The A8502 and A8514 can optionally drive an external PMOS to disconnect input supply from the system in the event of a fault.

Allegro MicroSystems, Inc. (Worcester, MA) announces two new multi-output LED drivers for LCD backlighting. The A8502 and A8514:

• Integrate a current-mode boost converter with internal power switch and multiple current sinks.
• Can be paralleled together to achieve even higher LED currents.
• Operate from a single power supply from 5 to 40 V.
• Can optionally drive an external PMOS to disconnect input supply from the system in the event of a fault.
• Are coupled with an external PMOS disconnect switch.
• Have a dual level cycle-by-cycle current limit function that provides soft start and protects the internal current switch against high current overloads.
• Have a high PWM switching frequency of >2 MHz.

For more information visit www.allegromicro.com.