Datasheet Details
| Part number | A8519 |
|---|---|
| Manufacturer | Allegro MicroSystems |
| File Size | 2.20 MB |
| Description | Fault-Tolerant LED Driver |
| Datasheet |
 A8519 Datasheet
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General Description
The A8519 is a multi-output LED driver for small-size LCD backlighting.
It integrates a current-mode boost converter with internal power switch and four current sinks.
The boost converter can drive up to 44 white LEDs, 11 LED per string, at 100 mA.
Key Features
- Automotive AEC-Q100 qualified.
- Fully integrated 42 V MOSFET for boost converter.
- Fully integrated LED current sinks.
- Withstands surge input up to 40 VIN for load dump.
- Operates down to 3.9 VIN (max) for idle stop.
- Drives four strings of LEDs.
- Maximum output voltage 40 V.
- Up to 11 white LEDs in series.
- Drive current for each string is 100 mA.
- Programmable boost switching frequency (200 kHz to 2.15 MHz).