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tlfong01
tlfong01
6:48 AM
Now I am setting up my RD6006 PSU at 5V 350mA to test charging 3.7V Lipo with TP4056.
 
 
6 hours later…
tlfong01
tlfong01
1:18 PM
Now I am trying to use the TP4056 to charge up a Lipo from 2.0VDC to about 3.0VDC. The 18650 is being charged but not discharging at the same time.
The TP4056 will hopefully charge the 18650 cell to a steady 4.2V approximately. This verifies that the charging circuit is more or less working OK.
For now the Lipo cell output is measured by the DVM, but the protection device DW01 output is not yet connected to any load.
 
tlfong01
tlfong01
1:52 PM
Next step is to test Lipo discharging with DW01 protective cct. The protective cct is two low side switches of N-channel power MOSFET (M1, M2 in the schematic below).
 

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