Usb c passthrough

fgihl·usb-c-passthrough·pcb/usb-passthrough.kicad_pcb

Usb c passthrough PCB layout, top view — open source board by fgihl

About the Usb c passthrough PCB

Usb c passthrough is an open source PCB design by fgihl, published on GitHub under the MIT license. It is a 4-layer board measuring 65 × 40 mm, with 45 components from 24 distinct parts.

Other key parts include the TS3USB221RSER, CP2102N-A02-GQFN24R, TPS259470ARPWR and TMUX1574PW. By type, the board carries 13 resistors, 11 capacitors, 10 diodes, 4 ICs, 3 connectors and 2 transistors.

It belongs with the power & battery designs in this gallery.

From the project

A USB 2.0 (480 Mbit/s) passthrough board that can electrically "unplug" a USB connection under software control — used for Hardware-in-the-Loop (HIL) testing. A control port drives GPIO lines to disconnect or reconnect the D+/D− data lines, the CC lines, and VBUS independently.

A USB 2.0 (480 Mbit/s) passthrough board that can electrically "unplug" a USB connection under software control — used for Hardware-in-the-Loop (HIL) testing. A control port drives GPIO lines to disconnect or reconnect the D+/D− data lines, the CC lines, and VBUS independently.

USB 3.x SuperSpeed lanes are intentionally not routed — this revision targets USB 2.0 High-Speed only, which covers the vast majority of HIL test cases while keeping the BOM and routing simple. USB Power Delivery up to 20 V / 3 A (60 W) and BC 1.2 charging are supported.

Main components on the Usb c passthrough

TS3USB221RSER CP2102N-A02-GQFN24R TPS259470ARPWR TMUX1574PW

Usb c passthrough bill of materials (BOM)

45 components, 24 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	TS3USB221RSER	RSE10	U2
1	CP2102N-A02-GQFN24R	QFN-24-1EP_4x4mm_P0.5mm_EP2.65x2.65mm	U3
1	TPS259470ARPWR	IC_TPS25974ARPWR	U4
1	TMUX1574PW	TSSOP-16_4.4x5mm_P0.65mm	U5
2	AO3400A	SOT-23	Q1, Q2
2	USB_C_16_FEMALE	USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A	J1, J2
1	C456014 USB_B	USB_B_Lumberg_2411_02_Horizontal	J3
1	C2297 GREEN	LED_0805_2012Metric	LED2
1	RED	LED_0603_1608Metric	LED_FLT1
2	SMF24CA	D_SOD-123F	D1, D2
1	BZT52C4V7	D_SOD-323	D3
7	C5371128 ~	D_0402_1005Metric	D6, D7, D8, D9, D10, D11, D12
2	1UF 1uF	C_1206_3216Metric	C2, C8
1	C52923 1µF	C_0402_1005Metric	C3
5	100NF 100nF	C_0402_1005Metric	C4, C6, C7, C9, C10
1	C19666 4.7µF	C_0603_1608Metric	C5
2	10NF 10nF	C_0402_1005Metric	C11, C12
1	1K	R_0603_1608Metric	R1
2	470	R_0603_1608Metric	R2, R4
1	820	R_0603_1608Metric	R3

Show 4 more

Qty	Part	Footprint	Refs
4	10K 10k	R_0805_2012Metric	R5, R8, R9, R11
1	22K 22k	R_0603_1608Metric	R6
1	47K 47k	R_0603_1608Metric	R7
3	12K 12k	R_0603_1608Metric	R12, R13, R14

Usb c passthrough design files

The KiCad project lives in the fgihl/usb-c-passthrough repository on GitHub; these links point at the commit this page was built from.

Layoutpcb/usb-passthrough.kicad_pcb
Schematicpcb/usb-passthrough.kicad_sch
BOMpcb/production/usb-passthrough_v1.1_bom.csv

Usb c passthrough: common questions

How big is the Usb c passthrough PCB?

The Usb c passthrough measures 65 × 40 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the Usb c passthrough?

45 components, from 24 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Usb c passthrough design files?

From the fgihl/usb-c-passthrough repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Usb c passthrough design in my own project?

Yes, under the terms of its MIT license, which fgihl chose for the repository.

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