NTAG® 5 Link: NFC Forum-Compliant I²C Bridge for IoT on Demand

NTAG5-LINK

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Please check the new online NFC Antenna Tool for tag and reader devices.

NXP’s NTAG 5 link lets designers of sensor-equipped systems add an NFC interface with a wired host interface that’s configurable as an I2C controller/target, a Pulse Width Modulator (PWM), or a General-Purpose I/O (GPIO). Operating at 13.56 MHz, it is an NFC Forum-compliant contactless tag that can be read and written by an NFC-enabled device at close range and by an ISO/IEC 15693-enabled industrial reader over a longer range.

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Product Details

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Block Diagram

NTAG 5 link block diagram

NTAG 5 link block diagram
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Features

Key Features

  • AES mutual authentication
  • I2C target and controller channel
  • GPIO and PWM
  • Energy harvesting with configurable output up to 30 mW

NFC Interface

  • Fully NFC Forum Type 5 Tag compliant
  • 8-byte Unique Identifier
  • 32-byte reprogrammable originality signature

Host Interface

  • I2C controller and target interface supports up to 400 kHz
  • 2 GPIO’s
  • 2 Pulse Width Modulation output channel
  • Event Detection pin

Scalable Security

  • AES 128-bit mutual authentication
  • 32/64-bit password protection
  • Read-only locking
  • NFC silence
  • 3 configurable user memory areas
  • ECC-based reprogrammable originality signature

Memory

  • 2048 bytes user memory
  • 256 bytes SRAM

Comparison Table

Feature NTAG 21xF NTAG 5 switch NTAG I2C plus NTAG 5 link NTAG 5 boost
NFC Forum type tag 2 5 2 5 5
Max. interface speed - NFC/I2C 106 kbps/- 53 kbps/- 106 kbps/400 kHz 53 kbps/400 kHz 53 kbps/400 kHz
Memory size 144 or 888 bytes 512 bytes 888 or 1912 bytes
64 bytes SRAM		 2048 bytes
256 bytes SRAM		 2048 bytes
256 bytes SRAM
Memory protection
from NFC perspective		 Read only locking and
32-bit PWD		 Read only locking and
32- or 64-bit PWD		 Read only locking and
32-bit PWD		 Read only locking and
32- or 64-bit PWD
AES mutual authentication*		 Read only locking and
32- or 64-bit PWD or
AES mutual auth.
Memory protection
from connected host		 - - Restrict access to NFC
password protected area		 32-bit PWD 32-bit PWD
Memory areas 2 3 2 3 3
Originality Signature fixed re-programmable fixed re-programmable re-programmable
Energy harvesting - regulated up to 30 mW yes
up to 15 mW		 regulated up to 30 mW when used as passive
regulated up to 30 mW
Wired Interface Field Detect Pin PWM, GPIO; Event Detect Pin I2C target; Event Detect Pin PWM; GPIO; I2C target, I2C transparent controller*; Event detection PWM; GPIO; I2C target, I2C transparent controller; Event detection
Typical stand-by and hard-power-down values - 6 µA/0,25 µA - 6 µA/0,25 µA 10 µA/0,25 µA
Active load modulation - - - - yes, when VCC supplied
Temperature range -25°C to +70°C -40°C to +85°C -40°C to +105°C -40°C to +85°C -40°C to +85°C

* Only available for NTP5332

Documentation

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Design Resources

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Hardware

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3 hardware offerings

Software

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1 software file

  • Application Development Tools

    Online NFC Antenna Design Tool

    EXERev 1Sep 6, 2021 12:39:001 KBONLINE-NFC-ANTENNA-DESIGN-TOOL
    Download

Note: For better experience, software downloads are recommended on desktop.

Training

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