LED Drivers
Automotive High-Current LED Controller with Programmable Multi-Topology Operation
A6271-1
The A6271-1 provides a flexible and efficient solution for driving high-power LEDs, supporting boost, buck-boost, buck, and SEPIC configurations. Features include programmable switching frequency, PWM dimming, and comprehensive protection.
Product Details
Product Details
Top Features
- Automotive AEC-Q100 qualified
- Constant-current LED drive
- 4.2 to 50 V supply
- 53.3 V maximum LED string voltage
- Boost, buck-boost, buck, and SEPIC switching converters
- Programmable switching frequency 70 to 700 kHz
- PWM-controlled PMOS driver allows accurate LED current control at low duty cycles
- Dimming via external PWM, internal PWM and/or analog dimming
- Frequency dither scheme for effective spread spectrum to reduce EMI
- Comprehensive fault protection and fault flag
Typical Applications
- Automotive High-Power LED Lighting Systems
- Fog Lights, Reversing Lights, Daytime Running Lights, Position Lights, Headlights
Target Application
