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ATECC508A-MAHCZ-T

MCHPATECC508A-MAHCZ-T

Microchip Technology
Authentication Chip 8-UDFN (2x3)
NRND23,716 in stock
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Overview

The ATECC508A-MAHCZ-T is a secure element from Microchip Technology designed for hardware-based key storage and cryptographic acceleration. It implements high-speed public key algorithms including ECDSA and ECDH to provide robust authentication and encryption for IoT devices and networked systems. The chip includes a 10KB EEPROM for secure data storage and features a high-quality FIPS random number generator.

Why Choose This Part

This component offers ultra-low power consumption with a sleep current as low as 0.15 uA and a typical standby current of 800 uA. It offloads computationally intensive ECC algorithms from the main MCU, with a run current of 16 mA during ECC execution. The 8-UDFN package provides a compact 2x3 mm footprint suitable for space-constrained wearable and mobile designs.

Applications

IoT Node Authentication
Providing secure identity for smart home and industrial IoT devices to prevent unauthorized access to cloud services.
Ecosystem Control
Ensuring only authorized peripherals or consumables can interact with a host system through cryptographic handshake protocols.
Secure Boot and Firmware Validation
Storing public keys and certificates to verify the integrity and authenticity of firmware updates before execution.
Session Key Generation
Utilizing the ECDH algorithm to securely agree on ephemeral session keys for encrypted communication between nodes.

Key Specifications

Type Authentication Chip
Applications Networking and Communications
Mounting Type Surface Mount
Package / Case 8-UFDFN Exposed Pad
Supplier Device Package 8-UDFN (2x3)

Getting Started

To begin development, engineers can use the Microchip CryptoAuth Trust Platform which supports the ATECC series. Integration is typically handled via the I2C interface, and Microchip provides the CryptoAuthentication Library (CAL) to simplify software implementation on various microcontroller platforms.

Also Consider

ATECC608B MCHPMicrochip Technology - This is the successor to the 508A, adding enhanced side-channel attack protection and support for more secure key protocols.

Categories

Security ICs > Secure Elements