driver with an integrated DC-DC power switch supporting boost and SEPIC topologies. It features four high-precision current sinks with up to 150mA per channel, supporting PWM phase shifting, hybrid dimming, and 12-bit analog dimming. The device includes adaptive output voltage control based on LED headroom to minimize power consumption and offers extensive fault detection including LED open/short and thermal protection.
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Texas Instruments LP8873-Q1 technical specifications.
| Number of Channels | 4 |
| Input Voltage (Min) | 3V |
| Input Voltage (Max) | 48V |
| Output Current (Max per channel) | 150mA |
| Output Voltage (Max) | 48V |
| Switching Frequency | 0.1 to 2.2MHz |
| Dimming Ratio | 32000:1 |
| Internal FET Rating | 5.4A |
| Automotive Qualification | AEC-Q100 Grade 1 |
| RoHS | Compliant |
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