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NXP Semiconductors PN512AA0HN1/C2,551
- Part No.:
- PN512AA0HN1/C2,551
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
PN512AA0HN1/C2,551.pdf
- Description:
- IC RFID RDR/TRAN 13.56MZ 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,991
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Product details
Overview
PN512AA0HN1/C2 from NXP Semiconductors is a full NFC Forum-compliant frontend IC for 13.56 MHz contactless communication, 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 access control systems and mobile payment terminals.
For engineers reviewing the PN512AA0HN1/C2 datasheet, PN512AA0HN1/C2 pinout, PN512AA0HN1/C2 application, or PN512AA0HN1/C2 equivalent, key selection considerations include its AEC-Q100 Grade 3 qualification, HVQFN32 package with 5 × 5 × 0.85 mm footprint, 2.5–3.6 V supply range, 424 kbit/s max data rate across all protocols, and support for SPI (10 Mbit/s), I²C (up to 3.4 MBd), and UART interfaces.
Technical Context
The PN512AA0HN1/C2 implements a fully integrated analog front-end with dual transmitter outputs (TX1/TX2), differential receiver input (RX), internal 27.12 MHz oscillator interface (OSCIN/OSCOUT), and programmable RF level detector. Its digital baseband handles ISO/IEC 14443A framing, FeliCa sync/preamble insertion, and NFCIP-1 active/passive mode switching without host intervention.
It features a 64-byte FIFO buffer, hardware CRC16 generator/checker, parity generation per transfer speed, and S2C interface for secure IC coupling. The industrial version (PN512AA0HN1/C2) extends ambient operating temperature to −40 °C to +90 °C and meets AEC-Q100 Grade 3 stress testing requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz carrier - enables interoperability with global NFC standards including ISO/IEC 14443, FeliCa, and NFCIP-1. |
| Max Data Rate | 424 kbit/s in all modes (ISO/IEC 14443A, FeliCa, NFCIP-1) - supports high-throughput secure transactions and fast card emulation. |
| Supply Voltage Range | 2.5 V to 3.6 V (VDDA/VDDD) - compatible with modern low-voltage microcontrollers and battery-powered designs. |
| Operating Temperature | −40 °C to +90 °C - qualified per AEC-Q100 Grade 3 for automotive-grade reliability in harsh environments. |
| Host Interfaces | SPI (10 Mbit/s), I²C (Fast/High-speed modes), UART (RS232-level) - enables flexible integration with MCU families without protocol translation. |
| FIFO Depth | 64 bytes - buffers full frames for ISO/IEC 14443A, FeliCa, and NFCIP-1, reducing host interrupt frequency and improving real-time response. |
| Power-Down Current | ≤15 µA (hard), ≤30 µA (soft) at 3 V - enables ultra-low-power standby in portable and energy-sensitive applications. |
Pinout & Package
HVQFN32 package (SOT617-1), 5 × 5 × 0.85 mm body, thermally enhanced no-lead construction with exposed thermal pad - optimized for compact, high-density PCB layouts and efficient heat dissipation in handheld readers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TX1, TX2 | Dual RF transmitter outputs | Drive antenna coil differentially; enable robust field generation up to 50 mm read range in Reader mode. |
| RX | Receiver input | Accepts load-modulated signals from cards/targets; integrated demodulator supports ASK, BPSK, and Manchester decoding. |
| IRQ | Interrupt request output | Signals frame completion, error, or RF field detection - eliminates polling and reduces host CPU overhead. |
| NRSTPD | Reset and power-down control | Active-low signal that disables oscillator, disconnects I/O pads, and cuts current to ≤15 µA in hard power-down. |
| OSCIN / OSCOUT | Crystal oscillator interface | Supports 27.12 MHz quartz crystal or external clock source - ensures precise timing for 13.56 MHz carrier synthesis. |
| VMID | Internal reference voltage | Provides stable mid-supply bias (≈VDD/2) for analog circuitry - improves RX sensitivity and ADC linearity. |
| SVDD | S2C interface power supply | Dedicated 1.6–3.6 V rail for secure IC coupling - isolates sensitive crypto power domain from digital noise. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated RF Level Detector | Enables automatic RF field presence detection without host polling - critical for low-latency wake-up in battery-powered devices. |
