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[Open Source] SC8703-Based Adjustable Buck-Boost DC/DC Power Supply | Voltage & Current Adjustable, PD Fast Charge Input Supported
Electronics / Circuits

[Open Source] SC8703-Based Adjustable Buck-Boost DC/DC Power Supply | Voltage & Current Adjustable, PD Fast Charge Input Supported

An open-source buck-boost DC/DC module based on SC8703 accepts 2.7–36V input and outputs 1.21–36V with up to 10A, adjustable current limit, 600kHz switching, and 95.45% peak efficiency. It includes XT30 and Type-C PD input via CH224Q. Provided files: KiCad project, Gerbers, BOM, stencils, interactive BOM, and 3D models. Proper heatsinking is required; bare-board operation is recommended below 5A.

发布于 2026-02-23
Open-Source USB 10 Gbps Hub with 2.5 Gbps Ethernet & TF/SD Card Reader (VL822+RTL8156BG+GL3224)
Electronics / Circuits

Open-Source USB 10 Gbps Hub with 2.5 Gbps Ethernet & TF/SD Card Reader (VL822+RTL8156BG+GL3224)

An open-source USB-C dock integrates four 10Gbps USB-A ports, 2.5G Ethernet, and TF/SD readers using VL160, VL822, RTL8156BG, GL3224. It accepts 4-20V input, buck-boosts to 5.1V with up to 9.5A, supporting PD fast charging. Tests show USB read/write 969.65/912.65 MB/s, Ethernet 2089/2497 Mbps, card read 93.04 MB/s, efficiency up to 91.79%. Schematics, PCB files, and replication notes are provided.

发布于 2025-04-29

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