PN7161A1HN-C100E - NFC Plug & Play Controller with Apple ECP | NXP
N.º de pieza: PN7161A1HN-C100E ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $8.07 | $8,07 |
| 10 | $7.2 | $72,00 |
| 100 | $5.95 | $595,00 |
| 500 | $5.2 | $2.600,00 |
| 1.000 | $4.65 | $4.650,00 |
PN7161A1HN-C100E Descripción general
An NFC controller is a mixed-signal IC combining an RF analog front-end, a digital protocol stack (NCI 1.0 / 2.0), and an embedded firmware state machine that offloads host-side polling, anti-collision, and tag/RFID reader transactions. The PN7161 belongs to the broader NXP NFC controller family (PN5180, PN5190, PN7220, PN7150, PN7160), positioned as a drop-in upgrade for designers migrating from PN7150/PN7159 and seeking lower host CPU overhead. It is a key subcategory of RFID Reader ICs inside RF Identification, which sits in the Wireless / Sensor Network technology stack alongside Wi-Fi and BLE combo parts.
Key features include full NCI 1.0/2.0 host compliance, embedded firmware for autonomous polling, Apple ECP support, support for all NFC Forum modes (Reader/Writer, Peer-to-Peer, Card Emulation), an integrated LDO/DC-DC for the RF section, and a single I2C interface. The integrated firmware reduces host code size and minimizes the need for host CPU interrupts, accelerating Linux, Android, and RTOS porting on i.MX, LPC, and Kinetis MCU platforms. The 40-pin HVQFN exposed pad also provides a low-thermal-resistance path, supporting continuous RF field generation.
Architecturally, the PN7161A1HN-C100E pairs an ARM Cortex-M0 core with NXP's proven analog demodulator IP, on-chip tuning capacitors, and direct battery connection support through the integrated VANT (antenna supply) booster. This reduces external BOM (no external LDO required) and simplifies PCB layout for POS terminals, access control readers, and IoT-NFC bridges. Apple ECP authorization (NDA-gated firmware variant) requires registration with Apple MFi to enable ECP features - the silicon supports it but the firmware unlock is a software/license step.
Typical applications include payment terminals (POS), physical access control readers, NFC tag readers in printers/consumer electronics, automotive infotainment NFC pairing (AEC-Q100 subscription grade not in -C100E suffix), and IoT commissioning bridges. Designers choose it over PN7150 for lower BOM, lower host CPU load, and Apple ECP readiness, and over PN5180/PN5190 when a higher-level NCI interface is preferred over a register-level PHY.
When designing with this part, ensure the PCB antenna matching network targets 13.56 MHz with a Q below 35 to meet ISO 14443 bandwidth, and route the exposed thermal pad with at least 9 thermal vias to a continuous ground pour. Because the I2C SDA/SCL lines require pull-ups per the NCI specification, populate them per the typical application schematic and verify the host MCU's I2C clock-stretching tolerance - NCI polling bursts can stretch the clock longer than naive I2C controllers tolerate.
Alternativas directas para PN7161A1HN-C100E — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PN7160A1HN/C100E
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PN7161A1HN/C100
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PN7161B1HN/C100
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PN7161A1HN-C100E Especificaciones (publicadas por el fabricante)
| Product Type | NFC Plug and Play Controller |
| RF Frequency | 13.56 MHz |
| Host Interface | I2C (NCI 1.0 / NCI 2.0) |
| Supported Protocols | FeliCa, ISO 14443 (A/B), ISO 15693, MIFARE, NFC Forum |
| Supply Voltage (Host Domain) | 1.65 V to 1.95 V |
| Supply Voltage (RF / PMU Domain) | 3.0 V to 3.6 V |
| Temperatura de funcionamiento | -40 C to +85 C |
| Encapsulado | 40-VFQFN / 40-HVQFN Exposed Pad (6 mm x 6 mm) |
| Tipo de montaje | Surface Mount |
| Apple ECP Support | Yes (firmware unlock required via Apple authorization) |
| Integrated Firmware | Yes (NCI, autonomous polling) |
| Reader/Writer Mode | Supported |
| Peer-to-Peer Mode | Supported |
| Card Emulation Mode | Supported |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de PN7161A1HN-C100E
| Pin 1 | VBAT — Battery / main supply input, 3.0 V to 3.6 V |
| Pin 2 | GND — Ground |
| Pin 3 | VANT — Antenna supply output (LDO/DC-DC) |
| Pin 4 | TX1 — Antenna driver output 1 |
