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NXP Semiconductors PN5120A0HN1/C2,118
- Part No.:
- PN5120A0HN1/C2,118
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
PN5120A0HN1/C2,118.pdf
- Description:
- IC RFID RDR/TRAN 13.56MZ 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:15,905
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Product details
Overview
PN5120A0HN1/C2 from NXP Semiconductors is a full NFC Forum-compliant 13.56 MHz NFC frontend IC supporting Reader/Writer, Card Operation, and NFCIP-1 modes. It integrates analog modulation/demodulation, CRC coprocessing, RF level detection, and supports ISO/IEC 14443A/MIFARE, ISO/IEC 14443B, FeliCa, and NFCIP-1 protocols - enabling secure contactless transactions in mobile payment terminals and access control readers.
For engineers reviewing the PN5120A0HN1/C2 datasheet, PN5120A0HN1/C2 pinout, PN5120A0HN1/C2 application, or PN5120A0HN1/C2 equivalent, key selection considerations include its HVQFN32 package, 2.5–3.6 V supply range, 424 kbit/s max data rate across all modes, integrated transmitter drivers for direct antenna connection, and support for SPI/I²C/UART host interfaces without external active circuitry.
Technical Context
The PN5120A0HN1/C2 implements a fully integrated analog front-end with independent I/Q-channel demodulators, programmable RF level detector, and data mode detector to auto-identify MIFARE/FeliCa/NFCIP-1 signal formats. Its digital baseband handles complete ISO/IEC 14443A framing, parity generation, and CRC16 calculation per ISO/IEC 14443-3.
It features a 64-byte FIFO buffer, hardware-accelerated CRC coprocessor, internal oscillator for 27.12 MHz crystal, and S2C interface for secure IC coupling. The transmitter delivers modulated 13.56 MHz carrier via TX1/TX2 with buffered output drivers, enabling up to 50 mm operating distance in Reader/Writer mode and ~100 mm in Card Operation mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz - precisely tuned for global NFC/RFID standards compliance |
| Supply Voltage Range | 2.5 V to 3.6 V - single-supply operation compatible with modern low-voltage host systems |
| Max Data Rate | 424 kbit/s - supported in ISO/IEC 14443A, FeliCa, and NFCIP-1 modes for high-throughput transaction handling |
| Operating Temperature | −30 °C to +85 °C - qualified for industrial and consumer electronics environments |
| FIFO Buffer Size | 64 bytes - enables burst-mode data transfer and reduces host CPU interrupt overhead |
| Host Interfaces | SPI (up to 10 Mbit/s), I²C (Fast/High-speed modes), UART (RS232-level) - flexible integration with MCU platforms |
| Transmitter Outputs | TX1/TX2 - differential 13.56 MHz carrier outputs with integrated drivers for direct antenna connection |
Pinout & Package
HVQFN32 (SOT617-1), 5 × 5 × 0.85 mm body, thermally enhanced no-lead package with exposed thermal pad - optimized for compact NFC reader designs requiring efficient heat dissipation and PCB space savings.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0, A1 | Address Input | Configure device address for I²C interface or parallel bus addressing |
| D1–D7 | Bi-directional Data Bus | Supports SPI/MISO/TX, I²C/SDA, or UART/RX functions depending on selected host interface |
| IRQ | Interrupt Output | Active-low signal indicating frame completion, error, or RF field detection event |
| NRSTPD | Reset & Power-Down Control | Hard reset and deep power-down entry; pulls internal current sinks and oscillator offline |
| RX | Receiver Input | Accepts analog RF signal from antenna matching network for demodulation |
| TX1, TX2 | Differential Transmitter Outputs | Drive series-tuned antenna directly; support 50 mm read range in Reader/Writer mode |
| OSCIN/OSCOUT | Crystal Oscillator Interface | Connects to 27.12 MHz fundamental-mode quartz crystal for precise RF clock generation |
| TVDD/TVSS | Transmitter Power/Ground | Dedicated supply domain isolates high-current RF output stage from digital/analog domains |
Key Features
| Feature | Design Value |
|---|---|
| Integrated RF Level Detector | Enables automatic RF field presence detection without host polling or external comparator circuitry |
