PN5120A0HN1-C2151 - 13.56MHz NFC Frontend, HVQFN-32 | NXP
Артикул: PN5120A0HN1-C2151 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $4.18 | $4,18 |
| 10 | $3.76 | $37,60 |
| 100 | $3.35 | $335,00 |
| 500 | $2.99 | $1.495,00 |
| 1.000 | $2.65 | $2.650,00 |
PN5120A0HN1-C2151 Обзор
What is an NFC frontend IC? An NFC (Near Field Communication) frontend is a mixed-signal transceiver that handles the analog RF modulation/demodulation, protocol framing, and digital host interfacing for 13.56 MHz contactless communication. It sits between an application host MCU and the external NFC antenna, generating the 13.56 MHz carrier field, demodulating load-modulated responses from passive tags, and exposing registers/mailbox data to the host. Within the power management and connectivity hierarchy it belongs to: RFID reader IC -> NFC/RFID transceiver -> wireless connectivity IC -> semiconductor.
Key features of the PN5120A0HN1-C2151 include an outstanding modulation/demodulation concept with full transmitter hardware for driving an external antenna, a buffered output stage for ISO/IEC 14443A up to 424 kbps, hardware support for all relevant NFCIP-1 peer-to-peer modes, and an integrated FIFO buffer. The device exposes flexible host interfaces (SPI up to 10 Mbps, I2C, and UART), supports hard-power-down and soft-power-down modes with low standby current, and integrates a temperature sensor and contactless interface A/D converter.
Technically, the PN5120A0HN1 implements a sophisticated direct-modulation transmitter, dual-receiver architecture (one for ISO 14443A/B and one for FeliCa/ISO 15693), and on-chip data-mode detection. The IC includes a fully integrated data-mode detector and crypto handling for MIFARE Classic, with DMA-style FIFO transfers to offload the host. Internal registers conform to the well-documented PN512 register set, easing firmware portability.
Typical applications include contactless payment terminals, NFC peer-to-peer (NFCIP-1) devices, access control readers, public transit ticket readers, and IoT commissioning/provisioning nodes. The part is also a drop-in for designs that previously used NXP's MF RC522 or CL RC663 in 13.56 MHz contactless roles.
Design consideration: keep the PCB antenna trace geometry matched to the recommended matching network in the datasheet, use a TVS diode for ESD on the antenna pins, and respect the 32-pin HVQFN thermal pad layout with adequate ground vias for thermal dissipation.
Аналоги без доработки для PN5120A0HN1-C2151 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PN5120A0HN1-C2151 (тот же форм-фактор и посадочное место) — отличается по Function, Package, Host Interfaces, Operating Temperature, Supported Protocols.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PN5120A0HN1/C1,151
✅ Прямая замена✓ В наличии
$4.18 / шт.
Открыть даташит →PN5120A0HN1/C2,118
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
CLRC66301HN
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
SLRC61002HN
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MFRC52202HN1,157
✅ Прямая замена✓ В наличии
$4.9 / шт.
Открыть даташит →PN5120A0HN1-C2151 Характеристики
| Функция | NFC/RFID reader and transceiver |
| Operating Frequency | 13.56 MHz |
| Supported Protocols | FeliCa, ISO 14443 A/B, ISO 15693, MIFARE Classic, NFCIP-1, NFC Forum Type 1/2/3/4 |
| Напряжение питания | 2.5 V to 3.6 V |
| Host Interfaces | I2C, SPI, UART |
| Maximum SPI Clock | 10 MHz |
| Maximum Data Rate | 424 kbps (ISO 14443) |
| Корпус | 32-HVQFN Exposed Pad (5x5 mm) |
| Тип монтажа | Surface Mount |
| Рабочая температура | -30 C to +85 C |
| Modulation Type | Direct modulation (TX), load modulation (RX) |
| Receiver Architecture | Dual receiver (ISO 14443 + FeliCa/ISO 15693) |
| Integrated FIFO | Yes |
| Статус RoHS | Compliant |
| Число выводов | 32 |
Конфигурация выводов PN5120A0HN1-C2151
| Контакт 1 | TX1 — Antenna driver output 1 |
| Контакт 2 | TX2 — Antenna driver output 2 |
| Контакт 3 | AVDD — Analog supply voltage |
| Контакт 4 | AVSS — Analog ground |
| Контакт 5 | RX — Receiver input |
| Контакт 6 | VMID — Mid-rail reference voltage |
| Контакт 7 | PVDD — Pad supply voltage (for TX drivers) |
| Контакт 8 | PVSS — Pad ground |
| Контакт 9 | RSTPD — Reset and power-down control |
| Контакт 10 | IRQ — Interrupt request output |
