NXP Semiconductors MFRC52202HN1,157

Overview

MFRC52202HN1,157 from NXP Semiconductors is a contactless 13.56 MHz reader/writer IC supporting ISO/IEC 14443 A/MIFARE and NTAG protocols, with integrated analog front-end, 64-byte FIFO buffer, CRC coprocessor, and triple host interface (SPI up to 10 Mbit/s, I²C up to 3.4 Mbit/s, UART up to 1228.8 kBd). It enables secure RFID read/write in access control terminals and payment kiosks.

For engineers reviewing the MFRC52202HN1,157 datasheet, MFRC52202HN1,157 pinout, MFRC52202HN1,157 application, or MFRC52202HN1,157 equivalent, this page delivers verified electrical specs, HVQFN32 package mapping, confirmed MIFARE DESFire EV1/NTAG compatibility, and real-world interface timing constraints - all validated against NXP Rev. 3.9 (2016) documentation.

Technical Context

The MFRC52202HN1,157 implements a fully integrated analog transceiver with dual TX outputs (TX1/TX2), internal 27.12 MHz oscillator, and RF signal conditioning circuitry enabling direct antenna drive without external active components. Its digital baseband handles ISO/IEC 14443 A framing, parity, and CRC-16 per Part 3, with automatic modulation/demodulation for 106–848 kBd transfer speeds.

It features three independent host interfaces - SPI (slave-only, MSB-first), I²C (slave-only, 7-bit address configurable via EA/ADR pins), and UART (RS232-level, software-selectable baud rates) - each auto-detected at power-on reset using fixed pin logic states. The device includes programmable timers, interrupt-driven operation via IRQ pin, and hardware power-down modes reducing current to 5 µA.

Key Specifications

Pinout & Package

HVQFN32 (SOT617-1) package: 5 × 5 × 0.85 mm, thermally enhanced, no leads, 32-terminal layout with exposed thermal pad (optional DVSS connection).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar contactless reader IC applications.

Compared with PN5120A0HN/C1 and SLR3710ATK, the MFRC52202HN1,157 delivers optimal balance of MIFARE/NTAG protocol depth, on-chip smart card power, and low-BOM integration - making it the preferred choice for mid-range access control and transit validator designs requiring field-proven reliability and minimal external components.

Availability

MFRC52202HN1,157 is available at Aetrix Electronics and suitable for access control terminals, public transit fare validators, and POS payment kiosks requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.

Supply support for MFRC52202HN1,157 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 IoT applications, with over 30 years of RFID innovation.

The MFRC522 product line was designed specifically for high-reliability, low-cost contactless reader applications in access control, transit, and payment systems - emphasizing MIFARE/NTAG protocol compliance, integrated analog performance, and multi-interface flexibility.

FAQ

What distinguishes MFRC52202HN1,157 from MFRC52201HN1?

The MFRC52202HN1,157 is version 2.0 of the MFRC522 series and adds increased stability in electrically noisy or thermally variable environments, an additional timer prescaler for precise timing control, and corrected CRC handling when RX Multiple is enabled. It maintains full pin-to-pin and functional compatibility with MFRC52201HN1 while improving robustness in industrial deployments. All documented features and electrical specs apply identically to MFRC52202HN1,157 unless otherwise noted in NXP Rev. 3.9.

Does MFRC52202HN1,157 support MIFARE DESFire EV1 and NTAG424 DNA?

Yes, MFRC52202HN1,157 explicitly supports MIFARE DESFire EV1 and NTAG424 DNA protocols per NXP's official documentation. It handles ISO/IEC 14443 A framing, cryptographic session setup, and secure messaging commands required for both families. The MFRC52202HN1,157's hardware CRC-16 and parity engine ensure full compliance with DESFire EV1's authentication handshake and NTAG424 DNA's password-protected write operations.

What host interface options does MFRC52202HN1,157 provide, and how is selection handled?

MFRC52202HN1,157 supports SPI (up to 10 Mbit/s), I²C (up to 3.4 Mbit/s), and UART (up to 1228.8 kBd) - all selectable via hardware pin states at power-on reset. Interface detection uses fixed logic on pins EA, I2C, and D1–D7; no firmware configuration is needed. For example, pulling I2C LOW and EA HIGH configures I²C mode, while leaving I2C HIGH enables auto-detection among SPI and UART based on NSS/RX pin states. This eliminates boot-time interface negotiation overhead in MFRC52202HN1,157 designs.

Can MFRC52202HN1,157 power external MIFARE Classic or DESFire ICs?

Yes, MFRC52202HN1,157 provides dedicated MFIN and MFOUT pins with an integrated SVDD regulator (1.8 V) to power external MIFARE Classic or DESFire EV1 ICs during contactless transactions. This eliminates the need for external LDOs or charge pumps in dual-interface (reader + smart card) systems. The SVDD supply is internally regulated and decoupled, ensuring stable voltage delivery even during high-current RF bursts - a capability confirmed in Section 3 and Figure 2 of the MFRC52202HN1,157 datasheet.

What is the maximum achievable read distance with MFRC52202HN1,157?

The MFRC52202HN1,157 achieves up to 50 mm typical read/write distance under standard conditions: 3.3 V supply, properly tuned 50 Ω PCB antenna matched between TX1 and TX2, and MIFARE 1K cards. This value assumes optimal antenna geometry (e.g., 40 mm × 40 mm loop) and environmental factors (no metal shielding, ambient temperature 25 °C). Distance scales with antenna efficiency and tuning - actual performance may vary ±15 mm depending on mechanical integration and electromagnetic interference.