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100W CNC Buck based on STM32G030

Overview

CNC power supply using G0 series of stm32. There is no interactive method for the F6P6 pin quantity limit. Those who are capable can transplant the encoder to adjust the voltage and current in real time. It is especially suitable for charging lithium batteries and has very versatile
charging voltage and current stability.
The program source code is in the compressed package and can be run after burning without debugging.
For voltage and current modification, see the variable definition at the beginning of the stm32 timer interrupt file. The default 4.2v27A
will be hot if it exceeds the power limit, up to 180w, and 100w can work continuously without heat dissipation;
the current setting is not recommended to exceed 50A, and short-circuit output is not recommended. May cause power supply instability

Design Files

Related Devices

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CSD18540Q5B	Discrete semiconductor;The transistor	Drain-source voltage (Vdss): 60V Continuous drain current (Id) (at 25°C): 100A Gate-source threshold voltage: 2.3V @ 250uA Drain-source on-resistance: 2.2mΩ @ 28A, 10V Maximum power dissipation ( Ta=25°C): 3.1W Type: N-channel	Download
STM32G030F6P6			Download
INA199A1DCKR		SP Amp Current Sense Amp Single 26V 6-Pin SC-70 T/R	Download

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Update:2024-11-22 13:10:27

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