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Texas Instruments TRF7963ARHBR
- Part No.:
- TRF7963ARHBR
- Manufacturer:
- Texas Instruments
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
TRF7963ARHBR.pdf
- Description:
- IC RFID READER 13.56MHZ 32VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,597
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Product details
Overview
TRF7963ARHBR from Texas Instruments is a fully integrated 13.56-MHz RFID reader/writer IC supporting ISO/IEC 14443A, ISO/IEC 14443B, NFC Forum Types 1–4, and FeliCa protocols. It delivers +20 dBm or +23 dBm RF output power, operates from 2.7 V to 5.5 V input, and features dual-receiver architecture with RSSI for robust near-field communication in access control systems.
For engineers reviewing the TRF7963ARHBR datasheet, TRF7963ARHBR pinout, TRF7963ARHBR application, or TRF7963ARHBR equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, confirmed alternative parts with functional differences, and supply-chain support details specific to industrial and secure embedded RFID implementations.
Technical Context
The TRF7963ARHBR integrates analog front-end (AFE), protocol framing, and digital control logic into a single die. Its dual-input receiver architecture enables simultaneous signal capture on RX_IN1 and RX_IN2, with automatic and manual gain control plus RSSI reporting for ambient noise rejection and read-hole mitigation.
It supports data rates up to 848 kbps across all compliant standards using on-chip encoders/decoders and a 12-byte FIFO. Direct Mode 0 allows full AFE control and raw subcarrier access, while Direct Mode 2 enables hardware-accelerated NFC tag type 2/3/4 decoding without MCU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz carrier, crystal-controlled via OSC_IN/OSC_OUT pins - ensures precise ISO/NFC timing compliance. |
| RF Output Power | +20 dBm (100 mW) or +23 dBm (200 mW) into 50 Ω - selectable via register control for range vs. EMI trade-offs. |
| Supply Voltage Range | 2.7 V to 5.5 V at VIN - supports battery-powered and USB-supplied readers without external regulators. |
| Interface Options | SPI or 8-bit parallel - flexible MCU integration; MISO/MOSI/I/O_0–I/O_7 pins configurable per mode. |
| Power Consumption | <0.5 µA in Power Down Mode 1 - enables multi-year battery life in portable access devices. |
| Regulated Outputs | VDD_X (up to 20 mA @ 3.4 V) and VDD_A (3.4 V) - powers external MCU and analog circuitry from single input. |
| Receiver Sensitivity | 1.4 mVpp at 424 kHz subcarrier - enables reliable reading of low-power NFC tags at >5 cm distance. |
Pinout & Package
TRF7963ARHBR uses a 32-pin VQFN package (RHB), 5 mm × 5 mm, with exposed thermal pad connected to ground for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 2) | Main power input | Supplies all internal regulators; must be highest voltage rail (2.7–5.5 V); bypass capacitor required. |
| VDD_X (Pin 32) | Digital supply output | Provides regulated 3.4 V / 20 mA to MCU and peripherals - eliminates need for external LDO in compact designs. |
| TX_OUT (Pin 5) | RF transmitter output | Delivers programmable +20/+23 dBm; requires matching network to 50-Ω antenna interface. |
| RX_IN1 / RX_IN2 (Pins 8, 9) | Dual receive inputs | Enable spatial diversity reception; RSSI values reported separately for interference detection and signal optimization. |
| I/O_0–I/O_7 (Pins 17–24) | Parallel data bus or SPI signals | Configurable as 8-bit parallel I/O or SPI (MOSI/MISO/SS); level-shifted by VDD_I/O (Pin 16). |
| EN / EN2 (Pins 28, 25) | Power mode control | EN = chip enable; EN2 selects between deep sleep (<0.5 µA) and wake-ready mode (200 µA with VDD_X active). |
| IRQ (Pin 13) | Interrupt request output | Active-low signal alerts MCU of frame completion, error, or RSSI threshold crossing - reduces polling overhead. |
Key Features
| Feature | Design Value |
|---|---|
| Fully integrated ISO/NFC protocol handling | Eliminates need for external FPGA or firmware-intensive MCU processing - reduces BOM and development time for Type 1–4 NFC readers. |
| Dual-receiver architecture with RSSI | Enables real-time ambient noise detection and dynamic gain adjustment - prevents missed reads in multi-reader environments. |
| Programmable modulation depth & ASK/OOK selection | Allows optimization for different tag types (e.g., MIFARE Classic vs. NTAG216) without hardware change. |
| Integrated 3.4-V/20-mA VDD_X regulator | Powers external microcontrollers (e.g., MSP430, ARM Cortex-M0+) directly - simplifies power tree and saves board space. |
| Direct Mode 0 for raw AFE access | Permits custom waveform generation and proprietary protocol implementation - extends use beyond standard NFC/RFID. |
Applications
| Secure Access Control | Digital Door Locks |
|---|---|
Use Scenario: Contactless credential verification at office building entry points with tamper-resistant enclosure and low-power operation. IC Role / Device Role / Timing Role: Primary RFID reader IC handling ISO14443A/B and NFC Forum Type 2/4 tag interrogation, frame encoding/decoding, and RSSI-based anti-collision. Use Value: Dual-receiver architecture ensures reliable reads despite metal door frames; ultra-low-power modes extend battery life to 3+ years. |
Use Scenario: Battery-powered smart lock with mobile pairing, audit logging, and offline credential storage. IC Role / Device Role / Timing Role: Core transceiver managing bidirectional NFC communication with smartphones and physical cards; handles 106–848 kbps data rates per standard. Use Value: Integrated VDD_X regulator powers the host MCU; programmable output power enables optimal range vs. EMI compliance in compact housing. |
| Medical Systems | Transport Ticketing |
Use Scenario: Patient wristband authentication at bedside terminals for medication dispensing and EHR access. IC Role / Device Role / Timing Role: Reader IC implementing ISO14443A for MIFARE DESFire EV2 cards and NFC Forum Type 4 for secure element handshakes. Use Value: Temperature range (–25°C to +85°C) supports clinical environments; RSSI monitoring detects nearby EM interference from imaging equipment. |
