The LP8865U-Q1 is a highly integrated, non-synchronous multi-topology LED driver designed for automotive applications. It supports a wide input voltage range of 4.5 V to 65 V and features an integrated 2.6-A, 150-mΩ low-side NMOS switch. The device is optimized for high power density and efficiency, supporting buck, boost, and buck-boost topologies. It includes Inductive Fast Dimming (IFD) technology for high dimming accuracy and supports analog, PWM, hybrid, and flexible dimming methods. Safety features include LED open/short protection, cycle-by-cycle current limiting, and thermal foldback.
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| Input Voltage (Min) | 4.5V |
| Input Voltage (Max) | 65V |
| Output Current (Max) | 2A |
| Switching Frequency | 0.1 to 2.2MHz |
| Integrated MOSFET Current Limit | 2.6A |
| RDS(on) Typical | 150mΩ |
| Operating Temperature (Ta) | -40 to 125°C |
| Number of Channels | 1count |
| Dimming Ratio (Analog) | 256:1ratio |
| Automotive Qualification | AEC-Q100 Qualified |
| Temperature Grade | Grade 1 |
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