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Dot matrix game console power board

Overview

This project is a power board specially designed for the https://oshwhub.com/Kirito/zhang-shang-dian-zhen-you-hu-ji dot matrix game console. It supplies power to the dot matrix game console and can be used together with the motherboard to get rid of the power supply. Wire!

The power solution uses the TP5400 chip, which integrates charging and discharging functions. The peripheral circuit is simple, the quiescent current is small, the conversion efficiency is high, and it can be played for several hours.

The upper USB directly supplies power to the motherboard, and the lower USB is used to charge the battery. The output power is small during charging, so you cannot charge and play at the same time. See the attached video for specific demonstration.

PCB:

Fit:

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-19 23:51:01

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