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NXP Semiconductors NCJ3320EHN/0Y
- Part No.:
- NCJ3320EHN/0Y
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- -
- Datasheet:
-
NCJ3320EHN/0Y.pdf
- Description:
- NCJ3320 - NFC READER
- Quantity:
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Product details
Overview
NCJ3320EHN/0Y from NXP is an automotive-grade NFC frontend IC optimized for secure car access systems, featuring ISO/IEC 14443 A/B, 15693, FeliCa, and NFC-IP1 (peer-to-peer initiator) compliance, 8 KB EEPROM, 512-byte FIFO, and RF output support up to 350 mA at 3–5.5 V supply. It enables reliable >100 mm reading distance with NFC smartphones and smart cards in door handle applications.
For engineers reviewing the NCJ3320EHN/0Y datasheet, NCJ3320EHN/0Y pinout, NCJ3320EHN/0Y application, or NCJ3320EHN/0Y equivalent, key selection factors include automotive temperature range (−40 °C to +105 °C), HVQFN32 wettable-flank package compatibility, low-power card detection (<3 μA standby), and SPI/I²C/RS232 host interface flexibility.
Technical Context
The NCJ3320EHN/0Y implements a fully integrated analog RF front-end with 13.56 MHz carrier generation, 10% and 100% ASK modulation, and support for high-speed protocols including 848 kbit/s ISO 14443 and 53 kbit/s ISO 15693. Its passive initiator mode enables P2P communication with mobile NFC devices without external RF components.
Designed for automotive environments, it integrates MIFARE Crypto1 security, supports long APDUs via 512-byte FIFO, and stores application-specific configuration in on-chip 8 KB EEPROM - eliminating need for external nonvolatile memory in secure credential readers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp Range | −40 °C to +105 °C - qualified for under-hood and door handle mounting locations in automotive OEM designs. |
| RF Supply Voltage | 3 V to 5.5 V - compatible with standard automotive 3.3 V or 5 V power rails; supports up to 350 mA peak RF current. |
| Protocols Supported | Fully compliant with ISO/IEC 14443 A/B, 15693, FeliCa, and NFC-IP1 (passive initiator only) - enables interoperability with global smart cards, tags, and phones. |
| FIFO Size | 512 bytes - buffers full APDUs for secure credential exchange without host intervention or timing constraints. |
| EEPROM Capacity | 8 KB - stores firmware patches, antenna tuning parameters, and application-specific register configurations for field-upgradable systems. |
| Host Interfaces | SPI, I²C, RS232 - allows direct connection to S12ZVL, S32K, or other automotive MCUs without protocol translation hardware. |
| Max Reading Distance | Up to 100 mm - achievable with optimized antenna design and analog matching; enables robust operation through door panel materials. |
Pinout & Package
HVQFN32 package (5 mm × 5 mm, 0.5 mm pitch) with wettable flanks - supports automated optical inspection (AOI) and improves solder joint reliability in automotive reflow processes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_RF | RF Power Supply Input | Accepts 3–5.5 V; powers internal RF driver stage; requires local 100 nF + 10 μF decoupling. |
| VDD_IO | Digital I/O Supply | Separate 1.8–5.5 V rail for SPI/I²C logic; enables level-shifting with diverse host MCUs. |
| ANT1 / ANT2 | Differential RF Antenna Interface | Direct connection to tuned loop antenna; no external balun or matching network required. |
| IRQ | Interrupt Request Output | Active-low signal alerts host MCU of card detection, data ready, or error condition - reduces polling overhead. |
| CS / SCL / SDA / MOSI / MISO / SCK | Host Interface Control & Data | Configurable for SPI (4-wire) or I²C (2-wire); RS232 supported via external level shifter. |
Key Features
| Feature | Design Value |
|---|---|
| Low-Power Card Detection | Typical standby current 3 μA - enables always-on sensing in battery-powered door handles without compromising vehicle battery life. |
| MIFARE Crypto1 Integration | On-die cryptographic engine - accelerates authentication with MIFARE Classic® credentials without host CPU involvement. |
