PN7161A1EV-C100K - NFC Plug & Play Controller with Apple ECP | NXP
Teilenummer: PN7161A1EV-C100K ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $4.64 | $4,64 |
| 10 | $4.12 | $41,20 |
| 100 | $3.65 | $365,00 |
| 500 | $3.21 | $1.605,00 |
| 1.000 | $2.94 | $2.940,00 |
| 3.000 | $2.71 | $8.130,00 |
PN7161A1EV-C100K Übersicht
What is an NFC controller? An NFC (Near Field Communication) controller is an integrated circuit that handles the 13.56 MHz RF front-end, the ISO 14443/ISO 15693/FeliCa protocol layers, and exposes a digital host interface (I2C, SPI, or NCI in the NXP case) so an application processor can read/write NFC tags, emulate cards, or perform peer-to-peer data exchange without writing low-level driver code. NFC controllers sit hierarchically under NFC/RFID ICs -> wireless transceivers -> semiconductor. The PN7161 family targets the higher level of this stack by integrating the RF matching network, antenna driver, and a complete NCI firmware image so OEMs can drop it onto a board and ship an NFC reader in days.
Key features include a built-in antenna driver with adjustable output power, integrated non-volatile memory for firmware storage, hardware low-power wake-up via an NFC-field detector, and a high-output RF stage capable of driving typical antennas at over 1.5 W conducted. The /C100K firmware build supports Apple ECP, which is required for certain Apple Wallet terminal modes (Apple VAS, Apple ECP) and is otherwise identical to the /C100 build in terms of electrical and mechanical characteristics.
The PN7161 architecture combines an Arm Cortex-M0 core for host-side command processing, an 80C51 core for real-time RF protocol handling, dedicated hardware for ISO 14443 A/B, ISO 15693, FeliCa, and NFC-Forum tag-type demodulation, and a silicon-graded RF front-end. The internal NVM stores the NCI firmware image, allowing field upgrades over the NCI interface and removing the need for an external flash on the smallest designs.
Typical applications include NFC reader modules for point-of-sale (POS) terminals, Apple Wallet-compliant contactless payment readers, NFC tag reading/writing for access control, Bluetooth pairing via NFC, and consumer electronics such as printers and wearables. The integrated antenna driver simplifies BOM and PCB layout versus discrete RF front-end designs.
When designing with this part, ensure a well-matched 50 ohm antenna network, follow NXP reference design (H/NXP-NXP-DRP-REF) layout guidelines for the RF matching area, and respect the moisture sensitivity level (MSL 3, 168 hours floor life) for VFBGA-64 handling. Use the NXP NCI host library on Linux, Android, or Windows to issue commands without writing low-level RF driver code.
This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, drop-in same-package variants of the PN7161, and practical design notes that are not duplicated in the manufacturer datasheet.
Drop-in-Alternativen für PN7161A1EV-C100K – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PN7161A1EV-C100K (gleiche Bauform und Footprint) – abweichend in MSL Level, Mounting Type, Package, RoHS Status, Function.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PN7161A1EV-C100Y
✅ Drop-In✓ Auf Lager
$2.31 / Stück
Datenblatt ansehen →PN7160A1EV-C100K
✅ Drop-In✓ Auf Lager
$3.2 / Stück
Datenblatt ansehen →PN7160A1EV-C100Y
✅ Drop-In✓ Auf Lager
$2.1 / Stück
Datenblatt ansehen →PN7161A1EV-C100K Technische Daten
| Funktion | NFC Plug and Play Controller with Integrated Firmware and NCI Interface |
| Protocols Supported | FeliCa, ISO 14443, ISO 15693, MIFARE, NFC Forum tag types |
| RF Frequency | 13.56 MHz |
| Host Interface Voltage | 1.65 V to 1.95 V |
| RF Supply Voltage | 3.0 V to 3.6 V |
| Peak Supply Current | 290 mA |
| Gehäuse | 64-VFBGA |
| Montageart | Surface Mount |
| MSL-Level | 3 (168 Hours) |
| Peak Reflow Temperature | 260 C |
| Betriebstemperatur | -25 C to +85 C |
| Integrated Firmware | Yes (NCI, with Apple ECP support) |
| Non-Volatile Memory | Built-in |
| Built-in Antenna Driver | Yes |
| Low-Power Wake-Up | Yes (NFC-field detector) |
| RoHS-Status | Compliant |
| Lebenszyklusstatus | Active |
PN7161A1EV-C100K 64-vfbga Pinbelegungsleitfaden
Pinbelegung für PN7161A1EV-C100K (64-vfbga-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für PN7161A1EV-C100K.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
PN7161A1EV-C100K ist geeignet für 7 Anwendungs: Apple Wallet POS Terminal, NFC Reader Module for Access Control, Bluetooth Pairing via NFC, NFC Tag Reader/Writer for Printers, Wearable and Fitness Tracker NFC, IoT Device NFC Commissioning, Industrial NFC Diagnostic Interface.
