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DC-DC Charge/Discharge - 5V/2A

SKU:

25-00016911

Part Number: DFR1026

CompanyDFRobot Part NumberDFR1026

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Description
Specifications

This is a DC charging and discharging integrated module, with 5V normally open output, which is not affected by load access and has a maximum load current of 2A. It features 4 levels of charge/discharge electricity indication and button-controlled output. The module comes with a built-in power management circuit that boosts a lithium battery to 5V and supports charging and discharging simultaneously. Besides, it has battery protection which makes it applicable for batteries without a protective board.

Note:

The KEY function is invalid in charging mode. In discharging mode, short press the button once to enable output, and the indicator turns on; Long press for about 10s to disable the output, and the indicator turns off this time. The indicator goes off after 35s when there is no operation in discharging mode. When charging and discharging at the same time, please enable input and output to keep a balance, thus extending module service life.

Features

4 levels of charge/discharge electricity indication
Button-controlled output
Built-in power management circuit

Applications

Car charging retrofit
Driving recorder power supply
DIY mobile power bank
Mobile phone/laptop portable charging device

Charge Voltage: DC 4.6V to 5.4V(Typical 5V)
Input Current: 2A-3A
Charge Current: 0-2.1A
Fully-charged Voltage: 4.2V±1%
Charging quiescent current: 100uA
Discharge Current: 0-3.5A
Discharge quiescent current: 50uA
Output Voltage: 5V
Output Current: 0-2.1A
Boost Efficiency: ≤92%
Charge Efficiency: ≤91%
Discharge Efficiency: ≤96%
Ambient Temperature: -20℃ to +85℃
Pad Pitch: 2.54mm
Pad Hole Diameter: 1mm
Dimension: 25*16mm/0.98*0.63”
Lithium Battery Protection: over-current, over-voltage, over-temperature, short circuit protection