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i.MXRT1052 Coin Cell Battery draining quickly

Question asked by Tim Vielhaber on Jun 26, 2020
Latest reply on Jun 30, 2020 by Victor Jimenez

Have a coin cell connected to VDD_SNVS_IN via a schottky diode.  Battery is draining much faster than anticipated.  

 

I notice the TEST_MODE input, which must be grounded, has a 100k pullup.  For a 3V battery, that's 30 uA.  Data sheet shows 18 uA for RTC.  Just wondering why my battery appears to drain in a week or so just sitting on the shelf.

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