TP4056 1A Li-Ion Battery Charger Module
Complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries with integrated DW01A / FS8205A overcharge, overdischarge, and overcurrent protection.
Aliase:TP4056, Lithium Battery Charger, DW01A 18650 Protection Module
6-Terminal Module Layout
6 Pins
Pinout Table6
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | IN+ | Power | Input Power Positive (+4.5V to +5.5V DC) |
| 2 | IN- | Ground | Input Power Ground (0V) |
| 3 | B+ | Power | Lithium Battery Positive Terminal — charges to 4.2V CC/CV; nominal 3.7V; connect single-cell Li-Ion/LiPo positive terminal |
| 4 | B- | Ground | Lithium Battery Negative Terminal |
| 5 | OUT+ | Power | Protected Load Output Positive |
| 6 | OUT- | Ground | Protected Load Output Negative (Ground) |