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NXP Semiconductors A7101CHTK2/T0BC2BJ
- Part No.:
- A7101CHTK2/T0BC2BJ
- Manufacturer:
- NXP Semiconductors
- Category:
- Application Specific Microcontrollers
- Package:
- 8-VDFN Exposed Pad
- Datasheet:
-
A7101CHTK2/T0BC2BJ.pdf
- Description:
- SECURITY IC STD TEMP HVSON8
- Quantity:
- Payment:
- Shipping:
Inventory:4,633
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Product details
Overview
A7101CHTK2/T0BC2BJ from NXP Semiconductors is a provisioned and programmable security IC designed for secure authentication and cryptographic key management in IoT edge nodes. It operates over I²C interface, supports AES-128 and ECDSA-P256, delivers tamper-resistant storage for up to 16 keys, and is pre-provisioned for IBM Watson IoT platform integration.
For engineers reviewing the A7101CHTK2/T0BC2BJ datasheet, A7101CHTK2/T0BC2BJ pinout, A7101CHTK2/T0BC2BJ application, or A7101CHTK2/T0BC2BJ equivalent, this device serves as a ready-to-deploy hardware root of trust with factory-provisioned credentials, eliminating onboarding complexity for cloud-connected sensors and gateways.
Technical Context
The A7101CHTK2/T0BC2BJ implements a dedicated secure element architecture with a hardened ARM SecurCore SC000 CPU core, isolated memory subsystem, and hardware-accelerated crypto engines for symmetric and asymmetric operations. It enforces strict access control via configurable privilege levels and secure boot verification.
Communication occurs exclusively over a 1 MHz I²C bus with SMBus timeout support and optional CRC-8 packet integrity checking. The device uses a deterministic challenge-response protocol for host authentication and supports secure firmware updates via signed image validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface | I²C (up to 1 MHz), SMBus-compatible with timeout and CRC-8 support |
| Crypto Acceleration | Dedicated hardware engines for AES-128 (ECB/CBC), ECDSA-P256 signing/verification, SHA-256 |
| Secure Storage | 16 configurable key slots with write-once protection and per-key access policies |
| Operating Temp | -25 °C to +85 °C - validated for industrial ambient conditions without derating |
| Package | HVSON8 (2 mm × 3 mm, 0.5 mm pitch) - surface-mount compatible with standard reflow profiles |
| Power Supply | 1.8 V ±10% - low-voltage operation reduces system-level power domain complexity |
Pinout & Package
HVSON8 package: 2 mm × 3 mm body, 0.5 mm lead pitch, wettable flank leads for automated optical inspection. Exposed thermal pad on bottom for enhanced PCB heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | 1.8 V nominal; decoupling capacitor required within 1 cm for stable crypto operation |
| GND | Ground reference | Must connect to main system ground plane; shared with thermal pad for EMI reduction |
| SCL | I²C clock input | Open-drain, requires external pull-up to VDD; supports 1 MHz maximum frequency |
| SDA | I²C data bidirectional | Open-drain, shares pull-up with SCL; supports ACK/NACK and repeated start protocols |
| RESET | Active-low hardware reset | Pulled high internally; assertion clears volatile state and restarts secure boot sequence |
| INT | Interrupt output | Open-drain signal indicating completion of crypto operation or error condition |
| NC | No connect | Pin 7 is unconnected and must remain floating or grounded per layout guidelines |
| NC | No connect | Pin 8 is unconnected and must remain floating or grounded per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| IBM Watson IoT Provisioning | Factory-loaded credentials and TLS root CA certificates enable zero-touch onboarding to IBM Cloud without host-side credential generation |
| Tamper-Resistant Key Storage | Keys stored in non-volatile memory with physical and logical protections against probing, glitching, and side-channel attacks |
| Secure Boot Enforcement | Verifies digital signature of host MCU firmware before execution, preventing unauthorized code injection |
| Configurable Access Policies | Per-key read/write/execute permissions enforced by hardware, enabling multi-tenant key isolation |
| Hardware Random Number Generator | FIPS 140-2 compliant TRNG delivering entropy at >1 Mbps for session key derivation and nonce generation |
Applications
| Smart Industrial Sensor Node | Cloud-Connected Gateway |
|---|---|
Use Scenario: Temperature/humidity sensor node transmitting encrypted telemetry to IBM Watson IoT via LoRaWAN gateway. IC Role / Device Role / Timing Role: Hardware root of trust performing mutual TLS authentication and encrypting sensor payloads using pre-provisioned device identity. Use Value: Eliminates need for host MCU to manage private keys or perform crypto - reduces firmware attack surface and simplifies certification. | Use Scenario: Edge gateway aggregating data from 50+ field devices and forwarding to IBM Cloud with end-to-end integrity. IC Role / Device Role / Timing Role: Secure credential vault and signing engine for gateway identity attestation and firmware update verification. Use Value: Enables trusted device identity propagation across hierarchical IoT deployments without exposing secrets to gateway OS. |
| Asset Tracking Tag | Medical Wearable |
Use Scenario: Battery-powered GPS tracker reporting location every 15 minutes with signed location stamps. IC Role / Device Role / Timing Role: Cryptographic signing unit generating ECDSA-P256 signatures over timestamped location data. Use Value: Provides verifiable origin and freshness of location reports - critical for anti-spoofing compliance in logistics audits. | Use Scenario: ECG patch transmitting patient biometrics to HIPAA-compliant cloud service. IC Role / Device Role / Timing Role: Isolated key manager ensuring encryption keys never leave secure element boundary during AES-GCM payload encryption. Use Value: Meets FDA cybersecurity guidance requirements for protected health information (PHI) confidentiality and device authenticity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure element applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| A7102CHTK2/T0BC2CJ | Extended temperature range (-40 °C to +90 °C); identical crypto features and IBM Watson provisioning | Required for outdoor or automotive under-hood deployments where ambient exceeds +85 °C | Select when operating environment exceeds A7101CHTK2/T0BC2BJ's -25 °C to +85 °C rating |
| SE050T1F1000 | Same HVSON8 package; adds NFC interface and ISO 14443-A support; certified Common Criteria EAL6+ | Suitable for contactless provisioning, mobile payment, or dual-interface (I²C+NFC) use cases | Choose if NFC capability or higher assurance level is required beyond A7101CHTK2/T0BC2BJ's EAL5+ certification |
Compared with A7102CHTK2/T0BC2CJ, the A7101CHTK2/T0BC2BJ offers identical security functionality at lower cost and reduced thermal design margin - ideal for indoor industrial and medical edge devices. Versus SE050T1F1000, it trades NFC and EAL6+ for smaller die size, lower power, and streamlined I²C-only integration.
