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NXP Semiconductors PN7120A0EV/C10801Y
- Part No.:
- PN7120A0EV/C10801Y
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 49-VFBGA
- Datasheet:
-
PN7120A0EV/C10801Y.pdf
- Description:
- IC RFID READER 13.56MHZ 49VFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,011
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Product details
Overview
PN7120A0EV/C10801Y from NXP Semiconductors is a fully integrated NFC controller IC with embedded ARM Cortex-M0 core and preloaded firmware supporting all NFC Forum modes (Reader/Writer, Card Emulation, P2P Active/Passive) at 13.56 MHz. It delivers ISO/IEC 14443-A/B, ISO/IEC 15693, FeliCa, MIFARE Classic/DESFire, and NFC Forum Tag Types 1–4 compliance in a VFBGA49 package, enabling rapid NFC integration into Linux/Android host systems via I²C interface.
For engineers reviewing the PN7120A0EV/C10801Y datasheet, PN7120A0EV/C10801Y pinout, PN7120A0EV/C10801Y application, or PN7120A0EV/C10801Y equivalent, key selection considerations include its integrated polling loop, ultra-low-power monitoring (10 µA HPD), battery-direct operation (2.3–5.5 V), NCI 1.0 host interface, and autonomous RF wake-up capability - critical for wearables, home automation gateways, and portable consumer electronics requiring certified NFC functionality without external protocol stack development.
Technical Context
The PN7120A0EV/C10801Y implements an NCI 1.0-compliant host interface over I²C (up to 3.4 MBaud) with programmable slave address (0x50/0x52) and dedicated IRQ line for event notification. Its RF front-end integrates a high-sensitivity demodulator, buffered antenna drivers (TX1/TX2), and RF level detector, supporting both passive load modulation (for small antennas) and active communication modes per NFCIP-1/NFCIP-2.
Power management includes four distinct states: Hard Power Down (10 µA), Standby (≤20 µA), Monitor (12 µA), and Active - with autonomous wake-up triggered by RF field detection, internal 380 kHz timer, or I²C activity. The embedded Cortex-M0 executes pre-integrated NFC protocols, offloading real-time polling, discovery, and ISO-DEP framing from the host processor.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Voltage | VBAT: 2.3–5.5 V (Card Emulation); 2.7–5.5 V (Reader/Active modes) - enables direct battery connection without external regulators |
| Host Interface | I²C-bus up to 3.4 MBaud with NCI 1.0 protocol - eliminates need for custom driver development on Linux/Android hosts |
| RF Protocols | Fully supports NFC Forum Modes 1–4, ISO/IEC 14443-A/B, ISO/IEC 15693, FeliCa, MIFARE Classic/DESFire - single-chip compatibility with global contactless infrastructure |
| Low-Power Polling | 150 µA average current at 500 ms loop interval - extends battery life in always-on NFC applications like remote controls and wearables |
| Package | VFBGA49 (SOT1320-1), 3.2 × 3.2 × 0.5 mm - compact footprint suitable for space-constrained portable designs |
| Integrated Core | ARM Cortex-M0 with ROM-based firmware and EEPROM storage - provides certified NFC stack without external memory or firmware loading |
| Wake-Up Sources | RF field detection, I²C address match, and 380 kHz internal timer - enables zero-latency response without host polling overhead |
Pinout & Package
VFBGA49 (SOT1320-1) package: 3.2 mm × 3.2 mm × 0.5 mm, 49-ball array with 0.4 mm pitch; requires standard reflow profile and controlled impedance PCB layout for antenna matching network.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VBAT / VBAT1 / VBAT2 | Battery supply inputs | Direct connection to primary power source; must be tied together for stable 2.3–5.5 V operation |
| VDD(TX) | Antenna driver supply | Decoupled 3.1 V output for TX1/TX2 drivers; current-limited to 180 mA to protect antenna circuitry |
| RXP / RXN | Differential receiver inputs | High-impedance analog inputs for antenna signal recovery; require matched trace routing |
| ANT1 / ANT2 | Antenna connection points | Single-ended or differential antenna interface; tuning network placed between these pins and antenna |
| IRQ | Interrupt request output | Open-drain signal notifying host of card detection, P2P event, or firmware state change |
| VEN | Hard Power Down control | Active-low enable pin; drives PN7120 into <12 µA HPD state when pulled low |
Key Features
| Feature | Design Value |
|---|---|
| Integrated NCI 1.0 stack | Eliminates host-side NFC protocol implementation; reduces Android/Linux BSP integration time by >70% |
| Autonomous polling loop | Configurable multi-technology scan sequence (Type A/B/F/ISO15693) with hardware-accelerated timing |
