BurningElectronics YT

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Eduard

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KAI CHIN

TAIWAN,China
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Description

I2C controllable buck-boost converter (2Layer version)

NEW VERSION HERE: https://www.pcbway.com/project/shareproject/NEW_I2C_controllable_buck_boost_converter_V3_0_b1095f66.html

WARNING! The 2 layer version pcb has not been tested in live

The 2 layer version has lower cost.

This is a buck-boost converter based on the TPS55289. This converter is I2C controllable, which means you can control it's output voltage with any arduino, any esp32, stm32 etc...any MCU.

INPUT VOLTAGE: 3V-30V

OUTPUT VOLTAGE (no load): 0.9V-21.4V in 10mV steps OR

OUTPUT VOLTAGE (no load): 0.9V-10V in 5mV steps

Dimensions(WxLxH): 31.7x54.6x16.5(mm), 1.25*2.15*0.65(in)

Order instruction: 2 layer, 4mil track spacing, 0.25mm+ min hole size

For more info on how to control the board see the video on YT:

Download BOM(Bill of materials)

Oct 02,2025

1,455 views

I2C controllable buck-boost converter (2Layer version)

This module is a Buck-Boost converter that you can control with I2C, any MCU supported. Arduino, esp32, stm32 etc...

1455

10.00 (1)

Published: Oct 02,2025

Standard PCB

BOM(Bill of materials)

Centroid file

PCBWay Donate 10% cost To Author

Only PCB

PCB+Assembly

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Project images are for reference only. Actual production is based on the manufacturing files on the project page. Please review the designer's notes (e.g., PCB thickness) and select the appropriate options. PCBWay is not responsible for issues caused by unsuitable parameter selections.
For more important ordering information, please refer to Read More

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