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NXP Semiconductors PN512AA0HN1/C2,557
- Part No.:
- PN512AA0HN1/C2,557
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
PN512AA0HN1/C2,557.pdf
- Description:
- IC RFID RDR/TRAN 13.56MZ 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,862
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Product details
Overview
PN512AA0HN1/C2 from NXP Semiconductors is a fully NFC Forum-compliant, highly integrated 13.56 MHz NFC frontend IC supporting Reader/Writer, Card Operation, and NFCIP-1 modes. It delivers ISO/IEC 14443A/MIFARE, ISO/IEC 14443B, and FeliCa protocol handling with up to 424 kbit/s transfer speeds, integrated RF level and data mode detection, and buffered antenna drivers - enabling contactless payment terminals and secure access readers.
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 industrial qualification, HVQFN32 package with 5 × 5 × 0.85 mm footprint, support for SPI/I²C/UART host interfaces, 2.5–3.6 V supply range, and integrated CRC coprocessor for ISO/IEC 14443A and FeliCa framing.
Technical Context
The PN512AA0HN1/C2 implements a complete analog front-end for 13.56 MHz contactless communication, featuring dual transmitter outputs (TX1/TX2), a high-sensitivity receiver input (RX), internal oscillator for 27.12 MHz crystal, and integrated RF level detector plus data mode detector to auto-identify MIFARE/FeliCa/NFCIP-1 signal formats. Its digital baseband handles full ISO/IEC 14443A framing, parity, and CRC generation, while the S2C interface enables secure IC coupling.
It supports four distinct operating modes: ISO/IEC 14443A/MIFARE Reader/Writer (106/212/424 kbit/s), ISO/IEC 14443B Reader/Writer (with external oscillator and power supply), ISO/IEC 14443A/MIFARE/FeliCa Card Operation (up to ~100 mm range), and NFCIP-1 (active/passive, up to 424 kbit/s per ECMA-340/ISO/IEC 18092). The 64-byte FIFO buffer and programmable interrupt logic streamline host controller integration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz carrier - enables global NFC interoperability per ISO/IEC 14443 and NFC Forum standards. |
| Data Rates | Up to 424 kbit/s in ISO/IEC 14443A, FeliCa, and NFCIP-1 modes - supports high-speed ticketing, payment, and peer-to-peer exchange. |
| Supply Voltage | 2.5 V to 3.6 V (VDDA/VDDD) - compatible with modern low-voltage microcontrollers and battery-powered designs. |
| Power-Down Current | ≤15 µA hard power-down, ≤30 µA soft power-down - extends battery life in portable NFC readers and wearables. |
| Operating Temperature | −40 °C to +90 °C - qualified per AEC-Q100 Grade 3 for industrial and automotive-adjacent applications. |
| Host Interfaces | SPI (up to 10 Mbit/s), I²C (Fast/High-speed modes), UART (RS232-level, up to 1228.8 kBd) - flexible connectivity without requiring parallel bus. |
| FIFO Buffer | 64-byte send/receive buffer - reduces host CPU overhead and enables burst-mode transaction handling. |
Pinout & Package
HVQFN32 package (SOT617-1), 5 × 5 × 0.85 mm body, thermally enhanced no-lead construction - optimized for compact, high-density PCB layouts with efficient heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0, A1 | Address Input | Configure I²C slave address or select parallel interface addressing; unused in serial-only configurations. |
| D1–D7 | Bi-directional Data Bus | Shared I/Os for test signals, I²C address definition, or serial interface auxiliary functions - no 8-bit parallel interface on HVQFN32. |
| IRQ | Interrupt Output | Active-low signal indicating FIFO status, command completion, or error condition - enables event-driven host firmware. |
| NRSTPD | Reset & Power-Down Control | Low-active pin that disables internal current sinks, halts oscillator, and isolates I/O pads - critical for low-power sequencing. |
| RX | Receiver Input | Single-ended analog input for demodulated card response signals - requires impedance-matched antenna circuitry. |
| TX1, TX2 | Transmitter Outputs | Differential 13.56 MHz carrier outputs driving antenna coil - support complementary driver configuration for optimal field strength. |
| TVDD, TVSS | Transmitter Power/Ground | Dedicated supply rails for output stage - decoupling here minimizes RF noise coupling into digital/analog domains. |
