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0 answers
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Troubleshooting a Low Voltage Cutoff (LVC) Circuit for Overdraining Prevention

I am attempting to design a Low Voltage Cutoff (LVC) circuit to safeguard against overdraining my 12V rechargeable battery. The objective is to halt circuit power once the battery voltage drops below ...
Karampistis Dimitrios's user avatar
0 votes
2 answers
627 views

Low-voltage shut-down compatible with deep sleep in a battery-operated ESP32

I'm designing a battery-operated device driven by an S2 mini board, which is based on an ESP32-S2 microcontroller. In order to save battery the board wakes up every 15 mn, does its thing, and then ...
Mathieu's user avatar
  • 175
1 vote
2 answers
3k views

How does the TP4056 overdischarge protection work?

I want to buy this integrated circuit (IC) to charge li-po battery. TP4056 Type-C 1S 3.7V It looks nice for charging but I am afraid of the overdischarge protection of this IC because in the ...
mehmet's user avatar
  • 1,139
0 votes
1 answer
386 views

switch load depending on battery voltage

I have the following set up; simulate this circuit – Schematic created using CircuitLab MPPT charge controller: https://www.sparkfun.com/products/12885 Load: Raspberry Pi Zero Battery is: ...
Tullio_IRL's user avatar
5 votes
3 answers
6k views

How do you tell if a Li-ion battery has a protection circuit?

I bought a li-ion battery off of ebay. The listing claims that the battery has a protection circuit, but a week later, the battery didn't cut out or anything. With a multimeter, it is reading 10V when ...
electricviolin's user avatar