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Home / Development Boards & Control Boards / BUCK-BOOST Digital Control STM32 Bidirectional Step-Up/Step-Down Converter Development Board for Switching Power Supply Learning

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller Unit STM32F103C8T6
Input Voltage Range 12V to 24V DC
Output Voltage Range 5V to 30V DC
Maximum Output Current 5A Continuous
Converter Topology Synchronous Buck-Boost
Communication Interface UART via USB-TTL
PCB Dimensions 100mm x 80mm x 20mm
Protection Features OCP, OVP, OTP, UVP
Current Sampling Low-side Shunt Resistor
Programming Interface SWD Debug Port

5 reviews

A

Anonymous

Apr 16, 2026

Rating: 5/5

Great Value for Money

Compared to building one from scratch, this kit saves so much time. The protection features give peace of mind during testing.

A

Anonymous

Mar 12, 2026

Rating: 5/5

Perfect for Prototyping

Used this for a university project on bidirectional energy flow. It performed flawlessly within the specified voltage ranges.

A

Anonymous

Mar 04, 2026

Rating: 4/5

Runs Warm at Max Load

Functionality is great, but the heatsink gets quite hot when drawing close to 5A. Ensure adequate ventilation during operation.

A

Anonymous

Feb 14, 2026

Rating: 4/5

Good Hardware, Average Docs

The hardware quality is solid and components are genuine. However, the user manual could be more detailed regarding register configuration.

A

Anonymous

Jan 29, 2026

Rating: 5/5

Excellent Learning Tool

This board helped me understand digital power supply control loops. The STM32 code is well structured and easy to follow.

5 FAQ

Q: Can this board handle regenerative braking loads?

A: Yes, the bidirectional topology supports power flow from output to input, suitable for regenerative scenarios.

Q: Does it come with a power adapter?

A: No, the board is a development kit. You need to provide your own DC power source and load.

Q: What software is needed to monitor the voltage?

A: Any standard serial terminal works. We also provide a basic Python script for data logging.

Q: Is isolation provided between input and output?

A: No, this is a non-isolated buck-boost converter. Please ensure common ground considerations.

Q: Is the source code available for modification?

A: Yes, we provide a GitHub repository link in the user manual with commented C code for the STM32.

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