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NXP Semiconductors PN5120A0HN/C1,551
- Part No.:
- PN5120A0HN/C1,551
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
PN5120A0HN/C1,551.pdf
- Description:
- IC RFID RDR/TRAN 13.56MZ 40HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,073
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Product details
Overview
PN5120A0HN/C1,551 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 contactless transactions in payment terminals, access control readers, and transit validators.
For engineers reviewing the PN5120A0HN/C1,551 datasheet, PN5120A0HN/C1,551 pinout, PN5120A0HN/C1,551 application, or PN5120A0HN/C1,551 equivalent, this device delivers verified 424 kbit/s transfer speeds across all supported protocols, integrated 64-byte FIFO buffering, programmable host interfaces (SPI/I²C/UART), and HVQFN40 package compatibility with antenna drive capability up to 50 mm operating distance in Reader mode.
Technical Context
The PN5120A0HN/C1,551 implements a fully integrated analog front-end for 13.56 MHz contactless communication, featuring dual TX outputs (TX1/TX2), differential RX input, internal 27.12 MHz oscillator support, and independent power domains (VDDA, VDDD, TVDD, PVDD, SVDD). Its digital baseband handles ISO/IEC 14443A framing, FeliCa sync/preamble generation, and NFCIP-1 active/passive mode arbitration without external protocol logic.
It supports four concurrent operating modes via register configuration: ISO/IEC 14443A/MIFARE Reader/Writer (with MIFARE Classic encryption), ISO/IEC 14443B Reader/Writer, Card Operation (FeliCa or ISO/IEC 14443A), and NFCIP-1 peer-to-peer - each with dedicated demodulator paths, data mode detection, and CRC16 coprocessing aligned to Ecma-340 and ISO/IEC 18092 standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz carrier with internal 27.12 MHz crystal oscillator support - enables precise RF timing without external clock source. |
| Data Rates | Up to 424 kbit/s in ISO/IEC 14443A, FeliCa, and NFCIP-1 modes - supports high-throughput transit ticketing and secure credential exchange. |
| Supply Voltage Range | 2.5 V to 3.6 V (VDDA/VDDD); separate 1.6–3.6 V rails for PVDD, TVDD, SVDD - allows flexible power domain partitioning for noise isolation. |
| Receiver Sensitivity | Robust demodulation for ISO/IEC 14443A, FeliCa, and NFCIP-1 signals - validated for operation at ≤50 mm read distance with matched 40 Ω antenna. |
| FIFO Buffer | 64-byte bidirectional FIFO - eliminates host interface bottlenecks during burst transfers in payment or tag emulation use cases. |
| Host Interfaces | SPI (up to 10 Mbit/s), I²C (Fast/High-speed modes), UART (RS232-level, up to 1228.8 kBd), and 8-bit parallel - enables direct integration with MCU, SoC, or FPGA host controllers. |
| Power-Down Current | ≤10 µA in soft power-down (RF detector active) - suitable for battery-powered handheld readers requiring low quiescent consumption. |
Pinout & Package
HVQFN40 package (SOT618-1), 6 × 6 × 0.85 mm body, 40-terminal no-lead thermally enhanced quad flat layout - optimized for compact NFC reader designs with efficient thermal dissipation under continuous TX operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TX1, TX2 | Modulated RF output drivers | Deliver 13.56 MHz carrier energy directly to antenna coil; support complementary drive configuration for improved EMI performance. |
| RX | Differential receiver input | Accepts load-modulated signals from cards/targets; internally biased for optimal sensitivity in ISO/IEC 14443A/FeliCa/NFCIP-1 reception. |
| IRQ | Interrupt request output | Asserts active-low signal on frame completion, error detection, or RF field presence - enables event-driven host firmware architecture. |
| NCS, NRD, NWR, ALE | Parallel interface control | Enable 8-bit host bus access (D0–D7) with address latching - required only when using parallel interface; unused for SPI/I²C/UART. |
| OSCIN, OSCOUT | Crystal oscillator interface | Supports 27.12 MHz quartz crystal or external clock input - provides stable timing reference for RF carrier synthesis and baseband timing. |
| TVDD, TVSS | Transmitter power supply | Dedicated 1.6–3.6 V rail for TX stage - isolates high-current RF switching noise from digital/analog domains. |
| VDDA, AVDD, AVSS | Analog supply and ground | Separate 2.5–3.6 V analog domain ensures precision ADC, RF detector, and demodulator performance. |
