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Visitor II
April 3, 2020
Question

STM704 battery switchover vs UL60950

  • April 3, 2020
  • 0 replies
  • 523 views

Hello,

We are using two components with unique coin cell backup. The first one is a RTC M41T93SMY6. For this one, I could find AN1011 that states that we don't need external diode and resistor to meet UL60950, it is built in the chip. The second one is a battery switchover STM704SM6F. Could not find anything about UL60950, however the battery is connected directly to the chip without external diode/resistor on all drawings. Are they required, or they are built in like the RTC?

Thanks and Regards,

Hugues Lepage

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