ATECC608A-Croquette
ElectronicCats·ATECC608A-Croquette·Kicad Files/ATECC608A.kicad_pcb
About the ATECC608A-Croquette PCB
ATECC608A-Croquette is an open source PCB design by ElectronicCats, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 26.7 × 22.8 mm, with 6 components from 5 distinct parts.
Other key parts include the ATECC608A-SSHDA. By type, the board carries 3 resistors, 1 IC, 1 connector and 1 capacitor.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Electronic Croquette Cats ATECC608 Breakout Board Cryptographic co-processor with secure hardware-based key storage
PCB files for the Electronic Cats Croquette ATECC608.
Format is KiCAD schematic and board layout
The ATECC608 is the latest crypto-auth chip from Microchip, and it uses I2C to send/receive commands. Once you 'lock' the chip with your details, you can use it for ECDH and AES-128 encrypt/decrypt/signing. There's also hardware support for random number generation, and SHA-256/HMAC hash functions to greatly speed up a slower micro's cryptography commands.

Main components on the ATECC608A-Croquette
ATECC608A-Croquette bill of materials (BOM)
6 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATECC608A-SSHDA | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | 0.1uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1 |
| 1 | 180 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 2 | 4K7 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2, R3 |
ATECC608A-Croquette design files
The KiCad project lives in the ElectronicCats/ATECC608A-Croquette repository on GitHub; these links point at the commit this page was built from.
ATECC608A-Croquette: common questions
How big is the ATECC608A-Croquette PCB?
The ATECC608A-Croquette measures 26.7 × 22.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ATECC608A-Croquette?
6 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the ATECC608A-Croquette design files?
From the ElectronicCats/ATECC608A-Croquette repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ATECC608A-Croquette design in my own project?
Yes, under the terms of its GPL-3.0 license, which ElectronicCats chose for the repository.
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