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Product Detailed Parameters
- Description：SECURE AUTHENTICATION
- Series：A71CH
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Applications：Authentication
- Core Processor：MX51
- Program Memory Type：-
- Controller Series：-
- RAM Size：-
- Interface：I2C
- Number of I/O：-
- Voltage - Supply：2.5V ~ 3.6V
- Operating Temperature：-40°C ~ 90°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-VDFN Exposed Pad
- Supplier Device Package：8-HVSON (4x4)
- Grade：-
- Qualification：-
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Overview
The A7102CHTK2/T0BC2AJ is a customer-programmable security IC from the NXP EdgeLock A71CH series, designed for secure zero-touch IoT connections. It operates within an extended temperature range of -40°C to +90°C and is supplied in an HVSON8 (4x4 mm) package on a reel. The device provides end-to-end security from chip to cloud, featuring a root of trust at the IC level with protected credential access. It supports host processor interfaces for ECC-based authentication, TLS setup (PKI/PSK), and HMAC message authentication. Key storage functions include key wrapping, derivation, and locking mechanisms.
Feature Summary
- Extended temperature operation (-40°C to +90°C)
- HVSON8 (4x4 mm) package
- Customer-programmable security credentials
- ECC authentication and TLS support
Applications
- Secure IoT device provisioning
- Industrial automation security
- Smart metering authentication
Procurement Notes
Verify the ordering suffix T0BC2AJ confirms the extended temperature grade (-40 to +90 °C) and HVSON8 packaging. Confirm the part is designated as 'Customer programmable' rather than pre-provisioned for specific platforms like IBM Watson IoT. Ensure the reel quantity matches project requirements.
Selection Notes
Select this variant over the A7101CHTK2/T0BC2AJ when deployment environments require operation below -25°C or above +85°C. Choose the HVSON8 package if board space allows for a 4x4 mm footprint; otherwise, consider the WLCSP option. Verify that the host MCU can interface with the required cryptographic primitives.
Part Context
This component belongs to the EdgeLock A71CH family, which complements NXP microcontrollers such as the Kinetis K82 and KW41Z. It serves as a discrete security element to enhance cyber resilience in building automation and industrial IoT systems where secure connectivity is critical.
Replacement Considerations
The A7101CHTK2/T0BC2AJ is the standard temperature equivalent. For WLCSP packaging, consider the A7102CHUK/T0BC2VAZ. Pre-provisioned variants like the A7102CHTK2/T0BC2CJ are available for IBM Watson IoT integration.
