BQ24075 is used as the battery charging management chip, which supports charging and discharging at the same time, supports path management, and automatically adjusts the current path according to the load.
TPS63020 automatically steps up and down, providing a stable 5V output that can be turned off.
TLV70033 low IQ LDO efficiently provides 3.3V output to the control circuit.
The PS switching pad and the EN switching pad are reserved, and the EN control pin is also introduced, which can be enabled by pulling up in the board or using external control.
The lead-out pin spacing is an integer multiple of 100mil, which can theoretically be inserted into a perforated board or breadboard.
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