Automotive 1.5A Synchronous Buck LED Driver Modules with Integrated Inductor

APM80900-APM80904

The APM80900/4 simplifies automotive LED lighting design with an integrated inductor, high-side and low-side MOSFETs, and cycle-by-cycle current control for precise LED current regulation. Offers flexible dimming options (PWM, analog) and comprehensive protection. The APM80904 includes programmable internal PWM dimming.

Product Details

Top Features

Source current up to 1.5 A for high current LEDs
Integrated inductor and capacitors
Capable of Driving 1 to 6 series WLEDs (APM80900)
Peak Efficiency of 90%
Ultra-low EMI signature
High frequency (fSW > 2 MHz) switching with a Spread spectrum
Synchronous rectification with integrated high-side and low-side MOSFETs
High side current source, ILED accuracy ±3%
Dimming via external PMW or EN Pin - Programmable internal PWM dinning (APM80904) - Analog dimming for brightness calibration and thermal foldback
FAULT flag output
Small solution footprint (140mm²)