MCHPATECC608A-MAHDA
Overview
The ATECC608A-MAHDA is a secure element from Microchip's CryptoAuthentication family designed to provide hardware-based key storage and cryptographic acceleration. It supports ECDSA sign-verify, ECDH key agreement, and AES-128 encryption to secure IoT nodes and prevent cloning. The device connects via a standard I2C interface and operates with a supply voltage between 2.0V and 5.5V.
Why Choose This Part
This chip features a high-quality NIST SP 800-90A/B/C random number generator and dedicated hardware support for networking key management (PRF/HKDF) used in TLS 1.2 and 1.3. It significantly reduces power consumption during cryptographic operations compared to software implementations, drawing as little as 2mA while waiting for I/O and 150uA in sleep mode.
Applications
Key Specifications
Getting Started
To begin development, engineers can use the CryptoAuthTrust Platform development kit (DT100104) and Microchip's CryptoAuthLib library, which is portable across various MCU architectures. Configuration is typically performed using the Trust Platform Design Suite to define slot configurations and key permissions before locking the device.
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