# USB-C to 4 USB-A Hub V1 8PpX ## Description Introducing my USB-C to 4 USB-A Hub V1, a compact and efficient solution for expanding your device's connectivity. Easily connect multiple USB-A peripherals to a single USB-C port. The USB-C and USB-A high speed differential pairs were done with the help of Flux Automated Impedance Control. #USBCHub #Connectivity #project ## Project Details - **Owner:** moffingersemi - **Created:** 1/24/2024 - **Last Updated:** 1/24/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Forks:** 44 ## Key Components ### D1 — [EMI2121MTTAG](https://www.flux.ai/vasy_skral/emi2121mttag.md) - Manufacturer Part Number: EMI2121MTTAG - Manufacturer Name: ON Semiconductor - Datasheet URL: http://www.onsemi.com/pub/Collateral/EMI2121MT-D.PDF - Part Type: Protection - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 4] - GND [pin 3] - GND [pin 5] - GND [pin 9] - In_1- [pin 2] - In_1+ [pin 1] - Out_1- [pin 7] - Out_1+ [pin 8] - VDD [pin 6] ### D2 — [EMI2121MTTAG](https://www.flux.ai/vasy_skral/emi2121mttag.md) - Manufacturer Part Number: EMI2121MTTAG - Manufacturer Name: ON Semiconductor - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: http://www.onsemi.com/pub/Collateral/EMI2121MT-D.PDF - Part Type: Protection **Pins:** - GND [pin 4] - GND [pin 3] - GND [pin 5] - GND [pin 9] - In_1- [pin 2] - In_1+ [pin 1] - Out_1- [pin 7] - Out_1+ [pin 8] - VDD [pin 6] ### D3 — [EMI2121MTTAG](https://www.flux.ai/vasy_skral/emi2121mttag.md) - Datasheet URL: http://www.onsemi.com/pub/Collateral/EMI2121MT-D.PDF - Part Type: Protection - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: ON Semiconductor - Manufacturer Part Number: EMI2121MTTAG **Pins:** - GND [pin 4] - GND [pin 3] - GND [pin 5] - GND [pin 9] - In_1- [pin 2] - In_1+ [pin 1] - Out_1- [pin 7] - Out_1+ [pin 8] - VDD [pin 6] ### D4 — [EMI2121MTTAG](https://www.flux.ai/vasy_skral/emi2121mttag.md) - Manufacturer Name: ON Semiconductor - Manufacturer Part Number: EMI2121MTTAG - Part Type: Protection - Datasheet URL: http://www.onsemi.com/pub/Collateral/EMI2121MT-D.PDF - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 4] - GND [pin 3] - GND [pin 5] - GND [pin 9] - In_1- [pin 2] - In_1+ [pin 1] - Out_1- [pin 7] - Out_1+ [pin 8] - VDD [pin 6] ### D5 — [EMI2121MTTAG](https://www.flux.ai/vasy_skral/emi2121mttag.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: http://www.onsemi.com/pub/Collateral/EMI2121MT-D.PDF - Part Type: Protection - Manufacturer Name: ON Semiconductor - Manufacturer Part Number: EMI2121MTTAG **Pins:** - GND [pin 4] - GND [pin 3] - GND [pin 5] - GND [pin 9] - In_1- [pin 2] - In_1+ [pin 1] - Out_1- [pin 7] - Out_1+ [pin 8] - VDD [pin 6] ### IC1 — [USB2514B-I/M2](https://www.flux.ai/vasyl/usb2514b-im2.md) - Manufacturer Name: Microchip Technology - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/00001692C.pdf - Manufacturer Part Number: USB2514B-I/M2 - Part Type: Integrated Circuit **Pins:** - CRFILT [pin 14] - HS_IND/CFG_SEL1 [pin 25] - OCS_N1 [pin 13] - OCS_N2 [pin 17] - OCS_N3 [pin 19] - OCS_N4 [pin 21] - PLLFILT [pin 34] - PRTPWR1/BC_EN1 [pin 12] - PRTPWR2/BC_EN2 [pin 16] - PRTPWR3/BC_EN3 [pin 18] - PRTPWR4/BC_EN4 [pin 20] - RBIAS [pin 35] - RESET_N [pin 26] - SCL/SMBCLK/CFG_SEL0 [pin 24] - SDA/SMBDATA/NON_REM1 [pin 22] - SUSP_IND/LOCAL_PWR/NON_REM0 [pin 28] - TEST [pin 11] - USBDM_DN1/PRT_DIS_M1 [pin 1] - USBDM_DN2/PRT_DIS_M2 [pin 3] - USBDM_DN3/PRT_DIS_M3 [pin 6] - USBDM_DN4/PRT_DIS_M4 [pin 8] - USBDM_UP [pin 30] - USBDP_DN1/PRT_DIS_P1 [pin 2] - USBDP_DN2/PRT_DIS_P2 [pin 4] - USBDP_DN3/PRT_DIS_P3 [pin 7] - USBDP_DN4/PRT_DIS_P4 [pin 9] - USBDP_UP [pin 31] - VBUS_DET [pin 27] - VDD33 [pin 15] - VDD33 [pin 23] - VDDA33 [pin 36] - VDDA33 [pin 29] - VDDA33 [pin 10] - VDDA33 [pin 5] - VSS [pin 37] - XTALIN/CLKIN [pin 33] - XTALOUT [pin 32] ### J1 — [PJ-051AH](https://www.flux.ai/vasy_skral/pj-051ah.md) - Manufacturer Name: CUI Devices - Datasheet URL: https://www.cuidevices.com/product/resource/digikeypdf/pj-051ah.pdf - Manufacturer Part Number: PJ-051AH - Part Type: Connector **Pins:** - Center Pin [pin 1] - MountPin [pin MP2] - MountPin [pin MP1] - Switch [pin 3] - Terminal [pin 2] ### U1 — [MIC2026-1BM](https://www.flux.ai/adrian95/mic2026-1bm.md) - Manufacturer Name: Microchip Technology - Datasheet URL: https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/MIC2026-MIC2076-Dual-Channel-Power-Distribution-Switch-DS20006443A.