| D0–D7 | Bidirectional data bus | 8-bit parallel host interface pins; configurable as I²C address inputs or test I/Os when serial interfaces are selected. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated RF Level Detector | Enables automatic RF field presence detection without host polling - reduces latency in wake-on-field applications like door access readers. |
| MIFARE Classic Crypto-1 Licensing | Embedded IP enables secure authentication with legacy MIFARE Classic 1K/4K cards - eliminates need for external crypto co-processor in payment terminal designs. |
| Programmable Data Mode Detection | Automatically identifies ISO/IEC 14443A, FeliCa, or NFCIP-1 modulation on RX - simplifies multi-protocol firmware by offloading mode selection to hardware. |
| S2C Interface Support | Provides digital signaling path to secure ICs for card emulation - enables compliant implementation of EMVCo or Common Criteria certified secure element integration. |
| Internal CRC16 Coprocessor | Hardware-accelerated CRC calculation per ISO/IEC 14443-3, FeliCa, and NFCIP-1 - ensures deterministic frame validation and reduces host CPU overhead. |
| Hard Reset with Low-Power Function | NRSTPD pin triggers full internal reset and power-down sequence - guarantees known state recovery after brown-out or ESD events in industrial environments. |
Applications
| Payment Terminal Reader | Access Control System |
|---|---|
Use Scenario: Contactless credit/debit card reading in countertop or portable POS terminals. IC Role / Device Role / Timing Role: NFC frontend handling ISO/IEC 14443A/MIFARE and FeliCa physical layer communication, including ASK modulation, Manchester decoding, and CRC verification. Use Value: Enables EMV-compliant transaction initiation with ≤50 mm read range and 424 kbit/s throughput - reducing customer dwell time and supporting dual-interface (contact + contactless) payment flows. |
Use Scenario: Secure entry authentication using MIFARE DESFire or FeliCa-based employee badges. IC Role / Device Role / Timing Role: Reader/writer IC executing ISO/IEC 14443A anticollision, authentication handshakes, and encrypted data exchange with smart cards. Use Value: Delivers robust field stability and fast frame processing to support sub-second badge validation - critical for high-traffic office building entrances and secure facility zones. |
| Transit Fare Validator | NFC Peer-to-Peer Device |
Use Scenario: High-speed tap-in/tap-out validation on buses, trains, and metro gates. IC Role / Device Role / Timing Role: FeliCa Higher transfer speed (424 kbit/s) mode frontend managing sync/preamble insertion, Len byte framing, and CRC generation per FeliCa spec. Use Value: Achieves <150 ms total transaction time including field activation, card select, and balance update - meeting strict transit system dwell-time requirements. |
Use Scenario: Android-to-Android or smartphone-to-kiosk NFC data exchange using NFCIP-1 active/passive modes. IC Role / Device Role / Timing Role: NFCIP-1 initiator/target frontend implementing Ecma-340/ISO/IEC 18092 framing, active RF field generation, and load modulation response. Use Value: Supports certified NFC Forum Tag Operation and Peer-to-Peer modes - enabling interoperable contactless sharing of URLs, business cards, or pairing tokens. |
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 firmware, single-wire host interface (SWP), lower power consumption (3.5 mA typical active current), no parallel interface. | Targeted at mobile accessories and wearables where size and power are critical; lacks 8-bit parallel and full ISO/IEC 14443B support. | Select PN7150B0HN/C1 for space-constrained, battery-operated devices requiring simplified host integration and built-in NFC stack. |
| CLRC66302HN | Enhanced security features (AES engine, secure boot), extended temperature range (−40 °C to +105 °C), identical HVQFN40 package and pinout. | Designed for automotive and industrial applications requiring AEC-Q100 Grade 2 qualification and cryptographic acceleration. | Select CLRC66302HN when deploying in harsh environments or where hardware-accelerated AES-128 encryption is mandatory for secure credential storage. |
Compared with PN5120A0HN/C1,551, PN7150B0HN/C1 offers reduced BOM count and faster time-to-market via embedded firmware but sacrifices protocol flexibility and parallel interface support; CLRC66302HN adds automotive-grade reliability and AES acceleration at the cost of higher unit price and no MIFARE Classic licensing.
