Supercapacitor fallback from Li-ion charging IC

Published: 5/10/2017
Supercapacitor fallback from Li-ion charging IC
Source: ELECTRONICS.STACKEXCHANGE.COM

I'm currently charging a single Li-ion cell from a dedicated charger IC. Due to the intermittent nature of the charging source and Li-ion not being able to charge below 5 deg C it is possible that the battery may run below it's ideal level. I am adding a supercapacitor so that the circuit can operate in low power mode if the battery is in deep discharge. I'm struggling to work out a simple circ

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