TRF7970ARHBR

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TRF7970ARHBR

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IC RFID RDR/TRANS 13.56MZ 32VQFN

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #TRF7970ARHBR

  • パッケージ VQFN-32

  • 在庫状況5342

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type RFID Reader/Transponder
Frequency 13.56MHz
Standards ISO 14443, ISO 15693, ISO 18000-3
Interface SPI
Voltage - Supply 2.7V ~ 5.5V
Operating Temperature -40°C ~ 110°C
Mounting Type Surface Mount

概要

Description

The TRF7970ARHBR is a highly integrated, multi-protocol transceiver IC designed by Texas Instruments. It is primarily used for Near Field Communication (NFC) and RFID applications, supporting various standards such as ISO 14443A/B, ISO 15693, and NFCIP-1 (ISO 18092). The device operates in the HF band at 13.56 MHz, making it suitable for contactless communication and data exchange.
Key features of the TRF7970ARHBR include bit rates up to 848 kbps, integrated data framing, and a variety of anti-collision algorithms. It supports SPI and parallel interfaces for communication with host processors, enhancing flexibility in system design. The IC also includes a built-in regulator and low-power modes, making it suitable for battery-operated devices.
Designed for versatility, the TRF7970A can be used in applications ranging from mobile payment systems, access control, and asset tracking to consumer electronics and automotive. Its robust design and extensive protocol support make it a popular choice for developers looking to implement NFC and RFID capabilities in their products.

Equivalent

Equivalent products to the TRF7970ARHBR chip, which is a 13.56 MHz NFC transceiver, include:
1. NXP PN532 - A widely used full-featured NFC controller.
2. STMicroelectronics ST25R3911B - Offers energy-efficient NFC and RFID reader capabilities.
3. Broadcom BCM20795 - Provides NFC controller functionalities for mobile applications.
4. AMS AS3911 - Known for high-speed and high-reliability NFC communications.
These alternatives offer similar functionalities in NFC applications, though specifications and capabilities may vary slightly.

Features

The TRF7970ARHBR is an integrated analog front end and data-framing device for a 13.56 MHz RFID and Near Field Communication (NFC) system. It supports multiple standards, including ISO 14443 A/B, ISO 15693, ISO 18092, and FeliCa. Key features include support for peer-to-peer communication, card emulation, and reader/writer modes, making it versatile for various NFC applications.
The device offers a programmable output power of up to 200 mW and supports data rates up to 848 kbps. It includes built-in anti-collision algorithms, allowing multiple tags in the field to be distinguished and processed. The TRF7970ARHBR also features a low-power card detection mode to conserve energy in battery-operated systems. It supports single-ended and differential antenna configurations to provide design flexibility.
The interface options include SPI and parallel interfaces for easy integration with microcontrollers. The device operates over a voltage range of 2.7 to 5.5 V and features several power-down and standby modes to optimize power consumption. It is available in a 32-pin QFN package, suitable for compact designs.

Pinout

The TRF7970ARHBR is a multi-protocol fully integrated 13.56 MHz RFID and Near Field Communication (NFC) transceiver IC. It typically comes in a 32-pin RHB package. Here’s a brief overview of its pin functions:
1. Power Supply and Ground: Includes pins for VDD, VDD_X, and ground connections.
2. RF Inputs/Outputs: Pins designed for antenna interface, including TX, RX, and auxiliary RF pins for external matching networks.
3. SPI/I2C Interface: Used for communication with a host microcontroller, with pins for SPI (MISO, MOSI, SCLK, SS) or I2C (SDA, SCL) interfaces.
4. Control and Status: Pins for Enable, IRQ, and status outputs to control operations and signal interrupts.
5. Clock: Includes a pin for an external crystal or clock input to provide timing for RF operations.
6. Miscellaneous: Some pins may be used for additional features or configuration settings, like MOD, ASK/OOK, and others.
This IC supports multiple RFID standards, providing flexibility for NFC and RFID applications. Refer to the TRF7970A datasheet for detailed pin descriptions and functions.

Manufacturer

The TRF7970ARHBR is a product manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. Their product portfolio includes analog and embedded processing products, such as microcontrollers, digital signal processors, and integrated circuits (ICs) for various applications. TI is known for its innovation in the semiconductor industry and serves sectors like automotive, industrial, consumer electronics, and communications.

Application

The TRF7970ARHBR is a highly integrated NFC and RFID transceiver chip used in various applications. Its primary application areas include contactless payment systems, access control systems, and electronic ticketing. It is also used in industrial automation for tracking and inventory management, as well as in healthcare for patient identification and equipment tracking. Additionally, the TRF7970ARHBR supports wireless data exchange in consumer electronics, enabling features like smartphone pairing and secure data transfer. Its versatility in supporting multiple RFID standards makes it suitable for applications across different sectors requiring secure and efficient wireless communication.

Package

The TRF7970ARHBR is packaged in a VQFN (Very Thin Quad Flat No-Lead) package with 32 pins. The specific dimensions for the package are defined by the RHF package code. This type of package is designed for compact, surface-mount applications, providing efficient use of PCB space.

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