A6271-1
A6271-1 is Automotive High-Current LED Controller manufactured by Allegro MicroSystems.
Automotive High-Current LED Controller
Features
AND BENEFITS
- 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
- prehensive fault protection and fault flag
PACKAGE:
16-Pin eTSSOP (LP) with Exposed Thermal Pad
Not to scale
DESCRIPTION
The A6271-1 is a DC-DC converter controller, providing a...