电源调制驱动器的失效分析

来源 :半导体技术 | 被引量 : 0次 | 上传用户：cdzq911

【摘要】

：

电源调制驱动器是保障电路系统脉冲式供电的常用IC产品,通过输出脉冲信号控制MOSFET的开关为电路系统供电.讨论了某电子设备中出现的电源调制驱动器失效现象.通过二极管导通

【作者】

：

赵永瑞张浩师翔倪涛张在涌

【机构】

：

河北新华北集成电路有限公司,石家庄 050200;中国电子科技集团公司第十三研究所,石家庄 050051;河北省移动通信用射频集成电路重点实验室,石家庄 050200;河北新华北集成电路有限公司,石家

【出处】

：

半导体技术

【发表日期】

：

2021年5期

【关键词】

：

电源调制驱动器静电损伤电压冲击电流冲击高工作频率

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论文部分内容阅读

电源调制驱动器是保障电路系统脉冲式供电的常用IC产品,通过输出脉冲信号控制MOSFET的开关为电路系统供电.讨论了某电子设备中出现的电源调制驱动器失效现象.通过二极管导通测试和加电测试确定故障位置和失效情况,并对失效产品进行开帽和去层,更精准地定位故障位置.通过建立故障树并使用排除法对失效驱动器进行分析,确定其失效的主要原因.通过机理分析和故障复现,证明了之前故障定位的准确性和分析的正确性.最后,为防止类似失效情况的再次发生制定了相应的改进措施.经用户使用验证,故障问题得以解决.

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电源调制驱动器的失效分析

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