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: MIC2026-1BM **Pins:** - ENA [pin 1] - ENB [pin 4] - FLGA [pin 2] - FLGB [pin 3] - GND [pin 6] - IN [pin 7] - OUTA [pin 8] - OUTB [pin 5] ### U2 — [MIC2026-1BM](https://www.flux.ai/adrian95/mic2026-1bm.md) - Manufacturer Name: Microchip Technology - Datasheet URL: https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/MIC2026-MIC2076-Dual-Channel-Power-Distribution-Switch-DS20006443A.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MIC2026-1BM - Part Type: Integrated Circuit **Pins:** - ENA [pin 1] - ENB [pin 4] - FLGA [pin 2] - FLGB [pin 3] - GND [pin 6] - IN [pin 7] - OUTA [pin 8] - OUTB [pin 5] ### U4 — [MIC5504-3-3YM5-TR](https://www.flux.ai/adrian95/mic5504-3-3ym5-tr.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Microchip Technology - Part Type: Integrated Circuit - Datasheet URL: https://datasheet.octopart.com/MIC5504-3.3YM5-TR-Microchip-datasheet-142675560.pdf - Manufacturer Part Number: MIC5504-3.3YM5-TR **Pins:** - EN [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] ### USB-C — [SS-52400-003](https://www.flux.ai/vasy_skral/ss-52400-003.md) - Datasheet URL: https://belfuse.com/resources/drawings/stewartconnector/dr-stw-ss-52400-003.pdf - Manufacturer Part Number: SS-52400-003 - Manufacturer Name: Stewart Connector - Part Type: USB C **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND/SHIELD [pin S3] - GND/SHIELD [pin G2] - GND/SHIELD [pin G3] - GND/SHIELD [pin G4] - GND/SHIELD [pin S4] - GND/SHIELD [pin G1] - GND/SHIELD [pin S1] - GND/SHIELD [pin S2] - GNDA1 [pin A1] - GNDA2 [pin A12] - GNDB1 [pin B1] - GNDB2 [pin B12] - SBU1 [pin A8] - SBU2 [pin B8] - SSRXN1 [pin B10] - SSRXN2 [pin A10] - SSRXP1 [pin B11] - SSRXP2 [pin A11] - SSTXN1 [pin A3] - SSTXN2 [pin B3] - SSTXP1 [pin A2] - SSTXP2 [pin B2] - VBUSA1 [pin A4] - VBUSA2 [pin A9] - VBUSB1 [pin B4] - VBUSB2 [pin B9] ### USB1 — [USB-A1VSB6](https://www.flux.ai/vasyl/usb-a1vsb6.md) - Part Type: USB A - Manufacturer Part Number: USB-A1VSB6 - Manufacturer Name: OST - Datasheet URL: https://www.snapeda.com/parts/USB-A1VSB6/On%20Shore/datasheet/ **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - SHIELD [pin S1] - SHIELD__1 [pin S2] - VUSB [pin 1] ### USB2 — [USB-A1VSB6](https://www.flux.ai/vasyl/usb-a1vsb6.md) - Manufacturer Name: OST - Datasheet URL: https://www.snapeda.com/parts/USB-A1VSB6/On%20Shore/datasheet/ - Part Type: USB A - Manufacturer Part Number: USB-A1VSB6 **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - SHIELD [pin S1] - SHIELD__1 [pin S2] - VUSB [pin 1] ### USB3 — [USB-A1VSB6](https://www.flux.ai/vasyl/usb-a1vsb6.md) - Part Type: USB A - Manufacturer Part Number: USB-A1VSB6 - Manufacturer Name: OST - Datasheet URL: https://www.snapeda.com/parts/USB-A1VSB6/On%20Shore/datasheet/ **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - SHIELD [pin S1] - SHIELD__1 [pin S2] - VUSB [pin 1] ### USB4 — [USB-A1VSB6](https://www.flux.ai/vasyl/usb-a1vsb6.md) - Manufacturer Part Number: USB-A1VSB6 - Part Type: USB A - Datasheet URL: https://www.snapeda.com/parts/USB-A1VSB6/On%20Shore/datasheet/ - Manufacturer Name: OST **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - SHIELD [pin S1] - SHIELD__1 [pin S2] - VUSB [pin 1] ### X1 — [Crystal-oscillator-4P-ABM3C](https://www.flux.ai/vasy_skral/crystal-oscillator-4p-abm3c.md) - Manufacturer Name: Abracon LLC - Part Type: Oscillator - Frequency: 24MHz - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 2] - GND [pin 4] - IN/OUT [pin 1] - OUT/IN [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/moffingersemi/usb-c-to-4-usb-a-hub-v1-8ppx](https://www.flux.ai/moffingersemi/usb-c-to-4-usb-a-hub-v1-8ppx).* --- *Generated from [https://www.flux.ai/moffingersemi/usb-c-to-4-usb-a-hub-v1-8ppx](https://www.flux.ai/moffingersemi/usb-c-to-4-usb-a-hub-v1-8ppx)*