The LP8868V-Q1 is a highly integrated, non-synchronous multi-topology LED driver designed for automotive applications. It features an integrated 5.2A, 150mΩ low-side NMOS switch and supports buck, buck-boost, and boost topologies. The device operates over a wide input voltage range of 4.5V to 65V and supports four dimming options: analog, PWM, hybrid, and flexible dimming with a 256:1 analog dimming ratio and 150ns fast PWM pulse width. It includes spread spectrum for EMI reduction and extensive protection features such as LED open/short protection, cycle-by-cycle current limit, and thermal foldback.
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Texas Instruments LP8868V-Q1 technical specifications.
| Input Voltage (Min) | 4.5V |
| Input Voltage (Max) | 65V |
| Output Current (Max) | 4A |
| Switching Frequency | 100 to 2200kHz |
| Integrated MOSFET Current Limit | 5.2A |
| RDS(on) | 150mΩ |
| Operating Temperature (Tj) | -40 to 150°C |
| Number of Channels | 1 |
| Automotive Qualification | AEC-Q100 Qualified |
| Temperature Grade | Grade 1 (-40°C to +125°C TA) |
| RoHS | Compliant |
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