This design is a digitally controlled DCDC converter. MCU is used to control the output voltage of the DCDC converter to achieve the purpose of numerical control. Considering the time and cost, finished modules are used for verification. This design idea is simple and reliable. And the advantages of low cost and high flexibility. The function to be realized is to control the output voltage of the DCDC module with buttons, and digitally display the voltage value and current value.
The modules used are as follows:
Main control MCU: GD32E231start development board.
DCDC module: XL6009 lifting Voltage module.
Current measurement: MAX471 current measurement module.
Button: TTP224 capacitive touch button module.
Display: TM1638 digital tube module.
Blockdiagram
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