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NXP Semiconductors PN5120A0HN1/C1,157
- Part No.:
- PN5120A0HN1/C1,157
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
PN5120A0HN1/C1,157.pdf
- Description:
- IC RFID RDR/TRAN 13.56MZ 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,415
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Product details
Overview
PN5120A0HN1/C1,157 from NXP Semiconductors is a full NFC Forum-compliant contactless frontend IC for 13.56 MHz operation, 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 mobile payment terminals and transit ticketing readers.
For engineers reviewing the PN5120A0HN1/C1,157 datasheet, PN5120A0HN1/C1,157 pinout, PN5120A0HN1/C1,157 application, or PN5120A0HN1/C1,157 equivalent, this device delivers verified 424 kbit/s transfer speeds in MIFARE, FeliCa, and NFCIP-1 modes; operates from 2.5 V to 3.6 V; features a 32-pin HVQFN32 (5 × 5 × 0.85 mm) package; and provides SPI, I²C, UART, and serial host interfaces with 64-byte FIFO buffering.
Technical Context
The PN5120A0HN1/C1,157 implements a fully integrated analog front-end with dual transmitter outputs (TX1/TX2), differential receiver input (RX), internal 27.12 MHz oscillator support via OSCIN/OSCOUT, and programmable RF level and data mode detectors. Its digital baseband handles complete ISO/IEC 14443A framing, FeliCa sync/preamble generation, and NFCIP-1 active/passive mode arbitration without external protocol logic.
It supports four distinct operational modes with hardware-assisted modulation schemes: 100% ASK for ISO/IEC 14443A reader transmission, Manchester coding for FeliCa and ISO/IEC 14443B, and load-modulation-based card emulation. The S2C interface enables secure IC coupling, while IRQ, NRSTPD, and programmable I/Os provide deterministic system control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz carrier - enables interoperability with global NFC, MIFARE, FeliCa, and ISO/IEC 14443 infrastructure. |
| Data Rates | Up to 424 kbit/s in ISO/IEC 14443A, FeliCa, and NFCIP-1 modes - supports high-throughput mobile wallet and transit validation. |
| Supply Voltage | 2.5 V to 3.6 V (VDDA/VDDD) - compatible with standard 3.3 V embedded power rails and battery-backed systems. |
| Power-Down Current | ≤5 µA hard power-down - extends battery life in portable NFC readers and wearables. |
| Host Interfaces | SPI (10 Mbit/s), I²C (up to 3.4 MBd), UART (1228.8 kBd), no parallel interface - simplifies integration with microcontrollers and SoCs. |
| FIFO Depth | 64-byte send/receive buffer - reduces host CPU overhead during burst transfers and frame assembly. |
| Operating Temperature | −30 °C to +85 °C - qualified for industrial and consumer indoor/outdoor deployment. |
Pinout & Package
PN5120A0HN1/C1,157 uses the HVQFN32 (SOT617-1) package: plastic thermal enhanced very thin quad flat package, 32 terminals, body size 5 × 5 × 0.85 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0, A1 | Address Input | Selects internal register bank address when using serial interfaces; defines I²C slave address bits if I²C mode enabled. |
| D1–D7 | Bi-directional Data Bus | Not used for parallel interface in HVQFN32 variant; repurposed as test I/O or I²C address pins per datasheet note. |
| IRQ | Interrupt Output | Active-low signal indicating FIFO status, command completion, or RF event - enables low-latency host response. |
| NRSTPD | Reset & Power-Down Control | Low-active pin that disables oscillator, disconnects I/O pads, and shuts down analog blocks - critical for ultra-low-power sleep states. |
| RX | Receiver Input | Differential RF input from antenna matching network - accepts demodulated signals from ISO/IEC 14443A/B, FeliCa, or NFCIP-1 targets. |
| TX1, TX2 | Transmitter Outputs | Complementary 13.56 MHz carrier outputs driving antenna coil - support series or parallel resonant tank configurations. |
| OSCIN / OSCOUT | Crystal Oscillator Interface | Supports 27.12 MHz crystal or external clock source - eliminates need for separate RF synthesizer. |
| TVDD / TVSS | Transmitter Power/Ground | Dedicated supply domain for TX stage - isolates high-current RF switching noise from digital/analog domains. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated RF Level Detector | Enables automatic field presence detection and adaptive sensitivity control - improves reliability near metal or in multi-reader environments. |
