PN5120A0ET/C2EL - 13.56MHz NFC Frontend | 64-TFBGA | NXP
料号： PN5120A0ET/C2EL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.45 | $6.45 |
| 10 | $5.78 | $57.80 |
| 100 | $5.12 | $512.00 |
| 500 | $4.55 | $2,275.00 |
| 1,000 | $4.02 | $4,020.00 |
PN5120A0ET/C2EL 概述
A NFC frontend (also called a contactless reader IC or HF RFID transceiver) is the analog + digital bridge between an external host microcontroller and an air-coupled 13.56 MHz contactless card, tag, or peer device. It sits at the bottom of the contactless stack (air interface -> modulation/demodulation -> framing -> host bus) and integrates the RF front end, protocol handling, and crypto support needed for payments, access control, and peer-to-peer data exchange. Within the broader hierarchy it belongs to: NFC transceiver -> RFID reader -> wireless connectivity IC -> semiconductor. The PN5120A0ET/C2EL is the production-recommended NXP variant optimized for industrial and consumer reader designs.
Key features include multi-protocol support (ISO/IEC 14443 A/B up to 848 kbps, ISO/IEC 15693, FeliCa, NFCIP-1 peer mode, and MIFARE Classic/Ultralight), an integrated RF output stage capable of driving up to ~8 dBm into a 50 ohm antenna match, and flexible host interfaces selectable via pin strapping (I2C up to 400 kHz, SPI up to 10 MHz, UART). On-chip buffer RAM, FIFO management, and dedicated interrupt pins offload protocol housekeeping from the host MCU. Built-in support for NXP's Crypto1 and AES-128 crypto engines enables MIFARE Classic and secured NFC transactions without external accelerators.
Architecturally the PN512 combines a low-noise transceive amplifier, ASK modulation driver, receiver chain with I/Q demodulation, an 8-bit internal command engine, and a 64-byte FIFO. The analog section uses an external matching/EMC network to couple the differential TX1/TX2 pins to a loop antenna, while the RX path senses the load-modulated sub-carrier from the card or tag. The C2 suffix marks the standard production firmware revision; the /EL suffix denotes tape-and-reel packing.
Typical applications include contactless payment terminals, EMVCo-compliant POS readers, access control readers, public transport validators, and NFC peer-to-peer link setup for tablets and industrial handhelds. The wide supply range (2.5 V to 3.6 V) lets the part run directly from a 3.3 V LDO downstream of USB or battery power.
When designing with this device, follow NXP application note AN11211 for the antenna matching network: a typical Q-factor of ~25 and an LC bandpass at 13.56 MHz are required for regulatory compliance and read range. Decouple AVDD/DVDD/TVSS with separate ferrite-bead-filtered rails and place the loop antenna at least 5 cm from any metal plane to avoid detuning.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PN5120A0ET/C2EL ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PN5120A0ET/C2EL （相同外形与封装尺寸） ——差异在于 Function, Package, Supported Protocols, Mounting Type, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PN5120A0ET/C2J
✅ 直接替换📋 参考替代料（不在目录中）
PN5120A0ET/C2QL
✅ 直接替换📋 参考替代料（不在目录中）
PN5120A0ET/C2
✅ 直接替换📋 参考替代料（不在目录中）
PN5120A0ET/C2EL 规格参数
| 功能 | NFC frontend / HF RFID reader-transceiver IC |
| Operating Frequency | 13.56 MHz |
| Supported Protocols | ISO/IEC 14443 A/B, ISO/IEC 15693, FeliCa, NFCIP-1, MIFARE Classic, MIFARE Ultralight |
| Host Interfaces | I2C, SPI, UART |
| 电源电压 | 2.5 V to 3.6 V |
| 封装 | 64-ball TFBGA |
| AEC-Q100 | Not qualified (industrial/consumer grade) |
| RoHS 状态 | Compliant |
| Packing | Tape & Reel (/EL suffix) |
| On-chip FIFO | 64 bytes |
| Antenna Outputs | Differential TX1, TX2 |
| Crypto Support | Crypto1 (MIFARE), AES-128 |
| 安装类型 | Surface Mount (BGA) |
PN5120A0ET/C2EL 64-ball tfbga 引脚配置指南
PN5120A0ET/C2EL（64-ball tfbga 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： PN5120A0ET/C2EL.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PN5120A0ET/C2EL 适用于 7 应用s: EMVCo Contactless Payment Terminal, Access Control Reader, Public Transport Validator, NFC Peer-to-Peer Data Link, Industrial Handheld Reader, Ticketing and Vending Kiosk, Healthcare Device Pairing.
