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BQ24296: BQ24296在充电时发热严重,温度达50多度

Part Number: BQ24296

Hi Ti工程师,

目前在使用TI的BQ24296M充电管理芯片,在充电状态下芯片发热很严重,表面温度达到53°,由于是手持设备导致机内温度升高到40°+,这个温度正常吗?

下图是原理图和Layout,请帮忙分析,谢谢!