| Programmable Data Mode Detector | Auto-identifies MIFARE/FeliCa/NFCIP-1 modulation on RX - allows seamless multi-protocol operation without firmware reconfiguration. |
| Buffered Antenna Drivers | Drives 40 Ω matched antenna directly - eliminates need for external MOSFETs or matching networks in most reader designs. |
| Hardware CRC16 Coprocessor | Offloads CRC calculation per ISO/IEC 14443A, FeliCa, and NFCIP-1 - ensures deterministic frame validation and reduces MCU processing load. |
| S2C Interface Support | Provides dedicated digital path to secure elements - enables certified card emulation (CE) and secure element coexistence per NFC Forum specifications. |
Applications
| Access Control Terminal | Mobile Point-of-Sale (mPOS) |
|---|---|
|
Use Scenario: Secure door entry system using MIFARE DESFire EV3 credentials and biometric verification. IC Role / Device Role / Timing Role: PN512AA0HN1/C2 acts as the contactless frontend handling ISO/IEC 14443A modulation, demodulation, and framing - interfacing with a secure MCU over SPI. Use Value: Enables <50 ms transaction time with 50 mm read distance and AEC-Q100-rated reliability for outdoor installations. |
Use Scenario: Handheld credit card reader accepting contactless EMV payments via Visa PayWave or Mastercard PayPass. IC Role / Device Role / Timing Role: PN512AA0HN1/C2 operates in Reader/Writer mode to communicate with payment cards at 424 kbit/s - managed by ARM Cortex-M4 host over UART. Use Value: Delivers certified EMVCo Level 1 compliance with built-in CRC, parity, and framing - reducing certification effort and time-to-market. |
| Automotive Keyless Entry | NFC-Enabled Industrial Tablet |
|
Use Scenario: Passive keyless entry (PKE) fob reader embedded in vehicle door handle with wake-on-RF capability. IC Role / Device Role / Timing Role: PN512AA0HN1/C2 runs in Card Operation mode to emulate MIFARE Classic credentials - powered by external field and coupled to secure MCU via S2C. Use Value: Achieves 100 mm card emulation range and −40 °C to +90 °C operation - meeting automotive environmental and functional safety requirements. |
Use Scenario: Ruggedized tablet used in factory floor asset tracking, reading NFC tags on machinery and tooling. IC Role / Device Role / Timing Role: PN512AA0HN1/C2 serves as universal NFC reader supporting ISO/IEC 14443A/B, FeliCa, and NFCIP-1 - connected to Linux SoC via I²C. Use Value: Single-chip support for legacy MIFARE, Japanese FeliCa, and peer-to-peer NFC - eliminating need for multiple readers in mixed-deployment sites. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC frontend applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN7150B01HN/C1 | Integrated NFC controller (host processor + frontend); single-chip solution with embedded firmware; supports only ISO/IEC 14443A/B and NFCIP-1 - no FeliCa or MIFARE Crypto1 licensing. | Targeted at cost-sensitive consumer electronics; lacks AEC-Q100 qualification and S2C interface for secure IC coupling. | Select when full stack offload is needed and FeliCa/MIFARE Classic support is not required. |
| CLRC66302HN | Legacy NXP NFC frontend; supports same protocols but limited to 212 kbit/s max; no AEC-Q100 Grade 3 rating; HVQFN48 package (6 × 6 mm). | Used in older industrial readers; higher power consumption (IDDA up to 15 mA vs. 10 mA typ. for PN512AA0HN1/C2); no 424 kbit/s FeliCa support. | Select only for backward-compatible replacements where 424 kbit/s performance and extended temperature range are not critical. |
Compared with PN7150B01HN/C1 and CLRC66302HN, the PN512AA0HN1/C2 uniquely combines AEC-Q100 Grade 3 qualification, 424 kbit/s FeliCa support, MIFARE Crypto1 licensing, and S2C interface - making it the only option for automotive-grade, multi-protocol, secure NFC designs requiring field-proven reliability.
Availability
PN512AA0HN1/C2 is available at Aetrix Electronics and suitable for access control terminals, mobile point-of-sale devices, automotive keyless entry systems, and industrial NFC tablets requiring stable component supply and long-term lifecycle assurance.
Supply support for PN512AA0HN1/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 deep expertise in NFC, RFID, and secure element technologies.
