Li-Ion battery charging module with a step-up DC/DC converter is designed on a single printed circuit board to facilitate its installation in various devices. The module schematically consists of 2 parts, a Li-Ion battery charging circuit made on a TP4056 (TC4056) microcircuit and a voltage boosting pulse circuit on an MT3608 converter.
Specifications:
Charge Controller:
Input voltage: DC 4.5V-5.5V
Output voltage: DC 4.2V
Charge current: up to 1A (adjustable by replacing the resistor on the second leg of the MC, default 1A)
Charging process indication - red LED.
Charging completion indication - green (blue) LED.
Voltage converter:
Input voltage: from 2V to 24V (attention the module is not equipped with a Li-Ion battery protection controller)
Fixed conversion frequency 1.2MHz
Internal 4A key
Adjustable output voltage from 4.2V to 28V, using a trimming resistor on the board (there are terminals for connecting an external resistor).
Efficiency up to 97%
Module size 34x24x5 mm
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
