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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
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
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