| Ultra-low-power Monitor mode | 12 µA operation with battery voltage supervision - prevents deep discharge in coin-cell-powered devices |
| On-chip power management unit | Direct battery input support with internal LDOs (1.8 V, 3.3 V) and dynamic state switching without host intervention |
| Embedded security IP | Includes licensed ISO/IEC 14443-A and Innovatron 14443-B IP - ensures full regulatory compliance without royalty-bearing external licensing |
Applications
| Smart Home Gateway | Wearable Health Monitor |
|---|---|
Use Scenario: NFC-enabled residential gateway authenticating smart locks, thermostats, and lighting controllers during commissioning. IC Role / Device Role / Timing Role: Acts as NFC Reader/Writer initiating secure pairing via ISO-DEP with MIFARE DESFire credentials. Use Value: Enables tap-to-pair provisioning without Wi-Fi credentials exposure; leverages PN7120A0EV/C10801Y's 150 µA polling loop to maintain readiness for <1 s response. | Use Scenario: Fitness band using NFC for quick data sync with smartphones and contactless payment token activation. IC Role / Device Role / Timing Role: Functions as Card Emulation target (ISO/IEC 14443-A) presenting stored health credential to mobile POS terminals. Use Value: Achieves <200 ms card emulation startup from Standby state using RF wake-up; operates continuously on 3.7 V Li-ion cell. |
| Android TV Remote | Industrial Printer Control Panel |
Use Scenario: Voice-controlled TV remote using NFC to launch apps, transfer media links, or pair with Bluetooth speakers. IC Role / Device Role / Timing Role: Implements NFC P2P Passive mode (106 kbps) for bidirectional handover of URI/Bluetooth MAC addresses. Use Value: Leverages PN7120A0EV/C10801Y's integrated polling loop and IRQ-driven host wake-up to minimize remote standby power draw. | Use Scenario: Networked office printer with NFC tag for one-touch job submission, firmware update initiation, or service technician authentication. IC Role / Device Role / Timing Role: Operates as Reader/Writer scanning ISO15693 tags on consumables or maintenance cards. Use Value: Uses PN7120A0EV/C10801Y's 2.3 V minimum VBAT to function reliably across wide industrial temperature range (-30°C to +85°C). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN7150A0HN/C10801Y | Enhanced RF performance (higher sensitivity), extended temperature range (-40°C to +105°C), same VFBGA49 package and pinout | Better suited for automotive infotainment and harsh-environment industrial readers | Select when operating beyond +85°C or requiring improved read range in metal-rich environments |
| ST25DV04K-IER | I²C-based dynamic NFC tag (not controller); no embedded MCU, no polling loop, limited to Type 5 (ISO15693) and Type 4B (ISO14443-B) | Only supports passive tag emulation - cannot act as reader or P2P initiator | Choose only for simple data exchange or configuration storage where host handles all protocol logic |
Compared with PN7120A0EV/C10801Y, PN7150A0HN/C10801Y offers higher RF robustness for demanding deployments, while ST25DV04K-IER serves strictly as a memory tag - neither provides the full NFC Forum mode support, integrated firmware, or autonomous polling capability that defines the PN7120A0EV/C10801Y's system-level value.
Availability
PN7120A0EV/C10801Y is available at Aetrix Electronics and suitable for smart home gateways, wearable health monitors, Android TV remotes, industrial printers, and connected audio devices requiring stable component supply and long-term lifecycle support.
Supply support for PN7120A0EV/C10801Y includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and consumer markets, with over 20 years of NFC innovation and industry-standardization leadership.
The PN7120A0EV/C10801Y belongs to NXP's PN71xx family of plug-and-play NFC controllers designed specifically to accelerate certified NFC integration into resource-constrained embedded systems running Linux or Android - eliminating protocol stack development and reducing BOM cost.
FAQ
What is the primary function of the PN7120A0EV/C10801Y in an NFC system?
The PN7120A0EV/C10801Y serves as a complete NFC controller IC with embedded firmware, enabling it to operate as Reader/Writer, Card Emulation target, or P2P initiator without external protocol stack software. Its integrated ARM Cortex-M0 executes all NFC Forum-defined real-time operations, including polling loop management, ISO-DEP framing, and RF modulation/demodulation - making PN7120A0EV/C10801Y a self-contained solution for host systems lacking NFC processing capability.
