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OPTIGA AUTHENTICATE NBT
  • OPTIGA AUTHENTICATE NBT

OPTIGA AUTHENTICATE NBT

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OPTIGA™ Authenticate NBT is a high-performance NFC I2C bridge tag, Type 4 Tag certified by the NFC Forum, for single-tap IoT device authentication and secured configuration. It enables ultra-fast, contactless NFC communication between IoT devices and contactless readers such as smartphones. It is based on CC EAL 6+ (high) certified hardware and provides high security thanks to our acclaimed Integrity Guard 32 security architecture.

Infineon Technologies OPTIGA AUTHENTICATE NBT Product Info

16 April 2026 0

Parameters

Ambient Temperature range

-40 °C to 85 °C

Applications

Healthcare devices, Consumer electronic devices, Shared mobility, Industrial equipment

Asymmetric Cryptography

ECDSA-based asymmetric authentication with PKI (public key infrastructure) and certificates

Certifications

Based on CC EAL 6+ (high) certified HW, NFC Forum Type 4, personal health device communication (PHDC)

Data Rate

I2C standard mode (100 kHz), fast mode (400 kHz), fast mode ‘plus’ (1 MHz) clock frequencies, 106 up to 848 Kbit/s contactless

Delivery Forms

PG-USON-8-8

Interfaces

I2C, ISO/IEC 14443 Type A

NVM

8 kByte

Product Description

OPTIGA™ Authenticate NBT is a NFC-I2C bridge tag for contactless authentication and secured configuration of IoT devices

Security Features

Flexible, file-based password protection using 32-bit passwords

Symmetric Cryptography

AES-128-based symmetric crypto authentication

Use Cases

Secured activation and device configuration of IoT devices, activation of shared mobility vehicles, passive commissioning of non-powered smart devices, data logging in health monitors

Apps

Light electric vehicle solutions, Complete system solutions for smart TVs, Healthcare wearables, Coffee machines and grinders, Microwave ovens, Washing and drying, Industrial HMI Monitors and Panels, Industrial motor drives and controls, Industrial robots, Commercial heat pumps, Commercial HVAC system, Electronic shelf label (ESL), Smart thermostat

Features

  • NFC Forum Type 4 Tag certified
  • 106 up to 848 Kbit/s contactless
  • I2C standard mode / fast mode (plus)
  • ECDSA-based asymmetric cryptography
  • AES-128-based symmetric cryptography
  • 32-bit password-based verification
  • Storage capacity of 8 KB user NVM
  • 78 pF high on-chip capacitance
  • ISO/IEC 14443 Type A interface
  • I2C target interface
  • Global Platform T=1' protocol
  • NFC field detect pin

Description

  • High-performance NFC-I2C bridge tag
  • Based on CC EAL 6+ (high) certified HW
  • Integrity Guard 32 security
  • Ultra-fast data transfer
  • Generous on-chip memory of 8 KB
  • Minimized antenna footprint
  • Optimised BoM
  • Chip-individual pre-provisioning of key pair and certificate
  • Long-term trustworthy sourcing

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