| MIFARE Classic Crypto-1 Licensing | Embedded IP allows secure authentication with legacy MIFARE Classic cards without external crypto engine - accelerates payment terminal certification. |
| Hardware CRC Coprocessor | Offloads ISO/IEC 14443A and FeliCa CRC-16 calculation - ensures bit-level compliance and reduces host firmware complexity. |
| Programmable Data Mode Detector | Automatically identifies incoming MIFARE, FeliCa, or NFCIP-1 signal format - eliminates manual mode switching and enables seamless multi-protocol operation. |
| S2C Interface Support | Provides dedicated digital path to connect secure elements - enables EMVCo-compliant card emulation and secure credential storage. |
Applications
| Mobile Payment Terminal | Public Transit Fare Validator |
|---|---|
Use Scenario: Handheld or kiosk-based device reading contactless bank cards and smartphones at point-of-sale or gate entry. IC Role / Device Role / Timing Role: NFC frontend handling analog RF transmission/reception, protocol framing, and host interface bridging between secure element and MCU. Use Value: Supports 424 kbit/s MIFARE and NFCIP-1 transactions with ≤50 mm read range - meets PCI PTS v6.0 timing requirements for fast tap-and-go throughput. |
Use Scenario: Fixed or portable validator verifying FeliCa-based Suica/Pasmo cards or ISO/IEC 14443A transit credentials on buses and subway gates. IC Role / Device Role / Timing Role: Reader/writer IC executing FeliCa higher-speed communication and ISO/IEC 14443A anticollision - manages multiple card polling sequences. Use Value: Delivers robust 212/424 kbit/s FeliCa performance with integrated Manchester decoder - achieves <100 ms validation time under field interference. |
| Secure Access Badge Reader | NFC Tag Emulator for IoT Devices |
Use Scenario: Wall-mounted or desktop reader authenticating MIFARE DESFire EV3 or NTAG-based employee badges in enterprise facilities. IC Role / Device Role / Timing Role: Dual-mode IC operating in ISO/IEC 14443A reader mode and card emulation mode - enables bidirectional challenge-response handshakes. Use Value: Hardware-accelerated parity and CRC handling ensures sub-50 ms response latency - satisfies ISO/IEC 14443-4 T=CL timing constraints. |
Use Scenario: Battery-powered sensor node emulating an NFC tag to expose configuration data or firmware update triggers to smartphones. IC Role / Device Role / Timing Role: Card Operation mode frontend generating load-modulated responses - couples with external MCU via S2C or UART. Use Value: Achieves ~100 mm card emulation range with external field strength - enables reliable smartphone interaction without dedicated antenna tuning. |
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 + firmware stack; supports Android Host Card Emulation (HCE); lower RF output power (no TX1/TX2); 32-pin HVQFN same footprint. | Targeted at HCE-based smartphone accessories and IoT devices requiring minimal host processing - not suitable for standalone MIFARE Classic crypto or high-power reader designs. | Select PN7150B0HN/C1 only when firmware offload, Android compatibility, or reduced BOM count outweigh raw RF performance needs. |
| ST25R3916B | Higher RF output (±100 mA TX drive); supports ISO/IEC 14443A/B, FeliCa, NFCIP-1, plus ISO/IEC 15693; 48-pin QFN; requires external crystal. | Better suited for long-range (>70 mm) industrial readers and multi-standard asset tracking - lacks built-in MIFARE Classic licensing and S2C interface. | Choose ST25R3916B when extended range, ISO/IEC 15693 support, or higher TX current are mandatory - accept added firmware and layout complexity. |
Compared with PN5120A0HN1/C1,157, PN7150B0HN/C1 trades raw RF capability for integrated stack execution and HCE readiness, while ST25R3916B expands protocol coverage and output power at the cost of MIFARE licensing and S2C security integration - making PN5120A0HN1/C1,157 optimal for certified MIFARE-based payment and transit systems.
Availability
PN5120A0HN1/C1,157 is available at Aetrix Electronics and suitable for mobile payment terminals, public transit validators, secure access badge readers, and NFC tag emulators requiring stable component supply across industrial and consumer production cycles.