Does the PN7120A0EV/C10801Y require an external crystal oscillator?
Yes, the PN7120A0EV/C10801Y requires a 27.12 MHz crystal connected to XTAL1/XTAL2 pins for optimal RF performance in Reader and NFCIP-1 Initiator modes. The crystal must meet ±50 ppm accuracy over temperature and 50–100 Ω ESR per datasheet specification. Alternatively, the integrated PLL can accept 13–52 MHz reference clocks, but the 27.12 MHz crystal remains the recommended configuration for FCC/ISO compliance - a requirement directly applicable to PN7120A0EV/C10801Y design validation.
How does the PN7120A0EV/C10801Y achieve ultra-low power consumption in battery-operated devices?
The PN7120A0EV/C10801Y achieves ultra-low power through four configurable states: Hard Power Down (10 µA), Monitor (12 µA), Standby (≤20 µA), and Active. Its autonomous polling loop uses a 380 kHz internal oscillator to wake only for brief RF sensing intervals (e.g., 500 ms), drawing just 150 µA average current. Battery voltage supervision and RF-field-triggered wake-up eliminate host polling overhead - critical for extending runtime in devices powered by PN7120A0EV/C10801Y's 2.3–5.5 V direct battery interface.
Can the PN7120A0EV/C10801Y interface with a 1.8 V host microcontroller?
Yes, the PN7120A0EV/C10801Y supports 1.8 V host I²C operation via its VDD(PAD) supply pin (1.65–1.95 V range), with dedicated I2CSCL, I2CSDA, and I2CADR0 pins referenced to this voltage. The I²C interface operates at Standard (100 kHz), Fast (400 kHz), and High-speed (3.4 MHz) modes, and the IRQ output is open-drain compatible with 1.8 V logic levels - ensuring seamless integration with low-voltage MCUs without level-shifting circuitry in PN7120A0EV/C10801Y-based designs.
What antenna configurations are supported by the PN7120A0EV/C10801Y?
The PN7120A0EV/C10801Y supports both single-ended (ANT1 only) and differential (ANT1 + ANT2) antenna topologies via its integrated transmitter outputs (TX1/TX2) and receiver inputs (RXP/RXN). Antenna matching networks must be tuned to match the 13.56 MHz resonance while respecting the 180 mA VDD(TX) current limit. NXP's Antenna and Tuning Design Guide ([6]) provides validated layouts for common form factors - essential for achieving the specified 5 cm+ read range and reliable operation of PN7120A0EV/C10801Y in final product enclosures.
PN7120A0EV/C10801Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 49-VFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- RFID Reader
- Frequency:
- 13.56MHz
- Standards:
- FeliCa, ISO 14443, ISO 15693, ISO 18000, MIFARE, NFC
- Interface:
- I2C
- Voltage - Supply:
- 1.65V ~ 3.6V
- Operating Temperature:
- -30°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 49-VFBGA (4x4.3)
PN7120A0EV/C10801Y FAQ
1.How can I place an order for PN7120A0EV/C10801Y through Aetrix?
Please submit a Request for Quotation (RFQ) for PN7120A0EV/C10801Y on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PN7120A0EV/C10801Y reliable?
The price and inventory of PN7120A0EV/C10801Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PN7120A0EV/C10801Y is usually 5 days.
3.What payment methods are accepted for PN7120A0EV/C10801Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PN7120A0EV/C10801Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PN7120A0EV/C10801Y?
PN7120A0EV/C10801Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PN7120A0EV/C10801Y order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PN7120A0EV/C10801Y?
For technical support, including PN7120A0EV/C10801Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PN7120A0EV/C10801Y requirements.
6.How does Aetrix verify that PN7120A0EV/C10801Y is sourced from the original manufacturer or authorized distributors?
All PN7120A0EV/C10801Y products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PN7120A0EV/C10801Y meets industry standards.
7.What is the process for return or replacement of PN7120A0EV/C10801Y?
All PN7120A0EV/C10801Y units undergo pre-shipment inspection (PSI). If there is an issue with PN7120A0EV/C10801Y, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PN7120A0EV/C10801Y part is unused and in its original packaging.
Return procedure for PN7120A0EV/C10801Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PN7120A0EV/C10801Y Tags
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SL2S2602FTBX
NXP Semiconductors
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ST25DV04K-IER6S3
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ST25DV04K-IER6C3
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ST25DV04KC-JF6D3
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ST25DV64KC-IE6S3
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