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IC 28脚管无输出电压，本体异常，品牌TI，芯片规格BQ40Z50，请问是什么引起的，如何解决？谢谢
您好，如果是芯片本体损坏，需要了解损坏原因建议做失效分析。
请参考下面的链接
https://www.ti.com.cn/zh-cn/support-quality/additional-information/customer-returns.html
