Product Description: Li-Pol TP4056 Single Cell 1S 3.7V USB Type C Battery Charger with Safety
Features
Single-cell charger for lithium polymer batteries with a voltage of 3.7 V. The module is based on the TP4056 chip. The chip is powered via a USB Type C connector. The charger has built-in protection against discharging the battery below 2.5 V and against charging with too high a current exceeding 3 A.
Li-Pol TP4056 single cell 1S 3.7V USB type C charger with protection.
Pinouts
The module has 6 leads in the form of soldering fields and a USB type C connector.
Pin Configuration:
| No: | Pin Name | Description |
| 1 | OUT + | This pins outputs the positive voltage from battery. It should be connected to the circuit which has to be powered by the battery |
| 2 | B + | Outputs positive voltage from USB cable to charge to battery. It should be connected to the positive of the battery |
| 3 | B – | Outputs negative voltage from USB cable for charging battery. It should be connected to negative of the battery |
| 4 | OUT – | This pin outputs negative voltage from battery. It should be connected to the ground of circuit which has to be powered by the battery |
| 5 | IN + | Should provide +5V, can be used if charge cable not available |
| 6 | IN – | Should provide ground of the +5V supply, can be used if charge cable not available |
| 7 | LED Red | This LED turns on while the battery is charging |
| 8 | LED Blue | This LED turns on after the battery is fully charged |
Charger Specifications
- Chip: TP4056
- Supply voltage: (USB type C or IN connectors) 5 V
- Charging voltage: 4,2 V ± 1%
- Maximum charging current: 1 A
- Socket: USB type C
- Two indicator lights:
- Red: charging
- Blue: Fully charged
- Protection against discharging below 2.5 V
- Protected against the current draw of more than 3 A
- Module dimensions 28 x 17 mm
| Caution! Before connecting the battery check the polarity of the plug. |
Li-Pol TP4056 single cell 1S 3.7V USB type C charger with protection
We offer a professional solution, which will prove useful for professionals or people interested in electronics. It is an electronic module that is based on a tp4056 chip. The device is to act as a charger for a single-cell battery.
The product is a printed circuit board with prepared leads for soldering appropriate parts. The chip is equipped with a USB type C connector, thanks to which the user will be able to connect it to an appropriate power supply.
Battery charger 3.7 V
The offered 3.7V charger is a device that is designed to charge lithium polymer batteries. The user has to solder a socket for a suitable-sized battery by himself. For this purpose, 6 soldering fields have been prepared.
For the convenience of the user, the device has two LEDs that inform the user about the current status of the charging process. The green one means that the battery is charged, while the blue one indicates that the charging process is still in progress.
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