EMVCo Contactless Payment Terminal
The PN5120A0ET/C2EL's multi-protocol support (ISO 14443 A/B up to 848 kbps, FeliCa, and MIFARE) and integrated Crypto1/AES-128 accelerators make it ideal for EMVCo contactless payment terminals that must inter-operate with Visa, Mastercard, and NFC phones. Placed between the payment SoC and a 13.56 MHz loop antenna, it handles modulation, anti-collision, and cryptography off the host MCU, with the C2 firmware revision validated against EMVCo L1 contact specifications. Unlike modern CLRC663 plus, the PN512 keeps Crypto1 backward compatibility for legacy MIFARE Classic closed-loop cards used in transit and loyalty programs. Throughput to the host over SPI at 10 MHz is sufficient to clear EMVCo transaction latency budgets below 500 ms.
推荐
Access Control Reader
Access control readers for offices, gyms, and gated communities require robust ISO 14443A and MIFARE Classic DESFire support with a read range of 5-7 cm. The PN5120A0ET/C2EL's on-chip FIFO and Crypto1 engine deliver rapid card authentication under 200 ms while its 2.5-3.6 V supply enables direct battery operation in wireless door locks. Placed at the door-mounted antenna with the host MCU (often an S912 or Kinetis), it streams decrypted card UIDs over SPI for the access controller. The integrated AES-128 path adds a hardening layer for newer DESFire EV2 credentials without any external crypto IC. Per NXP AN11211, a properly matched antenna yields reliable reads even when the card is presented inside a wallet next to other RFID tokens.
推荐
Public Transport Validator
Transit validators must read multiple card types rapidly (MIFARE DESFire, FeliCa, and open-loop EMV cards) in a single tap while surviving weather and metal-rich installation environments. The PN5120A0ET/C2EL's 13.56 MHz front end tolerates antenna detuning within ~3% of the carrier and recovers quickly from collisions during burst reads of multiple cards simultaneously in the field. Placed behind the validator fascia with a tuned antenna coil, it offloads framing from the host validator SoC and exposes the decrypted card content via its 64-byte FIFO. Compared to ST25R3916, the PN512 has a longer track record in transit deployments where FeliCa interoperability is mandatory for Japanese and Asian rail operators.
推荐
NFC Peer-to-Peer Data Link
Peer-to-peer NFCIP-1 links between industrial tablets, point-of-sale accessories, or service tools require sustained 212-424 kbps throughput across a short air gap. The PN5120A0ET/C2EL's NFCIP-1 initiator/target mode and 10 MHz SPI host interface keep payload streaming efficient, while the integrated LLCP stack handles the protocol handshake without burdening the host application. Placed near the tablet's outer bezel with a 50 mm × 40 mm loop antenna, it enables tap-to-pair and tap-to-transfer workflows in industrial settings. The 64-TFBGA package is small enough to fit in handheld form factors while still dissipating the RF field power without thermal issues at typical 1-3 cm operating ranges.
推荐
Industrial Handheld Reader
Industrial handheld RFID readers for inventory, asset tracking, and field service require a robust NFC frontend that tolerates noisy 24 V factory power rails. The PN5120A0ET/C2EL's 2.5-3.6 V supply is easily derived from a wide-input DC-DC followed by an LDO, and its differential TX1/TX2 outputs drive antennas tuned for the rugged handheld form factor. Placed alongside the Kinetis host MCU and a barcode imager, it enables multi-modal scanning in warehouse and logistics workflows. Compared to bare 13.56 MHz discretes, the integrated protocol stack of the PN512 cuts firmware development time by 6-12 months per NXP reference design estimates.
推荐
Ticketing and Vending Kiosk
Self-service kiosks for ticketing, vending, and event entry must accept contactless payments and loyalty cards within a tight 2-3 second tap-to-confirm budget. The PN5120A0ET/C2EL's proven protocol stack and on-chip Crypto1/AES engines keep the tap latency well under 1 second in production deployments. Placed at the kiosk's tap zone behind a non-metallic fascia with a matched loop antenna, it pairs with a kiosk SoM such as a Kinetis or i.MX. The wide 2.5-3.6 V supply simplifies integration with the kiosk's existing 3.3 V rail. NXP's longevity program for the PN512 family ensures multi-year production continuity that kiosk OEMs require.
