Part Number: BQ4050 Other Parts Discussed in Thread: GPCCEDV 工程师您好!
我这边遇到一个问题,4S1P电池在客户设备上充电时还没充满电流就减小为200mA甚至更小,此时电量为22%、75%(不固定),设备充电管理给出来的电压和电流分别是16.8V、1A,
电量不增长以后我立马取下电池读取数据,界面如下 。
请问这是什么原因?谢谢! 75.gg.csv
Part Number: OPA657 Other Parts Discussed in Thread: DEM-OPA-SOT-1A ,
Dear all,
here is my schematic
my PCB design is close to DEM-OPA-SOT-1A
Input is a photomultiplier tube . its parasite capacitance i estimate is 20-30pF ,and so i choose C5=0.25pF. …