The PN512 product line delivers highly integrated, standards-compliant NFC frontends designed for robust, multi-protocol contactless communication in demanding environments - including automotive, payment, and industrial automation.
FAQ
What is the maximum operating temperature range for PN512AA0HN1/C2?
The PN512AA0HN1/C2 is qualified per AEC-Q100 Grade 3 and operates from −40 °C to +90 °C. This extended range is validated across the full HVQFN32 package and all electrical parameters, including RF performance and power-down current, making it suitable for under-hood automotive and outdoor industrial deployments where thermal stability is critical. The PN512AA0HN1/C2 maintains full functionality within this range without derating.
Does PN512AA0HN1/C2 support FeliCa protocol at 424 kbit/s?
Yes, PN512AA0HN1/C2 fully supports FeliCa communication at both 212 kbit/s and 424 kbit/s in Reader/Writer mode, including automatic preamble (six 00h bytes) and sync byte (B2h, 4Dh) generation, Len byte handling, and hardware CRC calculation per FeliCa specification. This capability is confirmed in Section 7.3 of the official datasheet and enables compatibility with Japanese transit and e-money systems requiring high-speed FeliCa operation.
Is PN512AA0HN1/C2 pin-compatible with other PN512 variants like PN5120A0HN1/C2?
Yes, PN512AA0HN1/C2 shares identical HVQFN32 pinout (SOT617-1) and electrical characteristics with PN5120A0HN1/C2 and PN5120A0HN1/C1. All three variants use the same 32-pin layout, register map, and interface timing - allowing direct PCB reuse. The primary differences are qualification level (AEC-Q100 Grade 3 for PN512AA0HN1/C2) and minor parametric tolerances, not pin assignment or function.
What host interfaces does PN512AA0HN1/C2 support, and what are their maximum speeds?
PN512AA0HN1/C2 supports SPI (up to 10 Mbit/s), I²C (Fast mode: 400 kBd; High-speed mode: 3.4 MBd), and UART (up to 1228.8 kBd). All interfaces are implemented in hardware with dedicated registers and FIFO buffering - no software bit-banging required. The UART uses RS232-level signaling referenced to DVDD, while SPI and I²C operate at standard logic levels compatible with 3.3 V microcontrollers.
Does PN512AA0HN1/C2 include MIFARE Classic encryption support?
Yes, PN512AA0HN1/C2 includes licensed NXP MIFARE Crypto1 intellectual property and supports MIFARE Classic encryption in Reader/Writer mode. This enables full authentication and secure data exchange with MIFARE Classic 1K/4K cards - verified in Section 2 ("Features and benefits") and Table 6 of the datasheet. The encryption engine operates in hardware, offloading computation from the host MCU and ensuring deterministic timing for secure transactions.
PN512AA0HN1/C2,551 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE®
- Package/Case:
- 32-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:
- 32-HVQFN (5x5)
PN512AA0HN1/C2,551 FAQ
1.How can I place an order for PN512AA0HN1/C2,551 through Aetrix?
Please submit a Request for Quotation (RFQ) for PN512AA0HN1/C2,551 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 PN512AA0HN1/C2,551 reliable?
The price and inventory of PN512AA0HN1/C2,551 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PN512AA0HN1/C2,551 is usually 5 days.
3.What payment methods are accepted for PN512AA0HN1/C2,551?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PN512AA0HN1/C2,551 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PN512AA0HN1/C2,551?
PN512AA0HN1/C2,551 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PN512AA0HN1/C2,551 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 PN512AA0HN1/C2,551?
For technical support, including PN512AA0HN1/C2,551 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PN512AA0HN1/C2,551 requirements.
6.How does Aetrix verify that PN512AA0HN1/C2,551 is sourced from the original manufacturer or authorized distributors?
All PN512AA0HN1/C2,551 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 PN512AA0HN1/C2,551 meets industry standards.
7.What is the process for return or replacement of PN512AA0HN1/C2,551?
All PN512AA0HN1/C2,551 units undergo pre-shipment inspection (PSI). If there is an issue with PN512AA0HN1/C2,551, 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 PN512AA0HN1/C2,551 part is unused and in its original packaging.
Return procedure for PN512AA0HN1/C2,551:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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