PN512AA0HN1 - 13.56MHz Full NFC Forum Frontend | NXP HVQFN-32
N.º da peça: PN512AA0HN1 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.5 | $7,50 |
| 10 | $6.8 | $68,00 |
| 100 | $5.95 | $595,00 |
| 500 | $5.2 | $2.600,00 |
| 1.000 | $4.65 | $4.650,00 |
PN512AA0HN1 Visão geral
Background: An NFC (Near Field Communication) frontend is a contactless communication transceiver that combines a reader/writer, a card emulator, and a peer-to-peer initiator inside a single IC. It belongs to the RFID reader/transponder IC category within the wireless/RF hierarchy, and is widely used for contactless payment, access control, ticketing, and device pairing. NFC frontends operate at 13.56 MHz on the ISM band and implement the ISO 14443 / ISO 15693 / NFC Forum standards for modulated inductive coupling to passive tags and peer devices.
Key features include a highly integrated analog frontend with outstanding modulation and demodulation, an integrated data mode detector that auto-selects among the supported protocols, hardware support for crypto-relevant MIFARE classic commands, and selectable host interfaces to ease integration with MCU hosts. The IC also includes flexible interrupt generation, low-power standby modes, and a wide operating temperature range suited to embedded designs.
The PN512AA0HN1 architecture combines a powerful 80C51-compatible internal control logic with a fully featured analog frontend for RF amplification, signal shaping, and demodulation. The on-chip TX driver delivers a high modulation depth capable of driving printed or wire-loop antennas directly, while the receiver chain includes I/Q demodulation channels with selectable gain stages. The device integrates an extensive register set managed over the host bus for protocol timing, framing, and FIFO buffer control.
Typical applications include contactless payment terminals, NFC peer-to-peer device pairing, ISO 14443 / ISO 15693 access-control readers, MIFARE classic/Ultralight/NTAG read/write modules, and embedded NFC Forum reader/writer designs for industrial HMI panels. The PN512AA0HN1/C2BI variant adds burn-in qualification, while the /C2 (HVQFN32) industrial version fulfils AEC-Q100 grade 3 stress-test qualification for automotive cabin and telematics use cases.
When designing with PN512AA0HN1, observe antenna matching network guidelines in the datasheet to maximize coupling distance and minimize reflected power into the TX driver. Place the host bus pull-ups and decoupling capacitors as close as possible to the HVQFN32 pins, and route the differential antenna traces with controlled impedance to avoid harmonic distortion of the 13.56 MHz carrier.
This page synthesizes distributor pricing, AEC-Q100 grade 3 automotive variant information, and a cross-reference to the PN5180A0HN/C2Y successor, providing information not collated in the manufacturer datasheet alone.
Alternativas drop-in para PN512AA0HN1 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PN5120A0HN
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PN512AA0HN1/C2
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PN512AA0HN1/C2BI
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PN512AA0HN1/C2,518
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PN512AA0HN1/C2,551
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PN512AA0HN1/C2BIY
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PN512AA0HN1 Especificações
| Função | Full NFC Forum-compliant frontend (Reader/Writer, Card Emulation, P2P) |
| RF Frequency | 13.56 MHz |
| Supported Standards | FeliCa, ISO 14443 A/B, ISO 15693, MIFARE, NFC Forum tags |
| Host Interfaces | I2C, SPI, UART |
| Tensão de alimentação | 2.5 V to 3.6 V |
| Encapsulamento | HVQFN-32 (5x5 mm) with exposed pad |
| Modulation | Amplitude modulation with configurable depth (10% to 100%) |
| Receiver | I/Q synchronous demodulation with selectable gain |
| TX Driver | Differential, supports direct antenna drive |
| Buffer | 64-byte internal FIFO for host data |
| Crypto Support | MIFARE Classic hardware crypto (CRYPTO1) |
| Automotive Qualification | AEC-Q100 grade 3 (industrial variant /C2) |
| Burn-In Variant | PN512AA0HN1/C2BI (burn-in qualified) |
| Tipo de montagem | Surface Mount |
Configuração de pinos do PN512AA0HN1
| Pino 1 | TX1 — Differential antenna driver output 1 |
| Pino 2 | TX2 — Differential antenna driver output 2 |
