A8510 Description
The A8510 is a multi-output white LED driver for LCD backlighting. It integrates a current-mode boost converter with internal power switch and 8 current sinks. The boost converter can drive up to 96 LEDs with 12 LEDs at 40 mA per string.
A8510 Key Features
- Integrated 2 MHz capable boost converter with 60 V DMOS switch with OVP protection
- Sync function to synchronize boost converter switching frequencies up to 2.3 MHz
- LED current up to 40 mA per LED channel into 8 channels
- Drives up to 12 series LEDs in 8 parallel strings
- Single EN/PWM pin interface for PWM dimming and enable functions
- APWM pin for fine-tuning color adjustment and/or maximizing contrast ratio
- Integrated driver for optional external PMOS input disconnect switch
- Typical LED accuracy of 0.7% and 0.8% for LED-to-LED matching
- Internal bias supply for single-supply operation from 5 to 40 V
- Extensive protection features