Schematic 4,7v Battery Charger

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5) You can play with this resistor to get desired charging current DW01A is a battery protection IC, Image No 6 shows the typical application circuitry.. 2) along with image of a charge cycle (Image No 3) showing constant-current and constant voltage charging.. Hence breakout board with battery protection contains 3 ICs (TP4056 DW01A FS8205A), whereas the one without battery protection contains only 1 IC (TP4056).. We need to do only two things, give a voltage in the range of 4 0 to 8 0 V at input terminals and connect a battery at B and B- terminals of TP4056. 1

I am using below Load sharing circuit in my design I have got the schematics from this page : LINKNote : R3 is 2K in my case.. We can't terminate charging at 4 2 V because capacity reached at 4 2 V is only about 40-70 % of full capacity. HERE

There are two version of this TP4056 based Li-ion charger breakout board available in market; with and without battery protection circuitry. Click

We will be using one with battery protection circuitry Breakout board that contains battery protection circuitry, provides protection using DW01A (battery protection IC) and FS8205A (Dual N-Channel Enhancement Mode Power MOSFET) ICs.. Next, we will build our rest of the battery charger circuitry $begingroup$I am building a device which is being powered by single cell Li ion battery (1100mAh), i am using MCP73831 Li ion battery charger and controller in my design to charge the battery. e10c415e6f HERE

It can work with USB as well as wall adapters I have attached an image of pin diagram of TP4056 (Image No.. 2 KOhm connected to this pin, which corresponds to 1 Ampere charging current(Image No.. 2 to 0 7 times their capacity, till their terminal voltage reach 4 2 V, later they should be charged in constant-voltage mode till charging current drops to 10% of initial charging rate. 5