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BQ28Z610-R1: 請教關於VBAT in 電阻燒毀

tzlu yeh
Prodigy 220 points
Part Number: BQ28Z610-R1
Other Parts Discussed in Thread: BQ24074

hi TI Teams,

目前有遇到一不良現象 R5 燒毀 變成高阻抗並呈現先無法充電 ( 充電器使用BQ24074 )後再可進入充電模式

拆開PCBA後確認R5阻抗變動5R to 3M ohm 能否請教通常是怎樣的現象會影響R5/C13的燒毀