| Pino 3 | AVSS — Analog ground for TX driver |
| Pino 4 | AVDD — Analog supply (TX driver) |
| Pino 5 | AVDD_PA — Power amplifier supply |
| Pino 6 | RX1 — Receiver input 1 |
| Pino 7 | RX2 — Receiver input 2 |
| Pino 8 | AVDD_RX — Receiver analog supply |
| Pino 9 | AVSS — Analog ground |
| Pino 10 | VSP — Voltage supply for host I/O (1.6V-3.6V) |
| Pino 11 | I2C_SDA — I2C data (shared with UART RX/SPI MISO per mode) |
| Pino 12 | I2C_SCL — I2C clock (shared with UART TX/SPI SCK per mode) |
| Pino 13 | SPI_NSS — SPI chip select (UART host select per mode) |
| Pino 14 | MOSI — SPI host-to-IC data |
| Pino 15 | MISO — SPI IC-to-host data |
| Pino 16 | SCK — SPI clock input |
| Pino 17 | IRQ — Interrupt request to host |
| Pino 18 | RSTPD — Reset / power-down (active high) |
| Pino 19 | DVDD — Digital supply (1.8V-3.3V) |
| Pino 20 | DVSS — Digital ground |
| Pino 21 | OSCIN — 27.12 MHz crystal oscillator input |
| Pino 22 | OSCOUT — 27.12 MHz crystal oscillator output |
| Pino 23 | SIGIN — Signal input for analog test |
| Pino 24 | SIGOUT — Signal output for analog test |
| Pino 25 | AUX — Auxiliary analog output |
| Pino 26 | TCK — Test clock (boundary scan) |
| Pino 27 | TDI — Test data input |
| Pino 28 | TDO — Test data output |
| Pino 29 | TMS — Test mode select |
| Pino 30 | TRST — Test reset |
| Pino 31 | SVDD — Secure element supply (optional) |
| Pino 32 | NC — Not connected (per datasheet) |
Aplicações típicas
PN512AA0HN1 é adequado para 6 aplicaçãos: Contactless Payment Terminal, NFC Peer-to-Peer Device Pairing, Access Control / Door Reader, Automotive NFC Key Fob Reader, MIFARE Read/Write Module, Industrial HMI / Smart Terminal.
Contactless Payment Terminal
The PN512AA0HN1's ISO 14443 A/B compliance and on-chip CRYPTO1 hardware cipher make it a strong fit for contactless payment POS terminals and PIN pads. The 13.56 MHz carrier amplitude modulation and I/Q synchronous demodulation provide the read range and noise immunity required for tap-and-go transactions. Placed between the antenna matching network and the host secure element, it handles the RF layer while a separate SE handles credential security. Unlike a discrete discrete-component analog frontend, it integrates modulation, demodulation, framing, and FIFO management in one IC, reducing BOM and PCB area.
Recomendado
NFC Peer-to-Peer Device Pairing
The PN512AA0HN1's NFC Forum tag-type support and configurable I2C/SPI/UART host interface make it ideal for peer-to-peer pairing between two NFC-enabled devices. According to the NXP PN512 datasheet, the integrated data mode detector auto-selects protocol framing, allowing the host MCU to delegate the lower-layer RF exchange. Placed behind the antenna matching network, it connects to the application processor via SPI at up to 10 Mbit/s for fast payload transfer during pairing.
Recomendado
Access Control / Door Reader
The PN512AA0HN1's support for ISO 14443 A/B and ISO 15693 covers MIFARE Classic, MIFARE DESFire, and I-CODE SLI cards in a single reader design. The AEC-Q100 grade 3 qualification of the /C2 variant lets it deploy in outdoor reader enclosures subject to automotive-grade stress. Mounted behind the reader antenna with proper RF shielding, the IC's adjustable modulation depth (10%-100%) lets the design trade off read range vs power consumption to meet local EMC regulations.
Recomendado
Automotive NFC Key Fob Reader
The PN512AA0HN1/C2 (industrial version) fulfils AEC-Q100 grade 3 stress-test qualification, making it deployable in automotive cabin keyless-entry and telematics applications. According to NXP's PN512 product page, the device operates reliably across the AEC-Q100 grade 3 thermal range typical of cabin and B-pillar NFC readers. It pairs with an automotive-grade secure element for credential storage and a CAN/LIN transceiver for body-network integration.
Recomendado
MIFARE Read/Write Module
The PN512AA0HN1's on-chip CRYPTO1 cipher and MIFARE hardware support let it read/write MIFARE Classic, Ultralight, and NTAG cards at full speed without host-side cipher offload. According to the NXP PN512 datasheet, the 64-byte FIFO buffer enables streaming tag transactions while the host reads the previous block. This fits embedded NFC tag writers, inventory terminals, and MIFARE Ultralight EV1 ticket printers where throughput matters.
