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TRF7970ARHBR
+NomenclatureIC RFID RDR/TRANS 13.56MZ 32VQFN
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FabricantTexas Instruments
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Pièce fabricant #TRF7970ARHBR
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Package VQFN-32
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En stock5342
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Spécifications
| Attribut | Valeur |
| 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 |
Présentation
Description
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
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 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
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.