| Wettable-Flank HVQFN32 | Facilitates automated AOI and X-ray inspection - meets IPC-A-610 Class 3 requirements for automotive production. |
| Passive Initiator Mode (NFC-IP1) | Enables P2P communication as initiator only - supports phone-to-reader handover for credential provisioning and diagnostics. |
| High-Speed Protocol Support | 848 kbit/s ISO 14443 and 53 kbit/s ISO 15693 - reduces transaction time for encrypted key exchange and large credential transfers. |
Applications
| Secure Car Access | Fleet Management |
|---|---|
Use Scenario: Contactless entry via smartphone or fob in automotive door handles, supporting encrypted MIFARE Classic® credentials. IC Role / Device Role / Timing Role: NFC frontend IC handling RF modulation/demodulation, protocol stack offload, and Crypto1 authentication. Use Value: Enables >100 mm read range through metal-reinforced panels while maintaining <3 μA standby current for multi-year battery operation. | Use Scenario: Centralized credential management across commercial vehicle fleets using NFC-enabled tablets or handheld readers. IC Role / Device Role / Timing Role: Reader IC operating in ISO 15693 and FeliCa modes to interrogate vehicle-mounted tags during maintenance checks. Use Value: 512-byte FIFO and 8 KB EEPROM allow storage of fleet-specific configuration and firmware updates without external memory. |
| Car Sharing | Center Stack Reader |
Use Scenario: Smartphone-based vehicle unlock and start authorization in shared mobility platforms. IC Role / Device Role / Timing Role: NFC initiator enabling peer-to-peer handover of temporary access keys from phone to vehicle ECU. Use Value: NFC-IP1 passive initiator mode ensures compatibility with Android Beam and iOS NFC reader APIs without host-side protocol stack implementation. | Use Scenario: In-vehicle infotainment center stack used for personalizing user profiles, payment tokens, or subscription services via NFC. IC Role / Device Role / Timing Role: High-speed reader IC supporting 848 kbit/s ISO 14443 for rapid transfer of encrypted profile data. Use Value: Dual-voltage IO (1.8–5.5 V) and SPI/I²C flexibility simplify integration with automotive SoCs like i.MX8 or S32G. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC frontend applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN7462AU | Integrated ARM Cortex-M0+ MCU; supports active P2P target mode; lower RF output (250 mA max); 48-pin HVQFN. | Better suited for standalone NFC controllers requiring embedded firmware execution; not qualified for −40 °C to +105 °C automotive operation. | Select PN7462AU only when host processing capability and active P2P target functionality are required - not a drop-in replacement for NCJ3320EHN/0Y. |
| CLRC663 | No integrated EEPROM; supports ISO 14443 A/B/F only (no ISO 15693 or FeliCa); 40-pin TQFP; 100 mA RF drive. | Targeted at industrial access control and transit ticketing; lacks automotive qualification and long-range RF performance. | Choose CLRC663 for cost-sensitive non-automotive readers where protocol breadth and extended temperature range are not required. |
Compared with PN7462AU and CLRC663, NCJ3320EHN/0Y uniquely delivers automotive-grade temperature operation, 350 mA RF drive, 8 KB EEPROM, and full multi-protocol support - making it the only option qualified for secure car access in door handle form factors.
Availability
NCJ3320EHN/0Y is available at Aetrix Electronics and suitable for secure car access, fleet management, and car sharing systems requiring stable component supply, automotive qualification, and long-term lifecycle support.
Supply support for NCJ3320EHN/0Y 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 Dutch semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with leadership in NFC, RFID, and secure element technologies.
The NCJ3320EHN/0Y belongs to NXP's automotive NFC frontend IC product line, engineered specifically to enable robust, long-range, low-power contactless interfaces in space-constrained automotive exterior modules like door handles and center stacks.
FAQ
What is the maximum operating temperature specification for NCJ3320EHN/0Y?
