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Battery explosion problem [Copy link]

The circuit diagram is roughly as shown above. It uses CR2032 batteries for power supply and the microcontroller is STM32L151C8T6. Use STLINK for simulation.
But two batteries exploded in succession. I don't know why. Please give me some advice. Thank you!



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Unless an external power source with a voltage higher than the battery terminal voltage is applied to the battery, it is impossible to explode.  Details Published on 2019-5-28 13:44
Personal signature为江山踏坏了乌骓马,为社稷拉断了宝雕弓。
 

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The CR2032 battery is not a rechargeable battery, so you should not connect it to VCC. You must power VBAT through an isolation diode.
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Unless an external power source with a voltage higher than the battery terminal voltage is applied to the battery, it is impossible to explode.
This post is from stm32/stm8
 
Personal signature上传了一些书籍资料,也许有你想要的:https://download.eeworld.com.cn/user/chunyang
 

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Thanks! I see.
This post is from stm32/stm8
 
Personal signature为江山踏坏了乌骓马,为社稷拉断了宝雕弓。
 
 

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