Maxim MAX20090汽车高压高亮LED控制方案
Maxim公司的MAX20090是汽车用单路高亮LED(HB LED)控制器,输入电压从5V到65V,最大输出电压65V,可编程开关频率200kHz到2.2MHz,可配置成升压,高边降压,SEPIC,降压-升压,Zeta和Cuk架构,具有短路,过压和热保护特性,工作温度-40°C到+125°C,主要用在汽车外部照明,远光灯/近光灯/信号灯/位置灯,白天运营照明(DRL)以及雾灯和自适应前灯等.本文介绍了MAX20090主要优势和特性,功能框图,多种应用电路以及评估板MAX20090 EVK主要特性,电路图,材料清单和PCB设计图.
The MAX20090 is a single-channel high-brightness LED (HB LED) driver for automotive front-light applications such as high beam, low beam, daytime running lights (DRLs), turn indicators, fog lights, and other LED lights. It can take an input voltage from 5V to 65V and drive a string of LEDs with a maximum output voltage of 65V.
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