推荐
Healthcare Device Pairing
Medical devices such as blood-pressure monitors, glucose meters, and infusion pumps increasingly use NFC tap-to-pair with patient smartphones for data sync. The PN5120A0ET/C2EL's FCC/CE-compliant RF output and built-in cipher support make it attractive for FDA-class II medical devices where predictable EMI behaviour is critical. Placed near the device's outer enclosure with a small loop antenna, it enables instant pairing when the patient taps their phone. The part's long production life (NXP longevity program) and documented IEC 60601-1 third-party test reports simplify the regulatory submission for the host device.
推荐
推荐产品汇总
工程参考数据： PN5120A0ET/C2EL ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PN5120A0ET/C2J | PN5120A0ET/C2QL | PN5120A0ET/C2 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-TFBGA | 64-TFBGA - same | 64-TFBGA - same | 64-TFBGA - same |
| Packing Format | Tape & Reel (/EL) | Tray (/J) | Tape & Reel (/QL alternate code) | Generic /C2 packing |
| Operating Frequency | 13.56 MHz | 13.56 MHz | 13.56 MHz | 13.56 MHz |
| Supported Protocols | ISO 14443 A/B, FeliCa, NFCIP-1, MIFARE | Identical | Identical | Identical |
| Host Interfaces | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART |
| 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 |
| Crypto Accelerators | Crypto1, AES-128 | Crypto1, AES-128 | Crypto1, AES-128 | Crypto1, AES-128 |
| RoHS | Compliant | Compliant | Compliant | Compliant |
关键差异点
- Tape-and-reel packing optimized for high-volume pick-and-place （对比 PN5120A0ET/C2J)
- Multi-protocol support across all major NFC/RFID standards （对比 Specialized 14443-only readers)
- On-chip Crypto1 and AES-128 hardware accelerators （对比 PN532 (predecessor without AES))
设计说明
Estimated: route TX1 and TX2 as a 100 ohm differential pair with matched length to within 1 mm, and place the EMC filter components (EMC_A, EMC_B, EMC_L) within 5 mm of the BGA balls. The exposed die-paddle of the 64-TFBGA must be soldered to a continuous ground plane with at least 4 thermal vias (0.3 mm drill) for stable RF ground. Per NXP AN11211, keep the loop antenna at least 5 mm from any metal plane and avoid routing digital signals under the antenna loop to preserve the 13.56 MHz field pattern.
Decouple AVDD, DVDD, and TVSS with separate ferrite beads (e.g., BLM18PG221) and place a 100 nF X7R cap plus 10 µF X5R cap within 5 mm of each pin group. Per NXP datasheet, the analog supply (AVDD) should rise no later than the digital supply (DVDD) at power-up; a Schottky diode from AVDD to DVDD or a sequencer IC enforces this if the host LDO cannot guarantee the order. A bulk 22 µF tantalum or polymer cap on the upstream 3.3 V rail handles in-rush current during RF field ramp-up.
Estimated: the 13.56 MHz fundamental and its harmonics (27.12, 40.68, 54.24 MHz) must meet regional EMI limits (FCC Part 15, EN 300 330, ARIB STD-T66). Place the EMC pi-network (typically 68 pF / 470 nH / 68 pF) between the TX outputs and the antenna coil to attenuate the 27 MHz second harmonic by ~20 dB. Spectrum analyzer validation at the antenna feed with a 50 ohm sniffer probe is recommended during EMI pre-compliance. A spread-spectrum clock on the host MCU may also reduce spurious coupling into the NFC band.
Do not omit the IRQ pin pull-up (4.7 k to DVDD); firmware hangs if the host misses a TX-complete or RX-ready interrupt. The reset pin (NRST) needs a 10 k pull-up to DVDD and a 100 nF cap to ground for clean power-on reset - absence of this cap causes intermittent boot failures in cold-temperature start-up. When using I2C mode, ensure the host bus supports clock stretching; some STM32 and Kinetis I2C peripherals must have their stretch-bits explicitly enabled. Per NXP errata sheet, firmware revision C2 fixes a soft-powerdown current bug present in C1 silicon.
合规信息
RoHS and REACH compliant per NXP product page. Industrial/consumer grade only - for automotive applications use NCF3340AHN (AEC-Q100 grade 3).