Recomendado
Industrial HMI / Smart Terminal
The PN512AA0HN1's wide 2.5 V-3.6 V supply and I2C/SPI/UART host flexibility make it a fit for industrial HMI panels that need NFC for operator authentication. According to NXP, the PN512 frontend reportedly powers more than 10 billion NFC transactions per year, demonstrating its real-world reliability. Placed on the panel PCB with a printed antenna loop under a plastic bezel, it enables contactless login for machine operators without mechanical keypads.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PN512AA0HN1 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PN5120A0HN | PN512AA0HN1/C2 | PN512AA0HN1/C2BI | PN512AA0HN1/C2,518 | PN512AA0HN1/C2,551 | PN512AA0HN1/C2BIY |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | HVQFN-32 (5x5 mm) with exposed pad | HVQFN-32 - same | HVQFN-32 - same | HVQFN-32 - same | HVQFN-32 - same | HVQFN-32 - same | HVQFN-32 - same |
| RF Frequency | 13.56 MHz | 13.56 MHz | 13.56 MHz | 13.56 MHz | 13.56 MHz | 13.56 MHz | 13.56 MHz |
| Supply Voltage | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V |
| Host Interfaces | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART |
| Standards Supported | FeliCa, ISO 14443 A/B, ISO 15693, MIFARE, NFC Forum | Same + AES | Identical | Identical | Identical | Identical | Identical |
| Automotive Qualification | AEC-Q100 grade 3 (industrial /C2) | AEC-Q100 grade 3 | AEC-Q100 grade 3 | AEC-Q100 grade 3 + burn-in | AEC-Q100 grade 3 | AEC-Q100 grade 3 | AEC-Q100 grade 3 + burn-in + Y-grade |
| Crypto Hardware | CRYPTO1 | AES (replaces CRYPTO1) | CRYPTO1 | CRYPTO1 | CRYPTO1 | CRYPTO1 | CRYPTO1 |
Principais diferenciais
- AEC-Q100 grade 3 qualified in same HVQFN-32 footprint (vs PN5120A0HN)
- Burn-in screening for higher-reliability deployment (vs PN512AA0HN1/C2)
- Industrial longevity vs PN5180 (vs PN5180A0HN/C2Y)
Notas de projeto
Decouple AVDD, AVDD_PA, AVDD_RX, DVDD, and VSP with 100 nF X7R ceramic capacitors placed within 2 mm of each supply pin. Add a 4.7 uF bulk capacitor at the IC supply entry. Keep the 27.12 MHz crystal and load capacitors within 5 mm of OSCIN/OSCOUT and shield the traces to avoid coupling into the antenna matching network. The exposed thermal pad must be soldered to a continuous ground pour with multiple vias to the inner ground plane to meet the package thermal and electrical performance.
Route the differential TX1/TX2 and RX1/RX2 traces to the antenna matching network with controlled 50-ohm differential impedance (or single-ended 50-ohm depending on the matching topology chosen from the PN512 datasheet). Keep the antenna traces as short and symmetric as possible to maximize coupling efficiency and minimize radiated emissions at harmonics of 13.56 MHz. Avoid routing digital host interface lines parallel to or across the antenna traces to prevent noise coupling into the receiver chain.
Do not exceed the absolute maximum supply of 3.6 V on any AVDD/DVDD pin; use a low-dropout regulator such as the NVT4858UKZ (Site MPN list) upstream. The RSTPD pin must be held low during power-up ramp until all rails are stable, otherwise the internal state machine may enter an undefined mode. For multi-reader installations, ensure each PN512 antenna has sufficient spatial separation (typically >10 cm) to avoid reader-to-reader collision; the PN512 supports an external collision detection but requires careful antenna placement.
The 13.56 MHz carrier and its 27.12 MHz, 40.68 MHz harmonics can cause EMI-sensitive equipment issues; include appropriate ferrite beads and common-mode chokes on supply and antenna traces. The PN512 datasheet recommends a low-pass filter network on the TX output to attenuate harmonics. Verify radiated emissions against FCC Part 15 / EN 55022 limits during qualification. For medical and automotive deployments, additional shielding cans over the antenna matching area are often required.
Informações de conformidade
RoHS and REACH compliant per NXP product page. AEC-Q100 grade 3 qualification stated in datasheet for /C2 and /C2BI industrial variants. Halogen-free status not explicitly verified - set to unknown.
