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STD 2104-USB-HUB-with-switch

License: BSD

Mode: Editors' pick

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Update time: 2022-01-27 08:53:45
Creation time: 2021-04-24 14:46:22
Description

Normally you'd just buy KVM switch (keyboard-video-mouse) for that purpose from the shelf, but I've decided to build one myself. Few reasons why:
- I don't need display switch, most of the displays have multiple inputs and able to switch automatically. Therefore I need KM-switch really.
- Of-the-shelf switches are quite expensive, as it turns out.
- I want to have USB hub built int, that is rarely the case for of-the-shelf units.
- Designing device for yourself is fun I want to do that

In this project I'm using 
- TS3USB30E USB switch
- NE555 button controlled bi-stable vibrator
- TPS2115APW power manager
- FE1.1S USB hub
- USBLC6 for ESD protection

Design Drawing
schematic diagram
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ID Name Designator Footprint Quantity BOM_Supplier BOM_Supplier Part
1 12MHz X1 OSC-SMD_4P-L3.2-W2.5-BL 1 LCSC C9002
2 100K R5,R10,R13,R14 R0402 4 LCSC C25741
3 10K R2,R4,R3,R1 R0402 4 LCSC C25744
4 10uF C1,C2,C5,C3,C6,C10,C11,C12 C0805 8 LCSC C15850
5 TPS2115APW U2 TSSOP-8_L4.4-W3.0-P0.65-LS6.4-BL 1 LCSC C70287
6 1K R6,R7,R15,R16,R11,R19,R23 R0402 7 LCSC C11702
7 USBLC6-2SC6 D3,D1 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR 2 LCSC C7519
8 SW SW1 SW-SMD_4P-L5.2-W5.2-P3.70-LS6.4 1 LCSC C318889
9 FE1.1S U4 SSOP-28_L9.9-W3.9-P0.64-LS6.0-BL 1 LCSC C9359
10 PORT3 LED4 LED0603-R-RD 1 LCSC C2286
11 PORT4 LED3 LED0603-R-RD 1 LCSC C2286
12 PORT2 LED5 LED0603-R-RD 1 LCSC C2286
13 PORT1 LED6 LED0603-R-RD 1 LCSC C2286
14 ACT LED7 LED0603-R-RD 1 LCSC C2286
15 SRC_2 LED2 LED0603-R-RD 1 LCSC C2286
16 SRC_1 LED1 LED0603-R-RD 1 LCSC C2286
17 UPSTREAM_1 LED8 LED0603-R-RD 1 LCSC C2286
18 UPSTREAM_2 LED9 LED0603-R-RD 1 LCSC C2286
19 NE555DR U1 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1 LCSC C7593
20 DOWN12 USB1 USB-A-TH_USB-M-51 1 LCSC C2341
21 DOWN34 USB2 USB-A-TH_USB-M-51 1 LCSC C2341
22 SW J1 HDR-M-2.54_1X2 1 LCSC C124375
23 10 R17,R18,R21,R22,R8,R12 R0402 6 LCSC C25077
24 1uF C17 C0402 1 LCSC C52923
25 100nF C16,C9,C4,C7,C8 C0402 5 LCSC C1525
26 TS3USB30EDGSR U5 VSSOP-10_L3.0-W3.0-P0.50-LS4.9-BL 1 LCSC C131998
27 B5819W_C8598 D2,D4 SOD-123_L2.8-W1.8-LS3.7-RD 2 LCSC C8598
28 MICROXNJ UPSTREAM_2,UPSTREAM_1 MICRO-USB-SMD_MICROXNJ 2 LCSC C404969
29 47K R9 R0402 1 LCSC C25792
30 2.7K R20 R0603 1 LCSC C13167
31 22pF C14,C15 C0402 2 LCSC C1555
32 UPSTREAM_2 U6 R0603 1 LCSC C305605
33 UPSTREAM_1 U3 R0603 1 LCSC C305605

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