| OSCIN, OSCOUT | Crystal Oscillator Interface | Supports 27.12 MHz fundamental-mode quartz crystal - eliminates need for external clock generator. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated RF Level Detector | Enables automatic field presence detection without host polling - reduces latency in wake-on-field applications. |
| Programmable Data Mode Detection | Auto-identifies MIFARE/FeliCa/NFCIP-1 modulation schemes - simplifies multi-protocol firmware design. |
| Buffered Antenna Drivers | Drives tuned antenna directly with minimal external components - cuts BOM count and layout complexity. |
| MIFARE Classic Crypto-1 Licensing | Embedded IP enables secure reader implementation for legacy MIFARE Classic cards - no royalty negotiation required. |
| S2C Interface Support | Provides dedicated digital path to secure elements - essential for EMVCo-compliant payment terminals and eID solutions. |
Applications
| Access Control Reader | Public Transit Validator |
|---|---|
Use Scenario: Standalone door controller reading MIFARE DESFire or FeliCa credentials at building entrances. IC Role / Device Role / Timing Role: NFC frontend managing analog RF transmission/reception, protocol framing, and host handshaking via SPI. Use Value: AEC-Q100 Grade 3 rating ensures reliable operation in uncontrolled environments; 424 kbit/s FeliCa support enables fast commuter tap-through. |
Use Scenario: Handheld validator used by transit staff to verify stored-value FeliCa or Suica cards. IC Role / Device Role / Timing Role: Full-stack NFC transceiver executing ISO/IEC 14443B anticollision, FeliCa framing, and CRC validation autonomously. Use Value: Integrated RF level detector enables instant wake-from-sleep on card approach; 100 mm card operation range improves ergonomics during validation. |
| POS Terminal Peripheral | Industrial Asset Tag Reader |
Use Scenario: Compact add-on module for Android-based POS systems enabling contactless payment acceptance. IC Role / Device Role / Timing Role: Host-controlled NFC interface bridging Android's NFC HAL to physical 13.56 MHz layer via UART or I²C. Use Value: Dual-mode NFCIP-1 support allows peer-to-peer data exchange between terminals; 64-byte FIFO prevents packet loss during high-volume transaction bursts. |
Use Scenario: Ruggedized handheld used in factory maintenance to read NFC-enabled equipment tags containing service history and calibration data. IC Role / Device Role / Timing Role: Robust NFC frontend operating across −40 °C to +90 °C, interfacing with ARM Cortex-M host over SPI. Use Value: Industrial temperature grade and HVQFN32 thermal performance ensure reliability in hot machinery environments; low-power modes extend battery runtime per charge. |
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 + firmware stack; single-chip solution with embedded NCI protocol handler - eliminates host-side NFC stack development. | Targeted at cost-sensitive consumer electronics where rapid time-to-market outweighs flexibility; lacks AEC-Q100 qualification. | Choose when full software abstraction and certified NFC Forum compliance are prioritized over raw hardware control and industrial robustness. |
| ST25R3916B | Higher RF output power (up to 1.5 W), extended 13.56 MHz field range (>150 mm), and advanced analog tuning features including adaptive matching - but no built-in MIFARE Crypto-1 licensing. | Preferred for long-range industrial readers and medical devices requiring maximum coupling margin; requires external secure element for MIFARE Classic support. | Choose when extended read range and dynamic antenna tuning are critical, and MIFARE Classic compatibility can be added externally. |
Compared with PN7150B01HN/C1 and ST25R3916B, the PN512AA0HN1/C2 provides deterministic low-level hardware control, AEC-Q100 Grade 3 qualification, and embedded MIFARE Classic IP - making it optimal for industrial-grade readers where firmware customization, thermal resilience, and legacy card support are mandatory.
Availability
PN512AA0HN1/C2 is available at Aetrix Electronics and suitable for access control systems, public transit validators, POS terminal peripherals, and industrial asset tag readers requiring stable component supply across extended temperature ranges and long product lifecycles.