Availability
A7101CHTK2/T0BC2BJ is available at Aetrix Electronics and suitable for smart sensor nodes, cloud-connected gateways, and medical wearables requiring stable component supply and guaranteed IBM Watson IoT compatibility.
Supply support for A7101CHTK2/T0BC2BJ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in embedded security and trusted execution environments.
The A7101CHTK2/T0BC2BJ belongs to NXP's A71CH family of secure elements, engineered specifically to simplify cloud onboarding and enforce hardware-rooted trust in resource-constrained IoT endpoints.
FAQ
Is A7101CHTK2/T0BC2BJ pre-provisioned with IBM Watson IoT credentials?
Yes, the A7101CHTK2/T0BC2BJ is factory-provisioned with IBM Watson IoT platform credentials, including device-specific X.509 certificate, private key, and root CA bundle. This enables immediate TLS handshake and authenticated connection without host-side key generation or manual registration - reducing time-to-deployment for certified IoT edge devices.
What is the maximum I²C clock frequency supported by A7101CHTK2/T0BC2BJ?
The A7101CHTK2/T0BC2BJ supports I²C communication up to 1 MHz, compliant with Fast-mode Plus specifications. It includes built-in SMBus timeout detection and optional CRC-8 packet integrity checking to ensure robust operation in electrically noisy industrial environments where the A7101CHTK2/T0BC2BJ is commonly deployed.
Does A7101CHTK2/T0BC2BJ require external programming after soldering?
No, the A7101CHTK2/T0BC2BJ ships fully provisioned and ready for IBM Watson IoT use - no post-soldering programming or personalization is needed. Its secure storage is pre-configured with immutable credentials, and all cryptographic functions operate immediately upon power-up and I²C initialization.
Can A7101CHTK2/T0BC2BJ be used in medical applications requiring data confidentiality?
Yes, the A7101CHTK2/T0BC2BJ supports AES-128 GCM encryption and ECDSA-P256 signing, enabling HIPAA-compliant PHI protection. Its tamper-resistant key storage ensures encryption keys never reside in host memory - a key requirement for FDA cybersecurity validation of connected medical wearables using the A7101CHTK2/T0BC2BJ.
What package variant does A7101CHTK2/T0BC2BJ use, and is it RoHS-compliant?
The A7101CHTK2/T0BC2BJ uses the HVSON8 package (2 mm × 3 mm, 0.5 mm pitch) with wettable flank leads. It is RoHS-compliant and halogen-free, qualified per JEDEC J-STD-020 moisture sensitivity level 3, and compatible with standard lead-free reflow profiles - ensuring reliable assembly in high-volume electronics manufacturing.
A7101CHTK2/T0BC2BJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- A71CH
- Package/Case:
- 8-VDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- 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:
- -25°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-HVSON (4x4)
A7101CHTK2/T0BC2BJ FAQ
1.How can I place an order for A7101CHTK2/T0BC2BJ through Aetrix?
Please submit a Request for Quotation (RFQ) for A7101CHTK2/T0BC2BJ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for A7101CHTK2/T0BC2BJ reliable?
The price and inventory of A7101CHTK2/T0BC2BJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for A7101CHTK2/T0BC2BJ is usually 5 days.
3.What payment methods are accepted for A7101CHTK2/T0BC2BJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for A7101CHTK2/T0BC2BJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for A7101CHTK2/T0BC2BJ?
A7101CHTK2/T0BC2BJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your A7101CHTK2/T0BC2BJ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for A7101CHTK2/T0BC2BJ?
For technical support, including A7101CHTK2/T0BC2BJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your A7101CHTK2/T0BC2BJ requirements.
6.How does Aetrix verify that A7101CHTK2/T0BC2BJ is sourced from the original manufacturer or authorized distributors?
All A7101CHTK2/T0BC2BJ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that A7101CHTK2/T0BC2BJ meets industry standards.
7.What is the process for return or replacement of A7101CHTK2/T0BC2BJ?
All A7101CHTK2/T0BC2BJ units undergo pre-shipment inspection (PSI). If there is an issue with A7101CHTK2/T0BC2BJ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The A7101CHTK2/T0BC2BJ part is unused and in its original packaging.
Return procedure for A7101CHTK2/T0BC2BJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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