Apple Wallet POS Terminal
The PN7161A1EV-C100K is the recommended NXP part for Apple Wallet-compliant point-of-sale terminals because its /C100K firmware unlocks Apple Enhanced Contactless Polling (ECP) and Apple VAS. According to the NXP datasheet, the device operates at 13.56 MHz and supports the full ISO 14443 A/B protocol stack required for EMV contactless cards and Apple Wallet token transactions. The integrated NCI host interface lets the terminal application run on Linux or Android without writing low-level RF driver code, while the 290 mA peak current capability drives typical PCB loop antennas at 1.5 W conducted for the 4 cm read range required by NFC payment certification.
Empfohlen
NFC Reader Module for Access Control
In access-control readers, the PN7161A1EV-C100K reads ISO 14443A credentials, MIFARE Classic sectors, and NTAG tags with a single integrated front-end. According to the NXP datasheet, the hardware low-power wake-up asserts a host interrupt when an NFC field is detected, letting the reader MCU stay in deep sleep until a card or phone is presented. The integrated antenna driver eliminates the need for an external RF amplifier, reducing BOM cost by 20-30% versus discrete designs. The 64-VFBGA package fits inside a 25 mm x 25 mm module outline, which is the typical form factor for mullion-mount access readers.
Empfohlen
Bluetooth Pairing via NFC
The PN7161A1EV-C100K is widely used to provide tap-to-pair NFC functionality in Bluetooth speakers, headphones, and IoT devices, where the Out-of-Band pairing handover is delivered through NFC Forum connection Handover. According to the NXP datasheet, the part supports peer-to-peer mode and can hand a Bluetooth pairing token to a host MCU over I2C NCI within 200 ms of tap detection. The hardware low-power wake-up ensures the NFC controller consumes only leakage-level power until the user initiates a tap, preserving battery life in portable designs. The dual-rail supply (1.8 V host I/O, 3.3 V RF) interfaces cleanly with common Bluetooth SoCs without level shifters.
Empfohlen
NFC Tag Reader/Writer for Printers
Photo printers, label printers, and industrial printers use the PN7161A1EV-C100K to read print-job NFC tags and write consumables information to NTAG tags embedded in ink cartridges or paper trays. According to the NXP datasheet, the part reads and writes all NFC Forum Type 1/2/3/4 tags and ISO 15693 tags at the 13.56 MHz carrier, with a typical write time of 5-15 ms per NDEF record. The integrated antenna driver handles the variable-Q printer antenna environment without an external matching network rework. The 64-VFBGA package footprint is compatible across the PN7160/PN7161 family, allowing printer makers to standardize on one PCB layout for multiple product tiers.
Empfohlen
Wearable and Fitness Tracker NFC
Wearable devices such as fitness bands, smart watches, and medical wearables use the PN7161A1EV-C100K to read NFC tags at gym equipment, transit gates, and medical-device pairing interfaces. According to the NXP datasheet, the hardware low-power wake-up and 290 mA peak current budget enable a small-form-factor antenna while still meeting the 4 cm read range required for wrist-worn devices. The integrated NVM stores the NCI firmware, eliminating the need for an external flash in space-constrained wearables. The 1.65-1.95 V host I/O domain connects directly to the latest wearable SoCs without level translation.
Empfohlen
IoT Device NFC Commissioning
Smart-home and industrial-IoT devices use the PN7161A1EV-C100K to receive Wi-Fi or Thread network credentials over an NFC tap from a smartphone, dramatically simplifying the commissioning flow versus Bluetooth pairing or QR-code scanning. According to the NXP datasheet, the part's NCI interface streams NDEF records directly to the host MCU, which can then parse the Wi-Fi SSID and PSK without writing RF driver code. The integrated antenna driver and small 64-VFBGA outline (typically 5 mm x 5 mm) fit inside smart-lightbulb form factors, smart-plug enclosures, and HVAC controller faceplates. The hardware low-power wake-up ensures the NFC subsystem draws negligible current during standby.
