ALED7709 Overview
ALED7709x are automotive-grade (AEC-Q100 Grade1 qualified) LED drivers bining a boost/SEPIC controller and four low-side constant-current sinkers, designed to drive strings of high brightness LEDs. The switching converter section provides the supply rail for the LED strings, whose value is constantly optimized for maximum efficiency. The boost/SEPIC controller supports the external synchronization and spread...
ALED7709 Key Features
- AEC-Q100 Grade1 qualified
- Operating temperature range -40 °C < TJ < 150 °C
- 4.5 V to 42 V operating input voltage range
- Up to 60 V tolerant for load dump @ 24 V battery
- Supports battery cranking events down to 4 V supply
- Simultaneous or exclusive control by PWMI and I2C interface
- Switching controller section
- Low shutdown current: ISHDN < 15 µA
- Fixed frequency peak current-mode controller
- Cycle-by-cycle power switch OCP
ALED7709 Applications
- Automotive lighting and backlighting for