A7101CLTK2/T0BC27J

Overview

The A7101CLTK2/T0BC27J is a secure authentication microcontroller from NXP Semiconductors, belonging to the A71CH series. It functions as a security IC designed for zero-touch connection and end-to-end security in IoT applications. The device provides a hardware root of trust at the IC level, protecting injected credentials with protected access mechanisms. It supports various authentication protocols including TLS-PKI, TLS-PSK, and HMAC for connectionless message authentication. The component features host processor interfaces for encryption and verification, along with protected storage capabilities for key wrapping and derivation.

Feature Summary

• Secure zero-touch connection with end-to-end security from chip to edge to cloud
• IC-level root of trust protection for injected credentials
• Supports TLS-PKI, TLS-PSK, and HMAC authentication protocols
• Protected storage with host master key, key wrapping, and key locking mechanisms

Applications

• IoT device authentication and secure onboarding
• Industrial IoT ranging and radar applications
• Building automation system security

Part Context

This part belongs to the A71CH family of security ICs. The 'A7101' designation typically indicates standard temperature range operation (-25 to +85 °C), while the suffixes denote specific packaging and tape/reel configurations. It serves as a complementary security component to NXP's MCU and MPU platforms like Kinetis and i.MX series.

Replacement Considerations

The SE050A2HQ1/Z01SHZ is listed as a possible replacement or similar product in search results. Both are security/authentication ICs from NXP. Verification of pin compatibility and software integration requirements is necessary before substitution.