Use Scenario: Handheld validator used by transit staff for fare inspection on buses and trains. IC Role / Device Role / Timing Role: High-speed 848 kbps reader supporting FeliCa and ISO14443B for rapid tap-and-go validation of contactless smartcards. Use Value: Programmable system clock (RF/2, RF/4) synchronizes with legacy infrastructure; low standby current (<3.5 mA) enables all-day operation on Li-ion battery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RFID reader applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TRF7964ARHBR | Successor device with enhanced ESD rating (±4 kV HBM), improved receiver sensitivity (1.1 mVpp), and extended temperature range (–40°C to +85°C). | Required for new designs targeting automotive-grade reliability or harsh industrial environments. | Preferred for new designs where long-term availability and higher noise immunity are critical; not pin-compatible due to register map changes. |
| PN5180AUHN | NXP NFC controller with integrated antenna driver; supports same ISO/NFC protocols but lacks FeliCa and has lower max output (+18 dBm). | Better suited for smartphone peripheral accessories and consumer IoT where cost and footprint are prioritized over FeliCa compatibility. | Consider when migrating to NXP ecosystem or requiring certified NFC Forum Controller certification; requires PCB redesign due to different pinout and power architecture. |
Compared with TRF7963ARHBR, TRF7964ARHBR offers measurable improvements in ESD robustness and sensitivity but requires firmware adaptation, while PN5180AUHN trades FeliCa support and output power for tighter integration and NFC Forum certification - making each suitable for distinct design priorities.
Availability
TRF7963ARHBR is available at Aetrix Electronics and suitable for secure access control, digital door locks, and transport ticketing systems requiring stable component supply, long-lifecycle support, and traceable sourcing for industrial deployment.
Supply support for TRF7963ARHBR 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
Texas Instruments is a global semiconductor leader focused on analog and embedded processing technologies, with decades of expertise in wireless connectivity and industrial-grade IC design.
The TRF7963ARHBR belongs to TI's TRF79xx RFID transceiver family, engineered specifically for high-reliability, multi-protocol 13.56-MHz reader systems in security, healthcare, and transportation applications.
FAQ
What communication interfaces does the TRF7963ARHBR support?
The TRF7963ARHBR supports both SPI and 8-bit parallel interfaces. Pins I/O_0–I/O_7 serve as bidirectional data lines in parallel mode or as MOSI/MISO/SS in SPI mode, with DATA_CLK and SYS_CLK providing timing synchronization. Interface selection is controlled via configuration registers and hardware pin states.
Does the TRF7963ARHBR include an integrated voltage regulator?
Yes, the TRF7963ARHBR integrates three regulators: VDD_A (analog, 3.4 V), VDD_RF (RF amplifier, 4.3–5 V or 2.7–3.4 V), and VDD_X (digital/external, 3.4 V, up to 20 mA). VDD_X can directly power an external MCU, reducing system-level component count and board area.
What is the maximum data rate supported by the TRF7963ARHBR?
The TRF7963ARHBR supports data rates up to 848 kbps for all compliant protocols including ISO/IEC 14443A/B, NFC Forum Types 1–4, and FeliCa. This is achieved using on-chip framing logic and a 12-byte FIFO, eliminating the need for real-time MCU processing at high speeds.
How does the dual-receiver architecture improve performance in the TRF7963ARHBR?
The TRF7963ARHBR's dual-receiver architecture uses RX_IN1 and RX_IN2 to capture signals simultaneously, enabling spatial diversity and real-time comparison of RSSI levels. This mitigates "read holes" caused by antenna nulls and detects adjacent-reader interference or ambient in-band noise - improving first-read success rate in dense RFID environments.
Can the TRF7963ARHBR operate with a 3.3-V supply?
Yes, the TRF7963ARHBR supports 3-V system configuration via register 0x00 Bit 0. In 3-V mode, internal regulators (VDD_RF, VDD_A, VDD_X) are set to 2.7–3.4 V ranges, and VDD_I/O accepts 1.8–3.3 V logic levels - enabling direct interfacing with 3.3-V MCUs without level shifters.
TRF7963ARHBR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- RFID Reader
- Frequency:
- 13.56MHz
- Standards:
- ISO 14443
- Interface:
- SPI
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- -25°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-VQFN (5x5)
TRF7963ARHBR FAQ
1.How can I place an order for TRF7963ARHBR through Aetrix?
Please submit a Request for Quotation (RFQ) for TRF7963ARHBR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TRF7963ARHBR reliable?
The price and inventory of TRF7963ARHBR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TRF7963ARHBR is usually 5 days.
3.What payment methods are accepted for TRF7963ARHBR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TRF7963ARHBR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TRF7963ARHBR?
TRF7963ARHBR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TRF7963ARHBR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TRF7963ARHBR?
For technical support, including TRF7963ARHBR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TRF7963ARHBR requirements.
6.How does Aetrix verify that TRF7963ARHBR is sourced from the original manufacturer or authorized distributors?
All TRF7963ARHBR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TRF7963ARHBR meets industry standards.
7.What is the process for return or replacement of TRF7963ARHBR?
All TRF7963ARHBR units undergo pre-shipment inspection (PSI). If there is an issue with TRF7963ARHBR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TRF7963ARHBR part is unused and in its original packaging.
Return procedure for TRF7963ARHBR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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