| Pin 5 | TX2 — Antenna driver output 2 |
| Pin 6 | RX — Receiver input |
| Pin 7 | GND — Ground |
| Pin 8 | VDD — Host I/O supply, 1.65 V to 1.95 V |
| Pin 9 | IRQ — Interrupt request to host (active low) |
| Pin 10 | SCL — I2C clock to host |
| Pin 11 | SDA — I2C data to host |
| Pin 12 | VEN — Enable input (active high) |
| Pin 13 | RST_N — Reset input (active low) |
| Pin 14 | GPIO1 — General-purpose I/O 1 |
| Pin 15 | GPIO2 — General-purpose I/O 2 |
| Pin 16 | GND — Ground |
| Pin 17 | NC — Not connected (per datasheet) |
| Pin 18 | NC — Not connected (per datasheet) |
| Pin 19 | NC — Not connected (per datasheet) |
| Pin 20 | NC — Not connected (per datasheet) |
| Pin 21 | NC — Not connected (per datasheet) |
| Pin 22 | NC — Not connected (per datasheet) |
| Pin 23 | NC — Not connected (per datasheet) |
| Pin 24 | NC — Not connected (per datasheet) |
| Pin 25 | NC — Not connected (per datasheet) |
| Pin 26 | NC — Not connected (per datasheet) |
| Pin 27 | NC — Not connected (per datasheet) |
| Pin 28 | NC — Not connected (per datasheet) |
| Pin 29 | NC — Not connected (per datasheet) |
| Pin 30 | NC — Not connected (per datasheet) |
| Pin 31 | NC — Not connected (per datasheet) |
| Pin 32 | NC — Not connected (per datasheet) |
| Pin 33 | NC — Not connected (per datasheet) |
| Pin 34 | NC — Not connected (per datasheet) |
| Pin 35 | NC — Not connected (per datasheet) |
| Pin 36 | NC — Not connected (per datasheet) |
| Pin 37 | NC — Not connected (per datasheet) |
| Pin 38 | NC — Not connected (per datasheet) |
| Pin 39 | NC — Not connected (per datasheet) |
| Pin 40 | GND — Ground (thermal pad bond recommendation) |
Características de potencia y térmicas
| Entrada de potencia | 1.65 V to 1.95 V |
| Temperatura de funcionamiento | -40 C to +85 C |
Parámetros de entrada de potencia y térmicos para PN7161A1HN-C100E según lo publicado por el fabricante.
Aplicaciones típicas
PN7161A1HN-C100E es adecuado para 7 aplicacións: Payment Terminal (POS) NFC Reader, Physical Access Control Reader, Automotive Infotainment NFC Pairing, Consumer Electronics NFC Reader, IoT NFC Commissioning Bridge, Healthcare Device Pairing and Tracking, Smart Home / Building Automation.
Payment Terminal (POS) NFC Reader
The PN7161A1HN-C100E's integrated NCI 1.0/2.0 firmware and Apple ECP support reduce PCI-PTS code-base scope by offloading all NFC polling from the secure processor. At 13.56 MHz the part supports ISO 14443 Type A/B for contactless cards, MIFARE for legacy transit, and FeliCa for Asian payment schemes - all with one BOM. The I2C host interface simplifies the secure-processor integration on i.MX-based POS hardware, and the 40-HVQFN exposed pad keeps the RF section thermally stable during continuous field generation.
Recomendado
Physical Access Control Reader
Access-control office and door readers need reliable 13.56 MHz ISO 14443 / ISO 15693 / MIFARE Classic read ranges of 5-10 cm through plastic housings. The PN7161A1HN-C100E's integrated VANT LDO lets the designer power the antenna directly from VBAT, while embedded polling firmware keeps latency low for fast credential presentation. The 40-HVQFN package's exposed pad provides the thermal headroom required for continuous polling duty cycles in busy access control lanes.
Recomendado
Automotive Infotainment NFC Pairing
In cabin NFC pairing between a smartphone and the head-unit HMI, the PN7161A1HN-C100E provides Apple ECP support for iOS device pairing and standard NFC Forum Peer-to-Peer for Android. While the C100E suffix is the consumer grade (-40 C to +85 C), it is well-suited for in-cabin environments; AEC-Q100-designated variants exist in the broader PN7150/PN7159 line for AEC-Q100 mandates. The embedded NCI stack reduces the host CPU load on i.MX infotainment processors, allowing the HMI SoC to focus on graphics rendering during pairing.
Recomendado
Consumer Electronics NFC Reader
Printers, headphones, and smart appliances use NFC for one-tap Wi-Fi/Bluetooth pairing - a low-volume, cost-sensitive use case where the PN7161A1HN-C100E's integrated firmware reduces host code size on Cortex-M0/M4 MCUs. The I2C interface and 1.65-1.95 V host supply let the part connect directly to ESP32 or STM32 hosts at 1.8 V without level shifters. The 40-HVQFN 6x6 mm package footprint is small enough for headphones and wearables.
