One of the battery discharge status indication circuits
Source: InternetPublisher:子丑寅卯 Keywords: battery battery discharge BSP Updated: 2020/03/15
It can be used for voltage monitoring of batteries of 1.8V and above, so as to know when
the battery needs to be charged or replaced.
The control voltage threshold can be changed by changing the corresponding resistors R1, R2 and R according to the following formula. The resistance value is adjusted.
When Ri is wrong, R2 is on, R3 is on
, U is the battery voltage, V.
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