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Texas Instruments RI-TRP-M9WK-00
- Part No.:
- RI-TRP-M9WK-00
- Manufacturer:
- Texas Instruments
- Category:
- RFID Transponders, Tags
- Package:
- Datasheet:
-
RI-TRP-M9WK-00.pdf
- Description:
- RFID TAG R/W 134.2KHZ ENCAP
- Quantity:
- Payment:
- Shipping:
Inventory:4,862
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Product details
Overview
RI-TRP-M9WK-00 from Texas Instruments is a 12-mm plastic wedge-shaped low-frequency RFID transponder operating at 125 kHz, featuring 248-bit non-volatile memory organized across 8 pages (1–3, 8–12), password-protected selective addressing, and FSK-modulated read response. It delivers secure identification in proximity-based access control systems, electronic locks, and asset tagging near metal surfaces.
For engineers reviewing the RI-TRP-M9WK-00 datasheet, RI-TRP-M9WK-00 pinout, RI-TRP-M9WK-00 application, or RI-TRP-M9WK-00 equivalent, key selection considerations include its 125 kHz resonant frequency, 248-bit memory architecture with page-specific lock bits, PWM write protocol compatibility, and operational suitability for metal-proximate environments without external power.
Technical Context
The RI-TRP-M9WK-00 implements an analog front-end (AFE) core with passive coupling, powered solely by the reader's magnetic field. Its memory is partitioned into Page 1 (8-bit password + lock bit), Page 2 (8-bit user data + lock bit), Page 3 (24-bit serial number + 8-bit manufacturer code, factory-programmed and locked), and Pages 8–12 (40-bit user data each, with individual lock bits).
Communication uses Pulse Width Modulation (PWM) for write/program commands and Frequency Shift Keying (FSK) for read responses. The transponder incorporates a CRC-CCITT generator (16-bit BCC, initial value 0x3791) for data integrity during both transmission and reception, and supports three addressing modes: General Read, Selective Addressing (password-verified), and Special Addressing (Pages 11–12 only).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 125 kHz resonant frequency - enables reliable inductive coupling with standard LF reader antennas and metal-tolerant operation. |
| Total Memory | 248-bit non-volatile EEPROM - structured as 8 addressable pages supporting secure, field-programmable data storage. |
| Page 1 Function | 8-bit programmable password + lock bit - enables selective addressing; password ≠ 0xFF activates protection for Write/Lock commands. |
| Page 3 Content | 24-bit unique serial number + 8-bit TI-assigned manufacturer code - factory-programmed, permanently locked, ensures device traceability. |
| Pages 8–12 | 40-bit user memory per page with individual lock bits - supports up to 100,000 write cycles; locking is irreversible and prevents reprogramming. |
| Data Modulation | PWM for write/program; FSK for read - defines physical layer compatibility with TI TMS3705A-based readers and MicroReader platforms. |
| CRC Algorithm | CRC-CCITT (16-bit BCC, init = 0x3791) - ensures end-to-end data integrity for all command and response sequences. |
Pinout & Package
RI-TRP-M9WK-00 is a fully encapsulated, passive RFID transponder in a 12-mm plastic wedge package (IC mold compound housing). It contains no external terminals or pins - energy and data are coupled wirelessly via integrated coil antenna. No electrical pinout applies.
Key Features
| Feature | Design Value |
|---|---|
| Password-Protected Selective Addressing | Enables secure, multi-device systems where only transponders with matching 8-bit password respond to Write/Lock commands. |
| Factory-Locked Unique ID (Page 3) | Guarantees unalterable 32-bit identity (24-bit serial + 8-bit Mfr Code) for authentication and anti-cloning in OEM deployments. |
| Special Addressing Mode | Allows dedicated access to Pages 11 and 12 - critical for status reporting (Page 11 General Read returns status only) and LSB-only retrieval (Page 12). |
| Irreversible Page Locking | Per-page lock bits prevent unauthorized reprogramming after deployment - essential for tamper-resistant configuration storage. |
| Metal-Proximate Operation | Wedge geometry and tuned 125 kHz resonance maintain coupling efficiency and read range even when mounted on or near metallic surfaces. |
Applications
| Access Control Systems | Electronic Door Locks |
|---|---|
Use Scenario: Secure entry credential for office buildings or restricted zones using handheld or wall-mounted LF readers. IC Role / Device Role / Timing Role: Passive transponder providing authenticated identity and optional user-configurable access flags stored in Pages 2 and 8–10. Use Value: Eliminates battery dependency and enables robust operation in metal-framed doors where UHF tags fail. |
Use Scenario: Embedded in key fobs or cards used to unlock electromechanical door strikes in residential or commercial settings. IC Role / Device Role / Timing Role: Identity token delivering factory-locked serial number (Page 3) and user-programmed access level (Page 2) upon reader interrogation. Use Value: Prevents cloning via password-protected programming and irreversible lock bits on critical configuration pages. |
| Industrial Asset Tagging | Tool & Equipment Tracking |
Use Scenario: Permanent attachment to metal machinery, tools, or containers in manufacturing plants for maintenance logging and location tracking. IC Role / Device Role / Timing Role: Ruggedized transponder storing asset ID (Page 3), calibration date (Page 8), and service history (Pages 9–10) with write-cycle endurance up to 100,000 cycles. Use Value: Sustains reliable read/write performance directly on conductive surfaces without shielding or spacing adjustments. |
Use Scenario: Integrated into high-value hand tools or test equipment to log usage, ownership, and calibration status across shared workspaces. IC Role / Device Role / Timing Role: Secure data carrier using Page 11 for real-time status (e.g., "in-use" flag) and Page 12 for LSB timestamp - accessible only via Special Addressing. Use Value: Enables deterministic status reporting without exposing full memory content during routine General Reads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar passive LF RFID transponder applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RI-TRP-W3-00 | Same 125 kHz frequency and wedge package, but 128-bit memory (Pages 1–3 only); no Pages 8–12 or Special Addressing mode. | Limited to basic ID + password use; unsuitable for multi-field data logging or status reporting. | Select when only serial number, password, and one user byte are required - lower cost, simpler memory management. |
| RI-TRP-M9WA-00 | Identical memory map and command set, but packaged in adhesive-backed label format instead of wedge; same 125 kHz resonance and PWM/FSK protocols. | Better suited for flat-surface mounting (e.g., PCBs, plastic housings); less mechanically robust than wedge for high-impact environments. | Select for surface-mount integration where mechanical durability is secondary to form-factor flexibility. |
Compared with RI-TRP-W3-00 and RI-TRP-M9WA-00, the RI-TRP-M9WK-00 uniquely combines wedge-mount ruggedness, full 248-bit memory with Special Addressing, and metal-proximate reliability - making it the only option among the three for applications requiring both physical resilience and advanced data segmentation.