| Programmable Data Mode Detector | Auto-identifies incoming MIFARE/FeliCa/NFCIP-1 protocol format to configure demodulator path |
| Buffered Antenna Drivers | Eliminates need for external MOSFETs or discrete driver stages when connecting standard 40 Ω antennas |
| S2C Interface Support | Provides dedicated digital link to secure elements (e.g., smart card ICs) for cryptographic operations |
| Hardware CRC16 Coprocessor | Offloads ISO/IEC 14443-3 and FeliCa CRC calculation from host MCU, reducing firmware latency |
Applications
| Mobile Payment Terminal | Access Control Reader |
|---|---|
Use Scenario: Contactless payment processing in point-of-sale (POS) terminals using MIFARE Classic or FeliCa cards. IC Role / Device Role / Timing Role: NFC frontend handling analog modulation/demodulation, protocol framing, and host interface bridging between antenna and application processor. Use Value: Enables 424 kbit/s transaction throughput and 50 mm read range with minimal external components, accelerating time-to-market for EMV-compliant devices. |
Use Scenario: Secure door entry system reading ISO/IEC 14443A credentials in office buildings or data centers. IC Role / Device Role / Timing Role: Reader/Writer mode IC managing card polling, anti-collision, and encrypted authentication handshakes. Use Value: Integrated MIFARE Crypto1 licensing and hardware CRC reduce firmware development effort and improve transaction reliability. |
| Public Transit Fare Validator | NFC Peer-to-Peer Device |
Use Scenario: High-throughput fare validation at subway gates using FeliCa-based transit cards. IC Role / Device Role / Timing Role: FeliCa Reader/Writer frontend executing fast load-modulation decoding and 424 kbit/s bidirectional communication. Use Value: Supports FeliCa Higher transfer speeds and robust Manchester decoding under noisy EMI conditions typical in rail environments. |
Use Scenario: NFC-enabled smartphone or tablet initiating NFCIP-1 Active/Passive mode data exchange with peripherals. IC Role / Device Role / Timing Role: NFCIP-1 initiator/target frontend implementing full Ecma-340/ISO/IEC 18092 stack layers including framing and error detection. Use Value: Delivers interoperable 424 kbit/s P2P communication with standardized timing and modulation, validated against NFC Forum test suites. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC frontend applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN7150B0HN/C1 | Integrated NFC controller with embedded firmware; supports only Reader/Writer and Card Emulation modes - no NFCIP-1 active mode. | Limited to single-role implementations; lacks S2C interface and MIFARE Crypto1 licensing. | Choose for simplified, firmware-light designs where NFCIP-1 P2P is not required. |
| ST25R3916B | 32-pin QFN; supports ISO/IEC 14443A/B, FeliCa, NFCIP-1, plus additional protocols (ISO/IEC 15693, ISO/IEC 18000-3); higher RF sensitivity. | Broadest multi-standard coverage; includes advanced features like adaptive antenna tuning and field monitoring. | Choose when supporting legacy RFID standards or requiring extended field detection capability beyond NFC. |
Compared with PN7150B0HN/C1 and ST25R3916B, the PN5120A0HN1/C2 provides full NFC Forum compliance with native MIFARE Crypto1 IP, S2C interface for secure element coupling, and proven deployment in >10 billion annual transactions - making it optimal for cost-sensitive, high-volume NFC reader designs requiring full protocol flexibility.
Availability
PN5120A0HN1/C2 is available at Aetrix Electronics and suitable for mobile payment terminals, access control readers, public transit validators, and NFC peer-to-peer devices requiring stable component supply and long-term industrial availability.
Supply support for PN5120A0HN1/C2 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with core expertise in RF, security, and microcontroller technologies.
The PN512 product line was designed as a highly integrated NFC frontend to accelerate development of standards-compliant contactless readers - targeting high-volume consumer and industrial applications demanding robust RF performance and minimal bill-of-materials.
FAQ
What communication protocols does the PN5120A0HN1/C2 support?
