We are using BQ32000 RTC with TI processor AM625x in our design. We need to select supercap for the RTC back up supply. The minimum backup time required is 30 minutes. Kindly suggest supercaps for this requirement.
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We are using BQ32000 RTC with TI processor AM625x in our design. We need to select supercap for the RTC back up supply. The minimum backup time required is 30 minutes. Kindly suggest supercaps for this requirement.
Hi Prematatha,
You may need a supercap greater than 1421µF. See https://e2e.ti.com/support/clock-timing-group/clock-and-timing/f/clock-timing-forum/855446/bq32002-super-capacitor-value-suggestion for the math.