USB NI-MH CELL 請(qǐng)教用什么IC?充電電流250mA;
USB 對(duì)單節(jié)NI-MH電池充電,電流250mA ,負(fù)電壓斜率檢測(cè)/,LED指示.請(qǐng)教各位用什么IC,空間很小.
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