Supply support for PN5120A0HN1/C1,157 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 mobile applications - with deep expertise in NFC, RFID, and secure element technologies.
PN5120A0HN1/C1,157 belongs to NXP's PN512 family of NFC frontends, designed specifically for high-reliability, multi-protocol contactless reader/writer and card emulation systems in payment, transit, and access control markets.
FAQ
What communication protocols does the PN5120A0HN1/C1,157 support?
The PN5120A0HN1/C1,157 supports ISO/IEC 14443A/MIFARE (including MIFARE Classic encryption), ISO/IEC 14443B, FeliCa, and NFCIP-1 protocols across all four operating modes. It handles full physical layer modulation/demodulation and baseband framing for each standard, with hardware CRC and parity generation for ISO/IEC 14443A and FeliCa. The PN5120A0HN1/C1,157 does not support ISO/IEC 15693 or proprietary protocols outside this defined set.
Does the PN5120A0HN1/C1,157 include MIFARE Classic cryptographic licensing?
Yes, the PN5120A0HN1/C1,157 includes embedded NXP MIFARE Classic Crypto-1 intellectual property licensing rights - enabling secure authentication with MIFARE Classic 1K/4K cards directly in Reader/Writer mode without external crypto modules. This licensing is factory-programmed and does not require additional royalties or runtime activation. The PN5120A0HN1/C1,157 implements the full Crypto-1 algorithm in hardware for real-time cipher execution.
What is the maximum operating distance achievable with the PN5120A0HN1/C1,157?
In Reader/Writer mode, the PN5120A0HN1/C1,157 achieves up to 50 mm typical operating distance with ISO/IEC 14443A/MIFARE or NFCIP-1 targets, and up to 100 mm in Card Operation mode - both dependent on antenna size, tuning, and external field strength. These values assume optimized 40 Ω antenna matching between TX1/TX2 and use of complementary driver configuration per datasheet Table 1. Performance degrades below 3 V supply voltage.
Which host interfaces are available on the PN5120A0HN1/C1,157?
The PN5120A0HN1/C1,157 supports SPI (up to 10 Mbit/s), I²C-bus (Fast mode up to 400 kBd, High-speed mode up to 3.4 MBd), and serial UART (RS232-compatible, up to 1228.8 kBd). The 8-bit parallel interface is explicitly unavailable in the HVQFN32 package variant (PN5120A0HN1/C1,157), as confirmed in Section 1.1 of the datasheet. All interfaces share the same 64-byte FIFO buffer and interrupt-driven operation.
Is the PN5120A0HN1/C1,157 qualified for automotive applications?
No, the PN5120A0HN1/C1,157 is version 1.0 and is not automotive-qualified. Only the PN512AA0HN1/C2 and PN512AA0HN1/C2BI variants (industrial version) meet AEC-Q100 Grade 3 qualification. The PN5120A0HN1/C1,157 is rated for −30 °C to +85 °C ambient temperature and intended for industrial and consumer applications - not for under-hood or safety-critical vehicle systems.
PN5120A0HN1/C1,157 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE®
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tray
- 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/C1,157 FAQ
1.How can I place an order for PN5120A0HN1/C1,157 through Aetrix?
Please submit a Request for Quotation (RFQ) for PN5120A0HN1/C1,157 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/C1,157 reliable?
The price and inventory of PN5120A0HN1/C1,157 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PN5120A0HN1/C1,157 is usually 5 days.
3.What payment methods are accepted for PN5120A0HN1/C1,157?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PN5120A0HN1/C1,157 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PN5120A0HN1/C1,157?
PN5120A0HN1/C1,157 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PN5120A0HN1/C1,157 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/C1,157?
For technical support, including PN5120A0HN1/C1,157 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PN5120A0HN1/C1,157 requirements.
6.How does Aetrix verify that PN5120A0HN1/C1,157 is sourced from the original manufacturer or authorized distributors?
All PN5120A0HN1/C1,157 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/C1,157 meets industry standards.
7.What is the process for return or replacement of PN5120A0HN1/C1,157?
All PN5120A0HN1/C1,157 units undergo pre-shipment inspection (PSI). If there is an issue with PN5120A0HN1/C1,157, 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/C1,157 part is unused and in its original packaging.
Return procedure for PN5120A0HN1/C1,157:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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