tp4056 circuit to charge 18650 1s battery

Thread Starter

Momentory

Joined Sep 4, 2022
101
I am making a single 18560 battery charger pcb module like tp4056 module (because it is not available in my country), after some researches my schematic is here, but actually i am not sure about it, is it right?

Capture.JPG
the circuit contains tp4056 ic to charge the battery connect to a double mosfet (fs8205) and dw01 to protect the battery from overvoltage and current.
 

hroldan

Joined Oct 12, 2016
18
I am making a single 18560 battery charger pcb module like tp4056 module (because it is not available in my country)
I don't have enough skills to validate your circuit, but I can say something about your comment (the bold bit). I understand some things are not available on all stores on all countries (it's a bit my case), but one thing you can easily find is solar chargers, I mean small and cheap solar lamps.

I have extracted and used some of those circuits, and after checking via multimeter I confirmed it protects the battery from overcharge and undercharge.

Another option? old... dirty... cheap... cell phone batteries. These come with a battery controller, usually 3 pins, one for +, another for -, and one for temperature, but you can use them directly, I have used them too. These things protect from overcharge and discharge, and will automatically cut the charging once the full charge has been reached.
 
Top