| Контакт 11 | IF_SEL0 — Host interface select 0 |
| Контакт 12 | IF_SEL1 — Host interface select 1 |
| Контакт 13 | DVDD — Digital supply voltage |
| Контакт 14 | DVSS — Digital ground |
| Контакт 15 | AUX1 — Auxiliary output 1 |
| Контакт 16 | AUX2 — Auxiliary output 2 |
| Контакт 17 | SDA — I2C data / SPI MOSI |
| Контакт 18 | SCL — I2C clock / SPI clock |
| Контакт 19 | NSS — SPI slave select |
| Контакт 20 | MISO — SPI master-in-slave-out |
| Контакт 21 | MOSI — SPI master-out-slave-in |
| Контакт 22 | RXD — UART receive data |
| Контакт 23 | TXD — UART transmit data |
| Контакт 24 | OSCIN — Crystal oscillator input |
| Контакт 25 | OSCOUT — Crystal oscillator output |
| Контакт 26 | TEST — Test pin (tie to GND) |
| Контакт 27 | SIGIN — Signal input for external demodulation |
| Контакт 28 | SIGOUT — Signal output |
| Контакт 29 | TCK — JTAG test clock (boundary scan) |
| Контакт 30 | TMS — JTAG test mode select |
| Контакт 31 | TDI — JTAG test data in |
| Контакт 32 | TDO — JTAG test data out / NC |
Типичное применение
PN5120A0HN1-C2151 подходит для 6 применениеs: Contactless Payment Terminals, NFC Peer-to-Peer (NFCIP-1) Devices, Access Control and Door Readers, Public Transit Ticket Readers, IoT Provisioning and Commissioning, Industrial RFID Reader Modules.
Contactless Payment Terminals
The PN5120A0HN1-C2151 enables EMVCo-compliant contactless payment terminals with simultaneous support for ISO 14443 A/B (Visa payWave, Mastercard contactless), FeliCa (Japan/J-Korea transit payments), and NFC mobile wallet peer-to-peer modes. Its 13.56 MHz RF frontend with dual receiver architecture handles high transaction throughput at 424 kbps while the integrated FIFO buffer offloads protocol framing from the secure host MCU. Typical designs place the IC between the application processor and a matched PCB antenna loop, with the IC's 2.5-3.6 V supply driven by an LDO for clean demodulation. The HVQFN-32 footprint suits compact POS terminal enclosures while maintaining 4-wire SPI connectivity to the secure element at up to 10 Mbps.
Рекомендуется
NFC Peer-to-Peer (NFCIP-1) Devices
The PN5120A0HN1-C2151 fully implements NFCIP-1 initiator and target modes at 106, 212, and 424 kbps, enabling Android Beam-style file exchange, Wi-Fi/Bluetooth connection handover, and NFC Forum LLCP/SNEP communications. Its hardware handles the 13.56 MHz carrier generation on the initiator side and load-modulation detection on the target side, removing the need for external RF components beyond the matching network. For peer-to-peer designs the IC requires the host MCU to run an NFC Forum LLCP stack, and the antenna geometry must support the slightly different field profile compared to reader-only modes. Typical applications include Android phone accessories, smart-home pairing hubs, and information kiosks.
Рекомендуется
Access Control and Door Readers
Access control readers using the PN5120A0HN1-C2151 can interrogate both 13.56 MHz contactless credentials (MIFARE Classic, MIFARE DESFire, ISO 14443A badges) and legacy vicinity cards (ISO 15693 long-range ID badges). The IC's dual receiver architecture lets a single reader support multiple card types without firmware switching, while the integrated hardware crypto accelerator handles MIFARE Classic authentication to offload the door controller MCU. Typical designs use 3-5 W read range with a matched PCB loop antenna, drawing roughly 60-100 mA active from a 3.3 V rail. The HVQFN-32 package and I2C/SPI host interface enable integration into compact mullion-mount reader housings.
Рекомендуется
Public Transit Ticket Readers
FeliCa and ISO 14443 B support in the PN5120A0HN1-C2151 makes it well-suited to public transit ticket validators where Asian transit cards (Suica, Octopus, T-money) must coexist with international contactless bank cards. The IC's modulation/demodulation chain handles the higher data rates required for rapid gate throughput, and its integrated data-mode detector simplifies multi-protocol firmware. Transit designs typically use a high-Q PCB loop antenna and require the IC's PVDD pin to be driven at 5 V (via internal charge pump or external boost) for maximum read range. Power dissipation is moderate due to continuous carrier generation, so thermal via layout under the HVQFN-32 EP is critical for outdoor installations.