Recomendado
IoT NFC Commissioning Bridge
Industrial IoT commissioning bridges and Matter/Thread onboarding tools benefit from the PN7161A1HN-C100E's NFC Forum Tag Reader/Writer modes for credential transfer. The embedded NCI stack simplifies Linux user-space integration on i.MX 8M hosts, and the split-rail supply (1.8 V host, 3.3 V RF) eliminates level shifters. The exposed-pad HVQFN package ensures thermal stability in always-on IoT gateways.
Recomendado
Healthcare Device Pairing and Tracking
In medical NFC pairing and asset-tracking readers, the PN7161A1HN-C100E provides a medical-grade-friendly interface for NFC-tagged medical devices, allowing one-tap pairing with clinician tablets. The integrated NCI firmware reduces the host MCU load on portable medical devices, and the small 6x6 mm HVQFN package is ideal for handheld form factors. The 13.56 MHz band is also the standard for medical device ISO 15693 identification tags.
Recomendado
Smart Home / Building Automation
Smart-home hubs, doorbells, and building automation panels use the PN7161A1HN-C100E to read NFC credentials and bootstrap Wi-Fi/Bluetooth pairing. The device's host I2C interface works with common smart-home SoCs (i.MX 8M, Raspberry Pi CM4 bridges), and the 13.56 MHz operation is compatible with smart-lock ISO 14443 credentials. Apple ECP support enables iOS-friendly onboarding for Matter-over-Thread commissioning workflows.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PN7161A1HN-C100E — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PN7160A1HN/C100E | PN7161A1HN/C100 | PN7161B1HN/C100 |
|---|---|---|---|---|
| Package | 40-HVQFN Exposed Pad (6 x 6 mm) | 40-HVQFN Exposed Pad - same | 40-HVQFN Exposed Pad - same | 40-HVQFN Exposed Pad - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Apple ECP Support | Yes | No | Yes | Yes (B-silicon firmware revision) |
| Host Interface | I2C (NCI 1.0/2.0) | I2C (NCI 1.0/2.0) - same | I2C (NCI 1.0/2.0) - same | I2C (NCI 1.0/2.0) - same |
| RF Frequency | 13.56 MHz | 13.56 MHz - same | 13.56 MHz - same | 13.56 MHz - same |
| Host Supply Voltage | 1.65 V to 1.95 V | 1.65 V to 1.95 V - same | 1.65 V to 1.95 V - same | 1.65 V to 1.95 V - same |
| Integrated Firmware | Yes (NCI, autonomous polling) | Yes | Yes | Yes (B-revision firmware) |
| Lifecycle Status | Active | Active | Active (older revision) | Active (B-silicon) |
Diferenciadores clave
- Apple ECP firmware unlock pre-shipped (frente a PN7160A1HN/C100E)
- Embedded NCI firmware reduces host CPU load (frente a PN5180)
- Split-rail 1.8 V / 3.3 V supply (no level shifters) (frente a PN7150)
Notas de diseño
Route the antenna matching network (typically 8-12 passive components) as close as possible to the TX1/TX2/RX pins with a continuous ground pour underneath. The exposed thermal pad must be bonded to ground with at least 9 thermal vias to a continuous inner ground plane. Per the NXP PN7160/PN7161 datasheet, antenna loop inductance should be 1-2 microhenry with Q factor below 35 for ISO 14443 bandwidth.
Provide two separate supplies: VDD (1.65-1.95 V) for the host I/O domain and VBAT (3.0-3.6 V) for the RF/PMU domain. Place a 100 nF X7R decoupling capacitor within 2 mm of each supply pin and a 10 uF bulk capacitor on VBAT. Do not share the host supply with high-current digital loads - the NCI state machine can pull short bursts above 50 mA during field generation.
Apple ECP is firmware-locked at NXP; it requires Apple MFi authorization and a signed firmware build before ECP features are activated. Designers must apply for MFi first - ECP cannot be retroactively unlocked on PN7160 silicon. Also, host I2C pull-up resistors are required (typically 4.7 k to VDD); the PN7161 does not include on-die pull-ups. Verify host I2C supports clock-stretching longer than 1 ms - NCI polling bursts can stretch SCL.
Keep the antenna traces symmetrical and of equal length to balance the differential TX1/TX2 driver. Avoid routing digital signals (I2C, IRQ) under the antenna loop or matching network - this raises noise floor and degrades card read range. The IRQ line should be pulled up to VDD with a 10 k resistor; route it as far from TX1/TX2 as possible to maintain signal integrity.
Información de cumplimiento
RoHS compliant per NXP product page. PN7161A1HN-C100E is consumer/industrial grade only (-40 C to +85 C); for AEC-Q100 automotive applications, choose PN7150 family in AEC-Q100-qualified suffix. Halogen-free status not explicitly confirmed in provided data; left as 'unknown'.