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 leader in secure connectivity solutions, specializing in RFID, NFC, and secure authentication ICs for automotive, industrial, and mobile markets.
The PN512AA0HN1/C2 belongs to NXP's NFC frontend product line, designed specifically for high-reliability, multi-protocol contactless reader applications demanding industrial temperature operation and embedded cryptographic IP.
FAQ
What is the primary function of the PN512AA0HN1/C2 in an NFC system?
The PN512AA0HN1/C2 serves as a complete analog and digital NFC frontend IC, handling all 13.56 MHz RF transmission, reception, modulation/demodulation, protocol framing (ISO/IEC 14443A/B, FeliCa, NFCIP-1), and host interface bridging. It does not include an embedded NFC controller - the host processor manages higher-layer protocols, while the PN512AA0HN1/C2 executes the physical and data-link layers with hardware acceleration for CRC, parity, and timing-critical operations.
Does the PN512AA0HN1/C2 support MIFARE Classic encryption natively?
Yes, the PN512AA0HN1/C2 includes licensed NXP MIFARE Classic Crypto-1 intellectual property embedded in silicon. This enables hardware-accelerated authentication and encrypted communication with MIFARE Classic cards in Reader/Writer mode without requiring external crypto modules or host-side software implementation of the algorithm.
What host interfaces are supported by the PN512AA0HN1/C2, and which are available in the HVQFN32 package?
The PN512AA0HN1/C2 supports SPI (up to 10 Mbit/s), I²C (Fast/High-speed modes), and UART (RS232-level, up to 1228.8 kBd). The HVQFN32 package (PN512AA0HN1/C2) does not support the 8-bit parallel interface - that is exclusive to the HVQFN40 variant. All three serial interfaces are fully functional and pin-assigned on the HVQFN32.
Is the PN512AA0HN1/C2 qualified for automotive applications?
The PN512AA0HN1/C2 is qualified per AEC-Q100 Grade 3 (−40 °C to +90 °C), meeting the stress-test requirements for automotive integrated circuits. However, NXP explicitly states it was not originally designed for automotive use, and customers must recognize that failure analysis depth and quality metrics may differ from products developed expressly for automotive safety-critical systems.
How does the PN512AA0HN1/C2 handle antenna tuning and RF field optimization?
The PN512AA0HN1/C2 provides two differential transmitter outputs (TX1/TX2) and a dedicated receiver input (RX), requiring external LC matching network design. It includes an integrated RF level detector and programmable data mode detector to assist in automatic field strength monitoring and protocol-specific tuning. Optimal performance depends on careful antenna design, impedance matching to 40 Ω between TX1/TX2, and proper decoupling of TVDD/TVSS rails - no internal automatic tuning circuitry is present.
PN512AA0HN1/C2,557 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/C2,557 FAQ
1.How can I place an order for PN512AA0HN1/C2,557 through Aetrix?
Please submit a Request for Quotation (RFQ) for PN512AA0HN1/C2,557 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/C2,557 reliable?
The price and inventory of PN512AA0HN1/C2,557 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PN512AA0HN1/C2,557 is usually 5 days.
3.What payment methods are accepted for PN512AA0HN1/C2,557?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PN512AA0HN1/C2,557 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PN512AA0HN1/C2,557?
PN512AA0HN1/C2,557 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PN512AA0HN1/C2,557 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/C2,557?
For technical support, including PN512AA0HN1/C2,557 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PN512AA0HN1/C2,557 requirements.
6.How does Aetrix verify that PN512AA0HN1/C2,557 is sourced from the original manufacturer or authorized distributors?
All PN512AA0HN1/C2,557 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/C2,557 meets industry standards.
7.What is the process for return or replacement of PN512AA0HN1/C2,557?
All PN512AA0HN1/C2,557 units undergo pre-shipment inspection (PSI). If there is an issue with PN512AA0HN1/C2,557, 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/C2,557 part is unused and in its original packaging.
Return procedure for PN512AA0HN1/C2,557:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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