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A USB_HUB that integrates a mobile phone holder and supports a hot-swappable SD card reader

Overview

The HUB chip used is WM7211A, which is removed from a 4.9 free shipping USBHUB;
the SD driver chip is GL823K, and the SD card is designed to support hot swapping. There is no need to disconnect the USB after the computer is ejected.
This design principle uses SD Insert the detection port into the card holder to switch the power supply of the driver chip. You can see the schematic diagram for details. It is currently in normal use.
If any defects occur during use, please inform us in time.
This design changes two device packages, please note.
Note: The project file is in the attachment. This reference is wrong. Use the professional version to open it. I am too lazy to change it.

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:2025-06-14 17:43:23

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