Charge/discharge controller, protection board 1S Li-ion TP4056 1A USB Type-C
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Charge/discharge controller, protection board 1S Li-ion TP4056 1A USB Type-C

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This charge/discharge controller, designed for building portable power banks and similar applications, features a TP4056 chip for linear constant voltage/constant current charging of single-cell Li-ion batteries. It supports a rated charging current of 1.0A and includes comprehensive current protection.

Key Features:

  • Chipset: TP4056 for charging and DW01-P for battery protection.
  • Charging Current: 1.0A
  • Input Voltage: 5V via USB Type-C
  • Charging Voltage Precision: ±1.5%
  • Protection Modes:
    • Overcharge Protection: Stops charging when voltage exceeds 4.2V.
    • Over-discharge Protection: Prevents discharge below 2.45V.
    • Overcurrent Protection: Limits discharge current to 3.0A.
  • Charge Indicators:
    • Red: Charging
    • Green (or Blue): Fully Charged
  • Connections:
    • Battery: Connect to "B+" and "B-"
    • Load: Connect to "OUT+" and "OUT-"
    • Input Voltage: Can be supplied via "+" and "-" other than the USB interface.
  • Additional Features:
    • Parallel battery connection is possible.
    • Includes step-up converter compatibility.

This charge/discharge controller, designed for building portable power banks and similar applications, features a TP4056 chip for linear constant voltage/constant current charging of single-cell Li-ion batteries. It supports a rated charging current of 1.0A and includes comprehensive current protection.

Key Features:

  • Chipset: TP4056 for charging and DW01-P for battery protection.
  • Charging Current: 1.0A
  • Input Voltage: 5V via USB Type-C
  • Charging Voltage Precision: ±1.5%
  • Protection Modes:
    • Overcharge Protection: Stops charging when voltage exceeds 4.2V.
    • Over-discharge Protection: Prevents discharge below 2.45V.
    • Overcurrent Protection: Limits discharge current to 3.0A.
  • Charge Indicators:
    • Red: Charging
    • Green (or Blue): Fully Charged
  • Connections:
    • Battery: Connect to "B+" and "B-"
    • Load: Connect to "OUT+" and "OUT-"
    • Input Voltage: Can be supplied via "+" and "-" other than the USB interface.
  • Additional Features:
    • Parallel battery connection is possible.
    • Includes step-up converter compatibility.
  • Charging Method: Linear
  • Charging Voltage Deviation: ≤1.5%
  • Protection Thresholds:
    • Overcharge: 4.19V - 4.21V
    • Over-discharge: 2.39V - 2.45V
    • Discharge Current Protection: 3.0A
  • Size: 26 x 17 x 3mm
  • Weight: 1.5g

Note: This device does not include protection against incorrect input or battery connections.