1A charging module for lithium battery – Micro USB
Small module for charging single-cell lithium-ion batteries
SKU 1606-MICRO1ALBEAN 8219671115162Format: 14500, 17335, 18500, 18650, 1S, CylindricalOutput voltage: 3.7 VdcBattery chargers
Description
Small module for charging single-cell lithium-ion batteries. Charging method: linear, charge current: 1 A (adjustable by adding an external resistor), power supply: 5 V (via micro USB), 2 LEDs indicating battery charge status (red LED on: charging – blue LED on: charge complete), charge voltage fixed at 4.2 V, dimensions (mm): 17.3 x 23.30 – weight: 10 grams. By default, the module is configured to provide 1 A of current.
Warning! If using the micro USB connection, make sure to use a USB cable designed to carry at least 1 A.
Technical specifications
- Input voltage (via micro USB connector or pads): from 4.35V to 6V (5 VDC)
Resistor for charge current
| RPROG (kohm) | IBAT (mA) |
| 10 | 130 |
| 5 | 250 |
| 4 | 300 |
| 3 | 400 |
| 1.66 | 690 |
| 1.5 | 780 |
| 1.33 | 900 |
| 1.2 | 1000 |
Documentation and useful links
Technical details
| Charge termination voltage | 4.2 V (+/- 1%) |
|---|---|
| Charge current | max 1000 mA |
| Overcharge protection voltage (VOCP) | 4.3 V |
| Overcurrent protection voltage (VOIP) | 150 mV |
| Dimensions (mm) | 17.3 x 23.30 x 3.7 |
| Weight | 10 grams |
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