您好,
物料TPS65130RGER,数量3000pcs,做了外观及x-ray检测,检测结果正常,
该产品应用在8通道模拟量电压输入模块,上机使用300pcs,出现上电开始正常,运行几分钟后,机台误触发,不良率100%,
经与客户沟通有做过ABA交替测试,有更换过板子测试,是老产品,
请问以上问题是否可以协助帮忙分析产生不良率原因,谢谢~
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HI
能够详细说明一下TPS65130电路的异常情况,例如芯片没有输出?或者输出偏低,纹波过大等等?