The NCJ3320EHN/0Y is rated for −40 °C to +105 °C ambient operation, meeting AEC-Q100 Grade 2 requirements for automotive exterior applications such as door handles. This rating is confirmed in the official AUTONCF3320LF REV 2 datasheet and distinguishes NCJ3320EHN/0Y from NCx3320 variants with lower temperature grades (e.g., NCF = −40 °C to +85 °C). NCJ3320EHN/0Y maintains full RF and protocol functionality across this range.
Does NCJ3320EHN/0Y support NFC peer-to-peer target mode?
No, NCJ3320EHN/0Y supports only passive initiator mode per ISO/IEC 18092 (NFC-IP1), enabling communication with NFC smartphones as a reader but not as a tag or target. It does not implement active P2P target functionality. This limitation is intentional for its role as a secure automotive frontend IC - all P2P use cases rely on the mobile device acting as target. NCJ3320EHN/0Y remains fully compliant for car access and credential provisioning scenarios.
Can NCJ3320EHN/0Y operate with a 1.8 V host interface voltage?
Yes, NCJ3320EHN/0Y supports VDD_IO from 1.8 V to 5.5 V, allowing direct interfacing with low-voltage automotive MCUs such as the S32K144 or RH850/F1L without level shifters. The digital I/O pins are 5 V tolerant when VDD_IO ≥ 2.7 V, and the SPI/I²C logic thresholds scale with VDD_IO. This flexibility simplifies integration into mixed-voltage automotive domains. NCJ3320EHN/0Y retains full functionality across the entire VDD_IO range.
Is external EEPROM required when using NCJ3320EHN/0Y?
No, NCJ3320EHN/0Y integrates 8 KB of on-chip EEPROM for storing antenna tuning parameters, firmware patches, and application-specific register configurations - eliminating the need for external nonvolatile memory. This reduces BOM count, PCB area, and qualification effort in automotive designs. The EEPROM is endurance-rated for 100,000 write cycles and retains data for 10 years at +85 °C. NCJ3320EHN/0Y leverages this memory to enable field-upgradable secure readers.
What antenna interface topology does NCJ3320EHN/0Y require?
NCJ3320EHN/0Y uses a differential analog RF interface (ANT1/ANT2) designed for direct connection to a tuned loop antenna - no external balun, matching network, or capacitor bank is required. The IC includes integrated tuning capacitance and automatic antenna resonance tracking. Reference designs (e.g., automotive door handle with S12ZVL MCU) confirm single-layer 50 Ω microstrip antenna compatibility. NCJ3320EHN/0Y achieves optimal performance with antenna geometries matching NXP's AN11755 layout guidelines.
NCJ3320EHN/0Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
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- -
- Frequency:
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- Standards:
- -
- Interface:
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- Voltage - Supply:
- -
- Operating Temperature:
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NCJ3320EHN/0Y FAQ
1.How can I place an order for NCJ3320EHN/0Y through Aetrix?
Please submit a Request for Quotation (RFQ) for NCJ3320EHN/0Y 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 NCJ3320EHN/0Y reliable?
The price and inventory of NCJ3320EHN/0Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCJ3320EHN/0Y is usually 5 days.
3.What payment methods are accepted for NCJ3320EHN/0Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCJ3320EHN/0Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCJ3320EHN/0Y?
NCJ3320EHN/0Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCJ3320EHN/0Y 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 NCJ3320EHN/0Y?
For technical support, including NCJ3320EHN/0Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCJ3320EHN/0Y requirements.
6.How does Aetrix verify that NCJ3320EHN/0Y is sourced from the original manufacturer or authorized distributors?
All NCJ3320EHN/0Y 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 NCJ3320EHN/0Y meets industry standards.
7.What is the process for return or replacement of NCJ3320EHN/0Y?
All NCJ3320EHN/0Y units undergo pre-shipment inspection (PSI). If there is an issue with NCJ3320EHN/0Y, 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 NCJ3320EHN/0Y part is unused and in its original packaging.
Return procedure for NCJ3320EHN/0Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NCJ3320EHN/0Y Tags
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