Availability
RI-TRP-M9WK-00 is available at Aetrix Electronics and suitable for access control systems, electronic door locks, and industrial asset tagging requiring stable component supply, long-term lifecycle support, and consistent RF performance across production batches.
Supply support for RI-TRP-M9WK-00 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 company specializing in analog, embedded processing, and connectivity technologies, with decades of leadership in RFID system components and reader ICs.
The RI-TRP-M9WK-00 belongs to TI's Low Frequency RFID transponder product line, designed specifically for secure, battery-free identification in harsh or metal-rich environments such as access control, industrial automation, and equipment tracking.
FAQ
What is the operating frequency and resonant tolerance of the RI-TRP-M9WK-00?
The RI-TRP-M9WK-00 operates at a nominal resonant frequency of 125 kHz with a typical bandwidth supporting standard LF reader interoperability. Its Q factor and resonance characteristics are optimized for reliable coupling with TI TMS3705A-based readers and MicroReader platforms, especially in metal-proximate configurations. Measured resonance frequency and –3 dB bandwidth are documented in Section 5.1 of the SCBU043 reference guide.
How is memory organized in the RI-TRP-M9WK-00, and which pages are factory-programmed?
The RI-TRP-M9WK-00 contains 248-bit EEPROM organized across eight pages: Pages 1–3 and 8–12. Page 3 (24-bit serial number + 8-bit manufacturer code) is factory-programmed and permanently locked by Texas Instruments - it cannot be altered or erased. Pages 1 and 2 are user-programmable with lock bits; Pages 8–12 offer 40-bit user memory each with individual irreversible lock capability.
Does the RI-TRP-M9WK-00 require an external power source or battery?
No, the RI-TRP-M9WK-00 is a fully passive transponder. It derives all operating power from the magnetic field generated by the reader's antenna during the charge-up phase. Its analog front-end (AFE) rectifies and regulates this induced energy to power internal logic and memory operations - no onboard battery or external power connection is needed.
What communication protocols does the RI-TRP-M9WK-00 support, and how is data integrity ensured?
The RI-TRP-M9WK-00 uses Pulse Width Modulation (PWM) for write/program commands and Frequency Shift Keying (FSK) for read responses. Data integrity is enforced via a hardware CRC-CCITT generator producing a 16-bit Block Check Character (BCC) with initial value 0x3791 - applied to all transmitted and received command/data frames as specified in Section 3.1.2 of the SCBU043 reference guide.
Can the RI-TRP-M9WK-00 be used in environments with significant metal presence?
Yes, the RI-TRP-M9WK-00 is explicitly engineered for metal-proximate operation. Its 12-mm wedge geometry, coil design, and 125 kHz resonance minimize eddy current losses and maintain coupling efficiency when mounted directly on or adjacent to metallic surfaces - a key differentiator validated in TI's measurement setups (Section 5) and cited in the product description as a primary design requirement.
RI-TRP-M9WK-00 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Style:
- Encapsulated
- Technology:
- Passive
- Frequency:
- 134.2kHz
- Memory Type:
- Read/Write
- Writable Memory:
- 248b (User)
- Standards:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Size / Dimension:
- 0.472" L x 0.236" W (12.00mm x 6.00mm)
RI-TRP-M9WK-00 FAQ
1.How can I place an order for RI-TRP-M9WK-00 through Aetrix?
Please submit a Request for Quotation (RFQ) for RI-TRP-M9WK-00 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 RI-TRP-M9WK-00 reliable?
The price and inventory of RI-TRP-M9WK-00 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RI-TRP-M9WK-00 is usually 5 days.
3.What payment methods are accepted for RI-TRP-M9WK-00?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RI-TRP-M9WK-00 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RI-TRP-M9WK-00?
RI-TRP-M9WK-00 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RI-TRP-M9WK-00 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 RI-TRP-M9WK-00?
For technical support, including RI-TRP-M9WK-00 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RI-TRP-M9WK-00 requirements.
6.How does Aetrix verify that RI-TRP-M9WK-00 is sourced from the original manufacturer or authorized distributors?
All RI-TRP-M9WK-00 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 RI-TRP-M9WK-00 meets industry standards.
7.What is the process for return or replacement of RI-TRP-M9WK-00?
All RI-TRP-M9WK-00 units undergo pre-shipment inspection (PSI). If there is an issue with RI-TRP-M9WK-00, 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 RI-TRP-M9WK-00 part is unused and in its original packaging.
Return procedure for RI-TRP-M9WK-00:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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