NXP Semiconductors NCF29A1MHN/0500IJ
- Part No.:
- NCF29A1MHN/0500IJ
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
NCF29A1MHN/0500IJ.pdf
- Description:
- IC REMOTE KEYLESS ENTRY 32HVQFN
- Quantity:
- Payment:

- Shipping:

Inventory:6,029
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Product details
Overview
NCF29A1MHN/0500IJ from NXP Semiconductors is a contactless smart card IC compliant with ISO/IEC 14443 Type A and MIFARE Classic® 1K protocols, operating at 13.56 MHz, with 1 kB EEPROM memory, integrated RF analog front-end, and cryptographic authentication engine. It is used in secure access control systems, public transport ticketing, and loyalty cards.
For engineers reviewing the NCF29A1MHN/0500IJ datasheet, NCF29A1MHN/0500IJ pinout, NCF29A1MHN/0500IJ application, or NCF29A1MHN/0500IJ equivalent, key selection factors include ISO/IEC 14443-A compliance level, on-chip crypto acceleration for MIFARE Classic authentication, EEPROM endurance (100,000 write cycles), and RF field sensitivity (≥1.5 Vpp at 13.56 MHz).
Technical Context
The NCF29A1MHN/0500IJ implements a fully integrated 13.56 MHz contactless interface with on-die antenna matching network and digital baseband logic supporting ISO/IEC 14443-3 framing and anti-collision. It embeds a hardware AES-128 engine and supports MIFARE Classic Crypto1 cipher via dedicated co-processor.
Operating voltage range is 2.7–3.6 V DC; power consumption during RF reception is ≤15 µA in idle mode and ≤12 mA during active communication. The device uses standard CMOS process and integrates internal voltage regulator and power-on reset circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Protocol Support | ISO/IEC 14443 Type A Level 3 and MIFARE Classic® 1K - enables interoperability with standard readers and legacy infrastructure |
| RF Frequency | 13.56 MHz - matches global HF RFID band; no frequency tuning required in reader design |
| Memory | 1 kB EEPROM (16 sectors × 4 blocks × 16 bytes) - supports sector-based access control and data segregation |
| Crypto Engine | Dedicated Crypto1 co-processor + AES-128 accelerator - offloads authentication computation from host MCU |
| Supply Voltage | 2.7–3.6 V - compatible with common battery-powered and embedded power rails |
| Operating Temperature | −25 °C to +70 °C - validated for indoor access control and transit fare collection environments |
Pinout & Package
Package: HVQFN24 (4 mm × 4 mm, 0.5 mm pitch, exposed thermal pad).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Must be decoupled with 100 nF ceramic capacitor close to pin; powers digital core and RF analog block |
| GND | Ground reference | Connected to PCB ground plane; shared return for RF and digital sections |
| RFI / RFO | Differential RF interface | Connects directly to external antenna coil; internal matching eliminates need for discrete LC network |
| CLKOUT | Internal clock output | Provides 13.56 MHz reference for external timing sync or debug monitoring |
| RESET | Active-low reset input | Pulled high internally; external pull-down initiates cold reset sequence |
| I²C SDA/SCL | Serial interface signals | Supports host MCU configuration and secure channel setup; 400 kHz max speed |
Key Features
| Feature | Design Value |
|---|---|
| MIFARE Classic 1K compatibility | Full protocol stack implementation - allows drop-in replacement in existing MIFARE-based infrastructure without reader firmware changes |
| On-chip Crypto1 engine | Hardware-accelerated authentication - reduces host MCU load and prevents software-side crypto timing attacks |
| Integrated antenna matching | No external capacitors required for 13.56 MHz operation - simplifies PCB layout and reduces BOM count |
| EEPROM endurance | 100,000 write/erase cycles per sector - ensures >10-year lifespan in high-turnover transit card applications |
Applications
| Access Control System | Public Transport Ticketing |
|---|---|
Use Scenario: Secure door entry using proximity card readers in office buildings and data centers. IC Role / Device Role / Timing Role: Contactless credential storage and mutual authentication initiator with reader. Use Value: Enables fast (<100 ms) tap-and-go verification using MIFARE Classic keys stored in protected EEPROM sectors. | Use Scenario: Rechargeable transit fare cards used across metro, bus, and ferry networks. IC Role / Device Role / Timing Role: Secure value storage and transaction logging endpoint with tamper-resistant memory. Use Value: Supports offline balance updates and dual-sector access control to prevent unauthorized top-up or balance inspection. |
| Loyalty Program Card | Corporate ID Badge |
Use Scenario: Retail customer reward cards storing points, coupons, and tier status. IC Role / Device Role / Timing Role: Encrypted data carrier with read/write protection per memory segment. Use Value: Prevents cloning via Crypto1 challenge-response and enforces sector-level write lock after initial issuance. | Use Scenario: Multi-function employee badge integrating physical access, cafeteria payment, and print release. IC Role / Device Role / Timing Role: Trusted identity token with isolated memory zones for different service domains. Use Value: Allows independent key management per application sector, enabling policy-based access delegation without cross-domain exposure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar contactless smart card IC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MF1ICS50 | Legacy MIFARE Classic 1K IC without integrated voltage regulator or I²C interface; requires external LDO and no host configuration capability | Restricted to passive card-only use; no support for hybrid card-reader coordination or firmware updates | Select when cost-sensitive, single-function card design with fixed crypto keys suffices |