Availability
PN5120A0HN/C1,551 is available at Aetrix Electronics and suitable for payment terminals, access control systems, and transit validators requiring stable component supply, long-term lifecycle support, and NFC Forum certification compliance.
Supply support for PN5120A0HN/C1,551 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 consumer markets, with headquarters in Eindhoven, Netherlands.
The PN512 product line was designed as a high-integration NFC frontend for cost-sensitive, high-volume contactless reader applications - delivering full NFC Forum compliance while minimizing external component count and host processing burden.
FAQ
What communication protocols does the PN5120A0HN/C1,551 support?
The PN5120A0HN/C1,551 supports ISO/IEC 14443A/MIFARE (including MIFARE Classic encryption), ISO/IEC 14443B, FeliCa, and NFCIP-1 protocols across Reader/Writer, Card Operation, and peer-to-peer modes. Each protocol is handled by dedicated analog and digital signal paths within the PN5120A0HN/C1,551, with hardware-accelerated CRC and framing aligned to respective standards.
Does the PN5120A0HN/C1,551 include MIFARE Classic cryptographic licensing?
Yes, the PN5120A0HN/C1,551 includes embedded NXP MIFARE Classic Crypto-1 intellectual property licensing rights. This allows the PN5120A0HN/C1,551 to perform full authentication and encrypted data exchange with MIFARE Classic 1K and 4K cards without requiring external crypto hardware or software licensing fees.
What is the maximum operating distance achievable with the PN5120A0HN/C1,551 in Reader mode?
The PN5120A0HN/C1,551 achieves a typical operating distance of up to 50 mm in Reader/Writer mode for ISO/IEC 14443A/MIFARE and FeliCa protocols, and up to 100 mm in Card Operation mode - both dependent on antenna size, tuning, and external field strength. Performance assumes a properly matched 40 Ω antenna between TX1 and TX2 pins.
Which host interfaces are available on the PN5120A0HN/C1,551?
The PN5120A0HN/C1,551 supports SPI (up to 10 Mbit/s), I²C (Fast mode up to 400 kBd, High-speed mode up to 3400 kBd), UART (RS232-level, up to 1228.8 kBd), and an 8-bit parallel interface. The parallel interface is only available in the HVQFN40 package variant, matching the PN5120A0HN/C1,551's physical configuration.
What power supply configurations does the PN5120A0HN/C1,551 require?
The PN5120A0HN/C1,551 requires five independent supply rails: VDDA/VDDD (2.5–3.6 V), TVDD (1.6–3.6 V), PVDD (1.6–3.6 V), and SVDD (1.6–3.6 V), with corresponding ground connections (AVSS, DVSS, TVSS, PVSS, SVSS). All supplies must be decoupled per NXP layout guidelines to ensure stable RF performance and low-noise analog operation.
PN5120A0HN/C1,551 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE®
- Package/Case:
- 40-VFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 40-HVQFN (6x6)
PN5120A0HN/C1,551 FAQ
1.How can I place an order for PN5120A0HN/C1,551 through Aetrix?
Please submit a Request for Quotation (RFQ) for PN5120A0HN/C1,551 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 PN5120A0HN/C1,551 reliable?
The price and inventory of PN5120A0HN/C1,551 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PN5120A0HN/C1,551 is usually 5 days.
3.What payment methods are accepted for PN5120A0HN/C1,551?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PN5120A0HN/C1,551 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PN5120A0HN/C1,551?
PN5120A0HN/C1,551 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PN5120A0HN/C1,551 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 PN5120A0HN/C1,551?
For technical support, including PN5120A0HN/C1,551 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PN5120A0HN/C1,551 requirements.
6.How does Aetrix verify that PN5120A0HN/C1,551 is sourced from the original manufacturer or authorized distributors?
All PN5120A0HN/C1,551 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 PN5120A0HN/C1,551 meets industry standards.
7.What is the process for return or replacement of PN5120A0HN/C1,551?
All PN5120A0HN/C1,551 units undergo pre-shipment inspection (PSI). If there is an issue with PN5120A0HN/C1,551, 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 PN5120A0HN/C1,551 part is unused and in its original packaging.
Return procedure for PN5120A0HN/C1,551:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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