This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS61194: TPS61194

Part Number: TPS61194


TPS61194PWPR,LCD驱动芯片在低温-30度下8小时候背光没有输出,使能输入,PWM均输入正常

  • Hi

       常温下再启动是否正常?

       在-40℃下,测量其信号,例如第二脚LDO输出是否稳定?输入输出是否稳定?

      (一般这类异常是要测试确认的,因为通常情况下电路都是没有大的问题的,可能问题出在layout,或者电容上, 因为低温下电容容值会跌落,可能导致一些电压不稳定致使芯片工作异常)