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RM Supercapacitor Controller Model Yi - PSP Team

Overview

Note: This version has defects. It is recommended to use the latest version.
Supercapacitor Main Controller Model Yi
Author: Luolin ltyxh - bilibili Pacific Spirit (PSP) Team
. One of the more basic supercapacitor solutions in the team. Dimensions: 68x58mm.
Recommended switching frequency: 200-300kHz .

Standard bidirectional four-switch Buck-boost (FSBB) structure.
Power and control sections are separated. The power board can also be used with other microcontrollers.
Double-layer board, single-sided components, all 0603, relatively easy to solder. The power board

uses TO-252 packaged MOS, 2A drive
inductor, and trace overcurrent capability not less than 15A.
Integrated 5V and 3.3V auxiliary power supplies
. Hardware dead-zone control. Control board:

STM32G431 main controller.
One additional current sampling channel can be used to monitor chassis power
and fan. Optically isolated communication interface.

Design Files

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