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As the first contactless smartcard IC in its class to combine asymmetric and symmetric cryptography in a single chip, MIFARE DUOX simplifies key management and key distribution. By adding certificate management capabilities, delivering enhanced features and security with CC EAL6+ certification, MIFARE DUOX enables high performing, highly secure and cost-effective NFC system solutions for access management, secure car access, EV-charging applications, and more.

Data Sheet

Application Notes

Product Details

Block Diagram

MIFARE DUOX

Get diagram PDF

Features

Certification and Compliancy

ISO/IEC 14443 A levels 1-4
ISO/IEC 7816-4
ISO/SAE 21434 automotive cybersecurity compliant
Common Criteria EAL 6+ certified hardware and software
NFC Forum Tag Type 4
MISRA-C coding standard compliant

RF Interface and ISO/IEC 14443 Type A

Contactless interface compliant with ISO/IEC 14443-2/3 A
Fast data transfer with baud rate of 106 kbit/s, 212 kbit/s, 424 kbit/s, 848 kbit/s and support of VHBR
13.56 MHz operating frequency
Low Hmin enabling operating distance up to 100 mm (depending on power provided by the PCD and antenna geometry)
Configurable FSCI to support up to 256-bytes frame size

Nonvolatile Memory

User memory size of 2 kB, 4 kB, 8 kB and 16 kB
Data retention of 25 years
Write endurance up to 1,000,000 cycles
True multiapplication support with secure separation between applications
Flexible file system with data management structured into applications and files
File access rights management via assignment of access conditions per file
Interapplication file and data sharing
Delegated Application Management (DAM) functionality for easy postissuance application installation of third parties

Security and Privacy

Symmetric cryptographic algorithms: AES-128, AES-256
Symmetric AES-based mutual authentication establishing a secure channel
Future proof for PQC era (Post-Quantum-Crypto) with AES-256
Asymmetric cryptographic algorithms and key management: ECC with NIST P-256 and brainpoolP256r1 curves
Asymmetric ECC-based mutual authentication, reader-unilateral authentication and card-unilateral authentication establishing a secure channel
ECC signature generation via ECDSA and SHA-256
Simplified key management and key distribution via private/public key management and PKI concept
Key management on card level: 2 preinjected asymmetric keypairs and certificates; 11 reserved slots for symmetric keys
Key management on application level: up to 5 certificates per application; up to 14 symmetric keys per application (in up to 16 keysets)
Self-securing file system
Hardware exception sensors

Extended Features

Proximity Checks to detect relay attacks based on round-trip time measurement
Transaction Signature and Transaction MAC generating a secure proof of executed transactions
Transaction Timer to prevent Man-in-the-Middle attacks
Secure Dynamic Messaging to ensure security and integrity protected NDEF data reading
Dynamic Originality Checks based on ECC, verifying the genuineness of the IC via card-unilateral ECC-based authentication
NXP offered Trust Provisioning service to preinject data and key material securely by your trusted semiconductor manufacturer

EV-Charging Functionality (on "MIFARE DUOX EV" part types)

Availability of dedicated part types for EV-Charging with "MIFARE DUOX EV"
Support of EV-Charging specific command set as defined in VDE-AR-E 2532-100
Preinstalled EV-Charging application and file structure as defined in VDE-AR-E 2532-100
Preinjected key material and certificates, issued by the NXP EV-Charging CA, as defined in VDE-AR-E 2532-100
Ready-made solution for EV-Charging and interoperability between multiple CPOs and EMSPs

Additional Aspects

Extended operating temperature range for industrial and automotive applications: -40 °C up to +105 °C on silicon level
Unique 7 bytes serial number (UID) for each IC, as per ISO/IEC 14443-3 requirements
Optional configurable 4 byte random ID (RID)
Compatibility to MIFARE DESFire application and file system layout and EV2 secure messaging
Delivery forms as 75 µm sawn and bumped wafer and MOA8 contactless smart card module
Input capacitance options with 17 pF and 70 pF for different form factor designs (smartcards, wristbands, key fobs, tokens, stickers, and so on)

Buy/Parametrics

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Documentation

Quick reference to our documentation types

8 documents

Compact List

MIFARE DUOX for EV charging use cases[AN14223]

PDFJul 10, 2025Rev 1.0
MIFARE DUOX Quick Start Guide[AN14217]

PDFNov 14, 2024Rev 1.0

MIFARE DUOX Contactless Smartcard IC[MF3EHx3_SDS]

PDFMay 6, 2025Rev 1.1

MIFARE DUOX EV Charging Fact Sheet[MIFAREDUOXEVFS]

PDFAug 7, 2025Rev 0
MIFARE DUOX Access Management[MIFAREDUOXAMFS]

PDFJun 30, 2025Rev 1.0
MIFARE DUOX Factsheet[MIFAREDUOXFSA4]

PDFNov 19, 2024Rev 1.0

MIFARE Trademark Usage Guidelines[MFTMKBRNDG]

PDFMar 10, 2025Rev 5.2

Secure User Identification and Authorization in EV Charging Applications[EV-CHARGING-WP]

PDFSep 3, 2025Rev 1.0

Design Resources

Design Files

Receive the full breakdown. See the product footprint and more in the eCad file.

Hardware

Quick reference to our board types.

1 hardware offering

Complete Solution
Pegoda Smart Card Reader Based on PN7642

CLRD730

Software

Quick reference to our software types.

3 software files

Code Snippets
RFIDDiscover
Libraries
NFC Reader Library: Software Support for NFC Frontend Solutions

Download Options
Libraries
TapLinx Software Development Kit (SDK)

Download Options

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

Training

3 trainings

On-Demand
Introducing MIFARE DUOX: Simplifying Security in Smart City Applications

Discover how MIFARE DUOX's flexibility and enhanced security with asymmetric cryptography make it a versatile, future-proof smartcard IC for EV charging, car access, and access management.

1 hrEnglish Level: Beginner

Account Required

On-Demand
Tap In Safely: Explore the Need for High-Security in EV Charging

53 minEnglish Level: Beginner

Account Required

On-Demand
Strengthen Your Access Control Strategy with MIFARE

59 minEnglish Level: Beginner

Account Required

MIFARE DUOX®: High security contactless smartcard IC

Product Details

Block Diagram

MIFARE DUOX

Features

Certification and Compliancy

RF Interface and ISO/IEC 14443 Type A

Nonvolatile Memory

Security and Privacy

Extended Features

EV-Charging Functionality (on "MIFARE DUOX EV" part types)

Additional Aspects

Applications

Automotive

Industrial

Buy/Parametrics

Documentation

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Application Note (2)

MIFARE DUOX for EV charging use cases[AN14223]

MIFARE DUOX Quick Start Guide[AN14217]

Data Sheet (1)

MIFARE DUOX Contactless Smartcard IC[MF3EHx3_SDS]

Fact Sheet (3)

MIFARE DUOX EV Charging Fact Sheet[MIFAREDUOXEVFS]

MIFARE DUOX Access Management[MIFAREDUOXAMFS]

MIFARE DUOX Factsheet[MIFAREDUOXFSA4]

Supporting Information (1)

MIFARE Trademark Usage Guidelines[MFTMKBRNDG]

White Paper (1)

Secure User Identification and Authorization in EV Charging Applications[EV-CHARGING-WP]

Design Resources

Design Files

Hardware

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