APM80900/4 通过集成电感、高边和低边 MOSFET,以及逐周期电流控制,简化了汽车 LED 照明设计,实现精准的 LED 电流调节。提供灵活的调光选项(PWM、模拟)和全面的保护功能。APM80904 包含可编程的内部 PWM 调光功能。
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)