NXP Semiconductors PN7642EV/C100Y

Overview

PN7642EV/C100Y from NXP Semiconductors is a single-chip NFC controller integrating an Arm Cortex-M33 MCU (45 MHz), hardware-accelerated symmetric/asymmetric cryptography, and a high-power 2.0 W NFC frontend supporting ISO14443-A/B, FeliCa, ISO15693, and MIFARE card emulation. It delivers secure contactless polling for physical access terminals and closed-loop payment readers.

For engineers reviewing the PN7642EV/C100Y datasheet, PN7642EV/C100Y pinout, PN7642EV/C100Y application, or PN7642EV/C100Y equivalent, key selection considerations include its VFBGA64 package, 21 GPIOs with PWM/ADC support, ULPCD current of 22 μA, DPC 2.0 autonomous transmitter regulation, and SESIP L2/NFC Forum certification for secure reader deployments.

Technical Context

The PN7642EV/C100Y implements a tightly coupled architecture where the Cortex-M33 core executes firmware while offloading cryptographic operations to dedicated symmetric and asymmetric accelerators, with secure key transfer via a Key Transfer Unit that bypasses CPU involvement. Its RF subsystem integrates dynamic power control (DPC 2.0) with true current measurement and adaptive waveshape control (AWC) to maintain waveform compliance across antenna detuning conditions.

Transmitter operation is supported by an integrated DC-DC boost converter (output up to 6.0 V) and a dedicated VDDPA LDO with 100 mV granularity voltage control, enabling stable 2.0 W output even under battery droop. Receiver signal processing includes true AGC, 10-bit ADC, RSSI-based automatic gain adjustment, and noise-immune baseband amplification optimized for TFT/DC-DC interference environments.

Key Specifications

Pinout & Package

VFBGA64 package: plastic thin fine-pitch ball grid array, 4.5 × 4.5 × 0.9 mm body, MSL Level 3, 64-ball layout with dedicated RF, power, and host interface balls.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NFC controller applications.

Compared with PN7642EV/C100Y, the C101 and C102 variants offer identical hardware functionality but differ in factory-programmed firmware version and default transport keys-making them drop-in alternatives for production scalability and lifecycle management, not electrical or mechanical redesigns.

Availability

PN7642EV/C100Y is available at Aetrix Electronics and suitable for physical access terminals, e-government ID readers, and closed-loop payment systems requiring stable component supply, long-term lifecycle assurance, and certified NFC functionality.

Supply support for PN7642EV/C100Y 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 company specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with leadership in NFC, RFID, and secure microcontrollers.

The PN7642EV/C100Y belongs to NXP's PN76xx NFC controller family, engineered for high-performance, secure, and low-power contactless reader applications-including access control, transit ticketing, and government ID infrastructure.

FAQ

What is the primary function of the PN7642EV/C100Y in an NFC system?

The PN7642EV/C100Y serves as a fully integrated NFC controller combining a 45 MHz Arm Cortex-M33 MCU, hardware cryptographic accelerators, and a 2.0 W RF frontend. It handles all layers of NFC communication-from physical layer modulation/demodulation to secure application-level processing-enabling standalone reader designs without external host processors. Its PN7642EV/C100Y implementation supports ISO14443-A/B, FeliCa, ISO15693, and MIFARE protocols with autonomous DPC 2.0 and ULPCD features.

Does the PN7642EV/C100Y support firmware updates in the field?

Yes, the PN7642EV/C100Y supports secure over-the-air and wired firmware updates via USB, SPI, I2C, I3C, UART, or NFC interfaces. The secure download mode uses a dedicated command set and does not require additional hardware pins-activation occurs through software command followed by reset. Firmware updates leverage the PN7642EV/C100Y's secure boot and cryptographic accelerators to verify signature integrity before execution, ensuring protection against unauthorized code injection.

What are the power supply requirements for the PN7642EV/C100Y transmitter stage?

The PN7642EV/C100Y transmitter requires three distinct supply domains: VDDPA (2.4–5.7 V) powers the RF output drivers; VUP_TX supplies the transmitter LDO for DPC 2.0 regulation; and VDDBOOST feeds the internal DC-DC boost converter (capable of generating up to 6.0 V). The PN7642EV/C100Y's integrated DC-DC allows operation from a single 3.3 V system rail while maintaining full 2.0 W RF output-even as battery voltage declines-making it ideal for portable access readers.

How does the PN7642EV/C100Y achieve compliance with NFC Forum and EMVCo standards?

The PN7642EV/C100Y achieves compliance through hardware-enforced features including autonomous EMD error handling per ISO/IEC14443 and EMVCo 3.0, adaptive waveshape control (AWC) for waveform stability across antenna detuning, and dynamic power control (DPC 2.0) with true current measurement. Its PN7642EV/C100Y certification includes NFC Forum Reader Device and Card Emulation conformance, plus SESIP Level 2 security accreditation-validating both RF performance and cryptographic robustness in real-world deployments.

What security certifications apply to the PN7642EV/C100Y?

The PN7642EV/C100Y holds SESIP Level 2 certification for secure element functionality and NFC Forum certification for both reader device and card emulation modes. These attest to its resistance against side-channel attacks, secure key storage with factory-programmed transport keys, hardware-accelerated AES/SHA/RSA/ECC operations, and secure boot enforcement. The PN7642EV/C100Y's security architecture meets requirements for e-government ID, payment, and physical access applications governed by Common Criteria and national digital identity frameworks.