Empfohlen
Industrial NFC Diagnostic Interface
Industrial controllers, PLCs, and field-service tools use the PN7161A1EV-C100K as a maintenance interface, allowing service technicians to read diagnostics, write configuration, and update firmware via an NFC tap from a smartphone or handheld reader. According to the NXP datasheet, the -25 C to +85 C operating temperature range covers most industrial environments, and the MSL 3 (168 hour) floor life is compatible with standard industrial SMT lines. The 290 mA peak current capability delivers reliable read/write through metal enclosures when paired with a properly tuned through-hole antenna. The integrated NVM allows field firmware upgrades over the NCI interface without external flash.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PN7161A1EV-C100K – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PN7161A1EV-C100Y | PN7160A1EV-C100K | PN7160A1EV-C100Y |
|---|---|---|---|---|
| Package | 64-VFBGA | 64-VFBGA - same | 64-VFBGA - same | 64-VFBGA - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| RF Frequency | 13.56 MHz | 13.56 MHz | 13.56 MHz | 13.56 MHz |
| Apple ECP Support | Yes (firmware /C100K) | No | No (PN7160 lacks ECP feature) | No |
| Host Interface Voltage | 1.65 V to 1.95 V | 1.65 V to 1.95 V | 1.65 V to 1.95 V | 1.65 V to 1.95 V |
| RF Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Peak Current | 290 mA | 290 mA | 290 mA | 290 mA |
| Integrated Firmware | Yes (NCI, with Apple ECP) | Yes (NCI, no Apple ECP) | Yes (NCI, no Apple ECP) | Yes (NCI, no Apple ECP) |
| Unit Price (qty 1, as of 2026-10-19) | $4.64 | ~$4.60 | ~$4.20 | ~$4.20 |
Wichtigste Unterscheidungsmerkmale
- Apple ECP firmware support (vs. PN7160A1EV-C100K)
- Faster firmware rollout for Apple ECP (vs. PN7161A1EV-C100Y)
- Identical electrical characteristics to PN7161/C100Y (vs. PN7161A1EV-C100Y)
Designhinweise
Follow the NXP PN7160/PN7161 reference design layout guidelines for the RF matching area. Place the matching pi-network capacitors within 2 mm of the VFBGA RF pins and keep the antenna trace short and symmetrical to maintain 50 ohm impedance. Use a continuous ground plane under the RF section and stitch the perimeter with vias to suppress radiated harmonics. The antenna coil should be a PCB trace or flex PCB loop with Q between 20 and 35 for the best read-range versus EMC compliance trade-off.
The 3.3 V RF supply rail must deliver at least 350 mA peak during continuous field-on. Place a 100 nF X7R decoupling capacitor within 2 mm of each VFBGA power pin, plus a bulk 4.7 uF ceramic or tantalum capacitor on the 3.3 V rail. The 1.8 V host I/O rail draws much less current (typically 50 mA peak) but still requires a 100 nF decoupling cap. Avoid sharing the RF supply with noisy digital circuits - place a ferrite bead or pi-filter between the system 3.3 V and the PN7161 VCC_RF pin.
VFBGA-64 is MSL 3 with a 168 hour floor life - bake the part at 125 C for 24 hours before assembly if the sealed bag has been open longer than the floor life. Peak reflow temperature is 260 C per the JEDEC J-STD-020 standard. Do not confuse the /C100K firmware variant (Apple ECP) with the /C100Y firmware variant (no Apple ECP) - the package marking and reel label must match the firmware required by the application. Always validate NFC performance with a Voyantic Tagformance or equivalent tester before EMC certification.
The PN7161 NCI interface runs on I2C (default 400 kHz, upgradable to 1 MHz) or SPI (up to 10 MHz). Keep the NCI traces short (< 50 mm) and route them on an inner layer with ground reference to avoid coupling RF noise into the host bus. Add 33 ohm series termination on SCL/SDA if the bus length exceeds 30 mm. The IRQ and VEN pins must be wired to GPIO on the host MCU so the host can respond to NCI notifications and reset the PN7161 if the firmware becomes unresponsive.
Compliance-Informationen
RoHS and REACH compliant per NXP product page and LCSC catalog. MSL 3 (168 hours) per JEDEC J-STD-020. Peak reflow 260 C. AEC-Q100 not applicable - NFC controllers are not typically AEC-Q100 qualified; NXP offers NCx3320 and PN5532 for automotive NFC.
