A8514
A8514 is High Efficiency Fault Tolerant LED Driver manufactured by Allegro MicroSystems.
Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver
Features
AND BENEFITS
- AEC-Q100 qualified
- Wide input voltage range of 5 to 40 V for start/stop, cold crank and load dump requirements
- Fully integrated LED current sinks and boost converter with 60 V DMOS
- Sync function to synchronize boost converter switching frequency up to 2.3 MHz, allowing operation above the AM band
- Excellent input voltage transient response
- Single resistor primary OVP minimizes VOUT leakage
- Internal secondary OVP for redundant protection
- LED current of 80 mA per channel
- Drives up to 12 series LEDs in 4 parallel strings
- 0.7% to 0.8% LED to LED matching accuracy
- PWM and analog...
