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Texas Instruments TMS5702125CZWTQQ1
- Part No.:
- TMS5702125CZWTQQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 337-LFBGA
- Datasheet:
-
TMS5702125CZWTQQ1.pdf
- Description:
- IC MCU 16/32B 2MB FLASH 337NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,477
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Product details
Overview
TMS5702125CZWTQQ1 from Texas Instruments is an automotive-grade 32-bit RISC flash microcontroller with dual lockstep ARM Cortex-R4F CPUs, 2MB ECC-protected flash, 192KB ECC-protected RAM, and integrated safety features including BIST, parity-protected peripherals, and error signaling for ASIL-D systems. It targets brake control, electric power steering, and battery management in harsh environments.
For engineers reviewing the TMS5702125CZWTQQ1 datasheet, TMS5702125CZWTQQ1 pinout, TMS5702125CZWTQQ1 application, or TMS5702125CZWTQQ1 equivalent, key selection criteria include its 180 MHz real-time performance, dual-channel FlexRay + three CAN 2.0B controllers, two 12-bit MibADCs (24-channel total), N2HET timing coprocessors, and AEC-Q100 Grade 1 qualification.
Technical Context
The TMS5702125CZWTQQ1 implements a safety-critical architecture with dual CPUs executing identical instructions in lockstep, monitored by hardware comparators; it includes FMPLL and non-modulating FlexRay PLLs for independent clock domains, and dedicated MPUs for N2HET1/N2HET2, DMA, and EMIF to enforce memory access isolation.
Its peripheral set is optimized for deterministic real-time control: two N2HET modules (32+18 programmable channels) support PWM generation, capture, and GPIO with hardware angle generation; two 12-bit MibADCs share 16 channels and provide 64-word parity-protected buffers per module for sensor acquisition under ASIL-B/C requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F dual-core lockstep, 180 MHz max - enables ASIL-D compliance via hardware redundancy checking |
| Flash Memory | 2 MB with ECC - supports safe firmware storage and over-the-air updates with single-bit correction/double-bit detection |
| RAM | 192 KB SRAM with ECC - provides fault-tolerant data workspace for real-time control algorithms |
| ADC Resolution | 12-bit MibADC ×2, 24 total channels - delivers high-precision analog sensing for motor current, voltage, and temperature |
| FlexRay Interface | 2-channel controller with FTU - enables deterministic, time-triggered communication up to 10 Mbps per channel for chassis networks |
| CAN Controllers | Three DCAN modules compliant with CAN 2.0B - supports 1 Mbps robust networking for distributed vehicle subsystems |
| N2HET Channels | N2HET1: 32 channels; N2HET2: 18 channels - offloads timing-critical I/O tasks (e.g., PWM, capture) from main CPU |
| Operating Temp | –40°C to +125°C - qualified for under-hood automotive applications per AEC-Q100 Grade 1 |
Pinout & Package
Package: 337-ball NFBGA (ZWT), 16.0 mm × 16.0 mm, 0.8 mm ball pitch, green RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCCAD / VSSAD | Analog supply/ground | Separate 3.0–5.25 V domain powers ADCs and reference circuitry, isolating noise-sensitive analog paths |
| FRAY_TX1 / FRAY_RX1 | FlexRay Channel 1 differential pair | High-speed, ESD-protected interface for time-triggered communication with external FlexRay nodes |
| CAN1_TX / CAN1_RX | CAN Controller 1 differential signals | ISO 11898-2 compliant physical layer interface supporting 1 Mbps bus rates in noisy automotive environments |
| AD1IN[0:7] | MibADC1 analog inputs | Dedicated 8-channel input bank for fast sampling of critical sensors (e.g., motor phase currents) |
| N2HET1[0:31] | N2HET1 programmable I/O pins | Configurable as PWM outputs, input captures, or GPIO with hardware timing resolution down to 1 ns |
| nERROR | Error signaling output | Open-drain active-low signal asserted by ESM on detected fault (e.g., CPU mismatch, memory ECC double-bit error) |
| JTAG_TCK / JTAG_TDI | IEEE 1149.1 boundary scan | Enables production test, debug, and secure firmware programming via standard ARM CoreSight infrastructure |
Key Features
| Feature | Design Value |
|---|---|
| Dual-lockstep Cortex-R4F CPUs | Hardware-enforced instruction-level redundancy ensures continuous fault detection for ASIL-D system certification |
| ECC on Flash & RAM | Single-bit correction and double-bit detection eliminate silent data corruption in safety-critical code and data storage |
| Parity-protected peripheral RAM | 8 KB message RAM and 64-word ADC buffers protected by parity prevent undetected memory errors in communication and sensing |
| FlexRay Transfer Unit (FTU) | Autonomous DMA-like transfers between FlexRay buffers and main memory reduce CPU overhead and improve determinism |
| Memory Protection Units (MPUs) | Dedicated MPUs for N2HET, DMA, and EMIF enforce strict memory access boundaries, preventing software faults from compromising safety domains |
| Built-in Self-Test (BIST) | On-chip logic performs CPU core and SRAM structural tests at startup and runtime without external test equipment |
Applications
| Braking Systems | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time monitoring of wheel speed sensors and hydraulic pressure during ABS/ESC actuation cycles. IC Role / Device Role / Timing Role: Primary safety controller executing certified braking algorithms with lockstep CPU verification and error signaling. Use Value: Meets ISO 26262 ASIL-D requirements via dual-core lockstep, ECC memory, and hardware BIST - eliminating single-point failures in critical braking paths. | Use Scenario: Closed-loop torque control of assist motor using current feedback, position sensing, and vehicle speed input. IC Role / Device Role / Timing Role: Real-time motor control unit managing PWM generation (via N2HET), ADC sampling, and CAN-based driver assistance coordination. