HardLabs

CP2112

sneakylizard123-4·CP2112·kicad/CP2112.kicad_pcb

CP2112 PCB layout, top view — open source board by sneakylizard123-4

About the CP2112 PCB

CP2112 is an open source PCB design by sneakylizard123-4, published on GitHub. It is a 4-layer board measuring 50 × 37.5 mm, with 39 components from 16 distinct parts.

Other key parts include the USBLC6-2SC6, CP2112 and TLV75718PDBV. By type, the board carries 13 resistors, 10 capacitors, 8 diodes, 4 connectors, 3 ICs and 1 switch.

It belongs with the usb & debug tools designs in this gallery.

From the project

A small board based on the CP2112 USB to SMBus/I2C

A small board based on the CP2112 USB to SMBus/I2C

- CP2112 HID USB-to-SMBus/I2C - no driver install necessary - USB-C with ESD protection - On-board 1.8V LDO - 8x status LEDs - Breakout headers for I2C/SMBus and GPIO - Slide switch for VIO selection (3.3v/1.8v) - 4-layer PCB, 50 x 37.5 mm, 4x M3 mounting holes

- 4-layer, 50.00 x 37.50 mm, 1.6 mm, 6 copper zones - USB kept close to the CP2112, D+/D- routed short on the top layer - Decoupling caps placed at the CP2112 and LDO pins - All passives 0805 for easy hand assembly

CP2112, from the project README
From the project README

Main components on the CP2112

USBLC6-2SC6CP2112TLV75718PDBV

CP2112 bill of materials (BOM)

39 components, 16 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
USBLC6-2SC6
U1
1
CP2112
U2
1
TLV75718PDBV
U3
1
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J1
2
CONN_01X04
Conn_01x04
J2, J4
1
CONN_02X05_ODD_EVEN
Conn_02x05_Odd_Even
J3
1
SW_SPDT
SW1
8
LED
D1, D2, D3, D4, D5, D6, D7, D8
1
4.7UF
4.7uF
C1
1
1UF
1uF
C2
4
100NF
100nF
C3, C5, C7, C9
4
10UF
10uF
C4, C6, C8, C10
2
5.1K
5.1k
R1, R2
1
10K
10k
R3
2
4.7K
4.7k
R4, R5
8
1k
R6, R7, R8, R9, R10, R11, R12, R13

CP2112 design files

The KiCad project lives in the sneakylizard123-4/CP2112 repository on GitHub; these links point at the commit this page was built from.

CP2112: common questions

How big is the CP2112 PCB?

The CP2112 measures 50 × 37.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the CP2112?

39 components, from 16 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 CP2112 design files?

From the sneakylizard123-4/CP2112 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 CP2112 design in my own project?

The repository has no license, so all rights stay with sneakylizard123-4. Use it as a reference, and ask the author before reusing the design.

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