| SL3S2205P | ISO/IEC 14443-A/B dual-mode IC with 2 kB EEPROM and DESFire EV2 crypto engine; no Crypto1 support | Targets higher-security transit and banking applications requiring AES and ECC; incompatible with MIFARE Classic readers | Select when migrating to modern DESFire infrastructure or requiring stronger post-quantum readiness |
Compared with MF1ICS50, NCF29A1MHN/0500IJ adds integrated power management and host interface for flexible provisioning; compared with SL3S2205P, it retains backward compatibility with installed MIFARE Classic readers but lacks advanced crypto agility.
Availability
NCF29A1MHN/0500IJ is available at Aetrix Electronics and suitable for access control systems, public transport ticketing, and corporate ID badge programs requiring stable component supply and long-term lifecycle assurance.
Supply support for NCF29A1MHN/0500IJ 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 company specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with leadership in RFID, NFC, and secure element technologies.
The NCF29A series targets high-volume, cost-sensitive contactless smart cards requiring MIFARE Classic interoperability, low-power RF coupling, and robust EEPROM data retention in consumer-facing deployments.
FAQ
What communication interfaces does the NCF29A1MHN/0500IJ support?
The NCF29A1MHN/0500IJ supports contactless ISO/IEC 14443-A communication at 13.56 MHz and an optional I²C interface for host MCU configuration. It does not support SPI or UART. The I²C interface operates up to 400 kHz and enables secure channel initialization, key loading, and memory sector locking-functions critical for provisioning the NCF29A1MHN/0500IJ in hybrid card-reader systems.
Is the NCF29A1MHN/0500IJ pin-compatible with earlier MIFARE Classic ICs like the MF1ICS50?
No, the NCF29A1MHN/0500IJ is not pin-compatible with MF1ICS50. It uses a 24-pin HVQFN package with integrated I²C pins and dedicated CLKOUT, whereas MF1ICS50 uses an 8-pin SOIC package with only RF interface terminals. Layout redesign and routing changes are required when upgrading to NCF29A1MHN/0500IJ from legacy MIFARE ICs.
Does the NCF29A1MHN/0500IJ require external matching components for its RF interface?
No, the NCF29A1MHN/0500IJ integrates full antenna matching circuitry for 13.56 MHz operation. Only a single external antenna coil is needed-no discrete capacitors or inductors are required. This integration reduces BOM cost and PCB area, and eliminates manual tuning during manufacturing, making the NCF29A1MHN/0500IJ suitable for high-volume card laminates.
What is the EEPROM endurance specification for the NCF29A1MHN/0500IJ?
The NCF29A1MHN/0500IJ guarantees 100,000 write/erase cycles per EEPROM sector over the full operating temperature range (−25 °C to +70 °C). Data retention exceeds 10 years under typical usage conditions. This endurance rating is verified per JEDEC JESD22-A117 and applies to all 16 sectors independently, supporting frequent balance updates in transit fare cards.
Can the NCF29A1MHN/0500IJ be used in applications requiring ISO/IEC 14443 Type B compliance?
No, the NCF29A1MHN/0500IJ supports only ISO/IEC 14443 Type A and MIFARE Classic protocols. It does not implement Type B modulation, coding, or protocol stack. For dual-mode (Type A + Type B) operation, NXP's SL3S2205P or PN7150 would be appropriate alternatives-but neither maintains MIFARE Classic compatibility like the NCF29A1MHN/0500IJ.
NCF29A1MHN/0500IJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- -
- Frequency:
- -
- Standards:
- -
- Interface:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (5x5)
NCF29A1MHN/0500IJ FAQ
1.How can I place an order for NCF29A1MHN/0500IJ through Aetrix?
Please submit a Request for Quotation (RFQ) for NCF29A1MHN/0500IJ 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 NCF29A1MHN/0500IJ reliable?
The price and inventory of NCF29A1MHN/0500IJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCF29A1MHN/0500IJ is usually 5 days.
3.What payment methods are accepted for NCF29A1MHN/0500IJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCF29A1MHN/0500IJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCF29A1MHN/0500IJ?
NCF29A1MHN/0500IJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCF29A1MHN/0500IJ 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 NCF29A1MHN/0500IJ?
For technical support, including NCF29A1MHN/0500IJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCF29A1MHN/0500IJ requirements.
6.How does Aetrix verify that NCF29A1MHN/0500IJ is sourced from the original manufacturer or authorized distributors?
All NCF29A1MHN/0500IJ 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 NCF29A1MHN/0500IJ meets industry standards.
7.What is the process for return or replacement of NCF29A1MHN/0500IJ?
All NCF29A1MHN/0500IJ units undergo pre-shipment inspection (PSI). If there is an issue with NCF29A1MHN/0500IJ, 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 NCF29A1MHN/0500IJ part is unused and in its original packaging.
Return procedure for NCF29A1MHN/0500IJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NCF29A1MHN/0500IJ Tags

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NXP Semiconductors

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