The PN5120A0HN1/C2 supports ISO/IEC 14443A/MIFARE, ISO/IEC 14443B, FeliCa, and NFCIP-1 protocols across Reader/Writer, Card Operation, and NFCIP-1 operating modes. It implements full physical layer modulation/demodulation and digital baseband framing for all four standards, including MIFARE Classic encryption in Reader/Writer mode and 424 kbit/s transfer speeds in each protocol. The PN5120A0HN1/C2 does not support ISO/IEC 15693 or proprietary RFID standards.
Does the PN5120A0HN1/C2 require external components for antenna connection?
The PN5120A0HN1/C2 includes buffered output drivers on TX1 and TX2 pins capable of directly driving a series-tuned antenna matched to 40 Ω, eliminating the need for external MOSFETs or discrete driver stages. However, an external matching network (typically L-C tank) is required between TX1/TX2 and the antenna to achieve optimal 13.56 MHz resonance and maximum 50 mm operating distance in Reader/Writer mode. The PN5120A0HN1/C2 integrates RF level and data mode detectors to simplify tuning verification.
What host interfaces are available on the PN5120A0HN1/C2?
The PN5120A0HN1/C2 supports SPI (up to 10 Mbit/s), I²C (Fast mode up to 400 kBd, High-speed mode up to 3400 kBd), serial UART (RS232-level signaling), and an 8-bit parallel interface - though the latter is not implemented in the HVQFN32 package variant PN5120A0HN1/C2. Pin D1–D7 serve multiplexed roles: SPI MISO/TX, I²C SDA, or UART RX depending on interface configuration. The IRQ pin provides interrupt-driven communication to minimize host polling overhead.
Is the PN5120A0HN1/C2 qualified for automotive applications?
No, the PN5120A0HN1/C2 is not automotive-qualified. It belongs to version 2.0 and is rated for −30 °C to +85 °C ambient temperature. The industrial-grade variant PN512AA0HN1/C2 meets AEC-Q100 Grade 3 qualification and operates from −40 °C to +90 °C, but PN5120A0HN1/C2 is intended for industrial and consumer applications only. Its manufacturing sites are TS16949-certified, but the part itself lacks automotive stress testing documentation or failure analysis traceability required for automotive deployment.
How does the PN5120A0HN1/C2 handle cryptographic operations for MIFARE Classic?
The PN5120A0HN1/C2 includes licensed NXP MIFARE Crypto1 intellectual property and performs all cryptographic computations internally during ISO/IEC 14443A Reader/Writer mode transactions. It executes mutual authentication, key diversification, and encrypted data exchange without host MCU involvement - the host only manages command framing and response parsing. The PN5120A0HN1/C2 does not support AES or other post-MIFARE algorithms; cryptographic acceleration is limited to Crypto1 for backward compatibility with legacy MIFARE Classic cards.
PN5120A0HN1/C2,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE®
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- RFID Reader/Transponder
- Frequency:
- 13.56MHz
- Standards:
- FeliCa, ISO 14443, MIFARE, NFC
- Interface:
- I2C, SPI, UART
- Voltage - Supply:
- 2.5V ~ 3.6V
- Operating Temperature:
- -40°C ~ 90°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (5x5)
PN5120A0HN1/C2,118 FAQ
1.How can I place an order for PN5120A0HN1/C2,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for PN5120A0HN1/C2,118 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 PN5120A0HN1/C2,118 reliable?
The price and inventory of PN5120A0HN1/C2,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PN5120A0HN1/C2,118 is usually 5 days.
3.What payment methods are accepted for PN5120A0HN1/C2,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PN5120A0HN1/C2,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PN5120A0HN1/C2,118?
PN5120A0HN1/C2,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PN5120A0HN1/C2,118 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 PN5120A0HN1/C2,118?
For technical support, including PN5120A0HN1/C2,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PN5120A0HN1/C2,118 requirements.
6.How does Aetrix verify that PN5120A0HN1/C2,118 is sourced from the original manufacturer or authorized distributors?
All PN5120A0HN1/C2,118 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 PN5120A0HN1/C2,118 meets industry standards.
7.What is the process for return or replacement of PN5120A0HN1/C2,118?
All PN5120A0HN1/C2,118 units undergo pre-shipment inspection (PSI). If there is an issue with PN5120A0HN1/C2,118, 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 PN5120A0HN1/C2,118 part is unused and in its original packaging.
Return procedure for PN5120A0HN1/C2,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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