5V 2.1A Battery Charging Board For Power Bank

5V 2.1A Battery Charging Board For Power Bank

This is a 5V 2.1A Battery Charging Board For Power Bank. The Battery Charging Board is a single-chip solution design for mobile power. It includes a load management module. And also, an overvoltage protection module.

Features

• 2.1A synchronous boost conversion, 2.1A synchronous switch charging
• Boost efficiency up to 96%
• Charging efficiency is up to 94%
• Constant pressure - constant current standard discharge curve
• Turbulent-constant current-constant voltage standard charging curve
• Adopt patented dual-tube architecture to support side-loading
• Adaptive charging current adjustment, matching various current adapters ◆ Charging voltage accuracy: 0.5%
• Support 4.2/4.3/4.35V battery
• It has OVP protection for charging. When it is over 6V, it can be turned off and can withstand 10V.
• Support 3/4 power display
• Press the button to power on, press and hold for 3 seconds to shut down, standby power consumption is less than 20uA
• Built-in lighting LED driver, maximum current limit 50mA, no current limiting resistor
• Power MOS built-in, single inductor for charging/discharging
• Multiple protection: Output over-current, over-voltage, short-circuit protection; input over-voltage, over-charge, over-discharge, over-current discharge protection; typical application of over-temperature protection

Specifications

• Power indicator : 4 LED
• Board size : 7.2 * 1.8cm
• Input : Micro USB
• Input : 5V 1A / 5V 2.1A
• Output : 5V 1A / 5V 2.1A