BQ24600充电电流0.5A,输入电压14.8V,正常工作,但是上电后芯片温度发烫,温度到100℃左右,原理图如图,请帮忙看下。
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集成电路的功耗主要来自LDO,栅极驱动器以高频驱动FET。有关如何减少热量的建议,请参阅相关帖子:(+) BQ24600: Chip Heating Up - Power management forum - Power management - TI E2E support forums
请参阅数据表第10.1节中的布局指南,以确保适当的散热: