Datasheet Details
| Part number | A8522 |
|---|---|
| Manufacturer | Allegro MicroSystems |
| File Size | 6.02 MB |
| Description | Multi-Channel LED Driver |
| Datasheet |
 A8522 Datasheet
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General Description
The A8522 is a programmable multi-output LED driver for LCD backlighting.
It integrates a current-mode boost converter with internal power switch and 8 current sinks.
The IC operates from 4.5 to 36 V, and is able to withstand up to 40 V load-dump conditions encountered in automotive systems.
Key Features
- AEC-Q100 qualified.
- Wide input voltage range of 4.5 to 36 V.
- Operates down to 3.9 V (VIN falling) for idle stop, and up to 40 V for load dump.
- Integrated boost converter with DMOS switch and OVP protection up to 39 V.
- 8 fully integrated LED current sinks, with individually programmable current up to 60 mA per channel.
- I2C™ interface for programming LED current, PWM dimming, and various protection thresholds per channel.
- Ability to d.