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关于手册上8.3.6的电池充电电路,有点看懂。
那扩流的原理是什么?
扩流,实质上是lm317+电流放大电路。
这类电路发热比较厉害,除了一些特别的用途,很多都用dcdc电路了吧
嗯嗯,是的,锂电池肯定要用专用的充电ic。我猜楼主是用lm317给铅蓄电池充电,网上有很多这类电路。