Overview
The TRF7960RHBR from Texas Instruments is a multi-protocol, fully integrated 13.56-MHz RFID reader/writer IC. This device is part of the TRF7960 and TRF7961 family, designed to support multiple protocols including ISO/IEC 14443 A and B, FeliCa™, and ISO/IEC 15693. It is highly integrated, featuring a complete analog front end and data-framing system, making it suitable for a wide range of applications in proximity and vicinity identification systems.
The TRF7960RHBR offers high flexibility and ease of use, with automatically configured default modes for each supported ISO protocol and direct access to all control registers for fine-tuning reader parameters. It also supports data rates up to 848 kbps and includes built-in hardware encoders and decoders for efficient data transmission and reception.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Frequency | 13.56 MHz | |
| Supply Voltage Range | 2.7 V to 5.5 V | V |
| Output Power Levels | 100 mW (+20 dBm) or 200 mW (+23 dBm) | |
| Modulation Types | OOK and ASK with adjustable modulation depth (8% to 30%) | |
| Data Rate | Up to 848 kbps | kbps |
| Interface | Parallel 8-bit or Serial 4-pin SPI with 12-byte FIFO | |
| Package | 32-Pin QFN (5 mm × 5 mm) | |
| Power Consumption | Power Down: <1 µA, Standby: 120 µA, Active (RX Only): 10 mA | µA/mA |
| Auxiliary Voltage Regulator | Up to 20 mA | mA |
Key Features
- Completely integrated protocol handling for ISO/IEC 14443 A and B, FeliCa™, and ISO/IEC 15693 protocols.
- Separate internal high-PSRR power supplies for analog, digital, and PA sections to provide noise isolation and superior read range and reliability.
- Dual receiver inputs with AM and PM demodulation to minimize communication holes.
- Receiver AM and PM RSSI for signal strength monitoring.
- Reader-to-reader anticollision to prevent interference between multiple readers.
- High integration to reduce total BOM and board area.
- Single external 13.56-MHz crystal oscillator and MCU-selectable clock-frequency output of RF, RF/2, or RF/4.
- Adjustable 20-mA high-PSRR LDO for powering external MCU and additional circuits.
- Ultra-low-power modes with power down, standby, and active (RX only) options.
- Selectable receiver gain and programmable output power.
- Built-in receiver band-pass filter with user-selectable corner frequencies.
- Parallel 8-bit or serial 4-pin SPI interface with 12-byte FIFO for communication with MCU.
- Ultra-small 32-pin QFN package (5 mm × 5 mm).
Applications
The TRF7960RHBR is suitable for a wide range of applications in proximity and vicinity identification systems, including:
- Access control systems.
- Inventory management and tracking.
- Payment systems.
- Near Field Communication (NFC) applications.
- Smart cards and contactless payment cards.
- Healthcare and medical device identification.
- Industrial automation and asset tracking.
Q & A
- What is the operating frequency of the TRF7960RHBR?
The operating frequency is 13.56 MHz.
- What protocols does the TRF7960RHBR support?
The device supports ISO/IEC 14443 A and B, FeliCa™, and ISO/IEC 15693 protocols.
- What are the output power levels of the TRF7960RHBR?
The output power levels are 100 mW (+20 dBm) or 200 mW (+23 dBm) into a 50-Ω load.
- What types of modulation does the TRF7960RHBR support?
The device supports OOK and ASK modulation with adjustable modulation depth (8% to 30%).
- What is the data rate supported by the TRF7960RHBR?
The device supports data rates up to 848 kbps.
- What interfaces are available for communication with the MCU?
The device supports parallel 8-bit or serial 4-pin SPI interfaces with a 12-byte FIFO.
- What is the package type and size of the TRF7960RHBR?
The device comes in a 32-pin QFN package (5 mm × 5 mm).
- What are the power consumption modes of the TRF7960RHBR?
The device has power down (<1 µA), standby (120 µA), and active (RX only) (10 mA) power consumption modes.
- Does the TRF7960RHBR have an auxiliary voltage regulator?
Yes, it has a built-in programmable auxiliary voltage regulator that delivers up to 20 mA.
- What are some typical applications of the TRF7960RHBR?
Typical applications include access control, inventory management, payment systems, NFC applications, and more.
