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车载8寸TFT显示屏电源解决方案

Other Parts Discussed in Thread: TPS61070, TPS61085

你好:现在我们正在设计一款车载8寸显示屏电源驱动方案;要求输入电源:12V; 输出4路电源,分别为:1)13.5V/50mA; 2)18V/2mA; 3)-8V/ 2mA; 4)3.3V/54mA; 贵公司有车载显示屏电源解决方案? 若无,有性价比最好的集成解决方案? 针对上述两个问题,还请帮忙协助解决一下,谢谢!

  • Hi

           或可以用TPS61070这样的升压芯片搭一个电路,参考TPS61085 datasheet, 用升压产生13.5V,  用chargepump产生18V,-8V,(输出可以用稳压管压降替代三极管的电路得到简化), 用三极管稳压管产生3.3V.