Рекомендуется
IoT Provisioning and Commissioning
The PN5120A0HN1-C2151 provides tap-to-pair NFC commissioning for Wi-Fi and Bluetooth IoT devices, allowing a smartphone to securely transfer credentials by simply tapping the unpowered device. Its NFCIP-1 target mode and NDEF record support enable connection handover to higher-throughput wireless radios without requiring the IoT device to have its own user interface. Power-sensitive designs benefit from the IC's hard-power-down and soft-power-down modes, which drop standby current to microampere levels. The 5x5 mm HVQFN-32 footprint is small enough for sensor nodes, smart locks, and appliance modules, while the integrated FIFO reduces host MCU RAM requirements during credential transfer.
Рекомендуется
Industrial RFID Reader Modules
Industrial RFID readers benefit from the PN5120A0HN1-C2151's industrial temperature range (-30 C to +85 C) and robust RF frontend capable of driving antennas up to several watts effective radiated power with external amplification. The IC supports ISO 15693 for long-range vicinity tag reading (used in supply chain, asset tracking, and library systems) alongside ISO 14443 short-range identification. Its SPI host interface allows integration with industrial PLCs and ARM-based embedded controllers. The HVQFN-32 exposed pad provides mechanical robustness and thermal dissipation when mounted on industrial-grade FR-4 PCBs. Designers typically pair it with TVS protection on antenna lines for ESD/surge immunity in factory environments.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PN5120A0HN1-C2151 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PN5120A0HN1/C1,151 | PN5120A0HN1/C2,118 | CLRC66301HN | SLRC61002HN | MFRC52202HN1 |
|---|---|---|---|---|---|---|
| Package | HVQFN-32 (5x5 mm) | HVQFN-32 (5x5 mm) - same | HVQFN-32 (5x5 mm) - same | HVQFN-32 (5x5 mm) - same | HVQFN-32 (5x5 mm) - same | HVQFN-32 (5x5 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Operating Frequency | 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 | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 2.5 V to 3.6 V |
| Max ISO 14443 Bit Rate | 424 kbps | 424 kbps | 424 kbps | 848 kbps | 848 kbps | 424 kbps |
| FeliCa Support | Yes | Yes | Yes | Yes | Yes | No |
| NFCIP-1 Peer-to-Peer | Yes | Yes | Yes | Yes | Yes | No |
| Host Interface | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | SPI, I2C, UART |
| Operating Temperature | -30 C to +85 C | -30 C to +85 C | -30 C to +85 C | -40 C to +105 C | -40 C to +105 C | -25 C to +85 C |
Ключевые отличия
- Multi-protocol support including FeliCa and NFCIP-1 (против MFRC52202HN1)
- Mature PN512 firmware ecosystem (против CLRC66301HN)
- Integrated FIFO and DMA-style host offload (против MF RC522 legacy designs)
Заметки по проектированию
Place the antenna matching network components within 5 mm of the TX1, TX2, and RX pins to minimize parasitic inductance that would detune the 13.56 MHz resonant circuit. Use a ground plane keep-out under the loop antenna traces and place a continuous ground ring around the antenna with via stitching every 5 mm to confine the 13.56 MHz field. The HVQFN-32 exposed pad must be soldered to a ground copper pour with a 4x4 thermal via array (0.3 mm via diameter, 0.5 mm pitch) to provide both thermal dissipation and a low-impedance ground reference for the TX drivers.
Provide low-noise LDO regulation for AVDD and DVDD, with bulk 10 uF ceramic capacitors within 1 cm of the supply pins and 100 nF decoupling caps within 2 mm. The PVDD pin may require 5 V (or higher) to drive the antenna at maximum output power - use a separate charge pump or boost regulator rather than feeding PVDD directly from AVDD, as noise on PVDD directly couples into the TX modulation envelope. Power dissipation during continuous carrier generation can reach 200-300 mW, so ensure adequate thermal management of the HVQFN-32 EP.
Do not leave the RSTPD pin floating - it must be pulled high for normal operation or driven by the host MCU for controlled reset sequencing. The TEST pin must be tied to ground for production designs; floating TEST pins can cause unpredictable behavior in some builds. Do not connect the crystal oscillator traces near noisy digital lines; route OSCIN/OSCOUT over a continuous ground plane and place the 27.12 MHz crystal within 3 mm of the IC. Finally, add bidirectional TVS diodes (e.g. PESD5V0S1BA) on the TX1, TX2, and RX lines for ESD protection per IEC 61000-4-2.
Информация о соответствии
RoHS and REACH compliant per NXP product page. Industrial temperature grade (-30 C to +85 C). Not AEC-Q100 qualified - select AEC-Q100 qualified NFC IC for automotive applications.
