A8515 Datasheet Fault Tolerant LED Driver

Manufacturer: Allegro MicroSystems

Datasheet Details

TheA8515 is a multi-output white LED (WLED) driver for LCD backlighting in consumer and industrial displays.

It integrates a current-mode boost converter with an internal power DMOS switch and two current sinks.

The boost converter can drive up to 24 LEDs: 12 LEDs per string at 120 mA.

A8515 Wide Input Voltage Range, High Efficiency Fault Tolerant LED.

Wide input voltage range: 5 to 40 V.
Maximum LED current of 120 mA.
TSSOP-16 (LP) package; exposed pad offers best-in-class thermal performance.
Typical LED accuracy of 0.5%, and 0.5% for LED-to-LED matching.
Internal bias supply for single-supply operation (typically between VIN = 8 to 24 V).
Integrated boost converter with 60 V DMOS switch with overvoltage protection (OVP).
Drives up to 12 series LEDs in 2 parallel strings.

Part Number	Description
A8510	High Efficiency Fault Tolerant LED Driver
A8511	4-Channel x 150 mA WLED/RGB Driver
A8514	High Efficiency Fault Tolerant LED Driver
A8517	Multi-Channel LED Driver
A8518	Fault-Tolerant LED Driver
A8518-1	Fault-Tolerant LED Driver
A8519	Fault-Tolerant LED Driver
A8519-1	Fault-Tolerant LED Driver
A8502	High Efficiency Fault Tolerant LED Driver
A8503	WLED/RGB Driver