LED 驱动器
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
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)
Target Application
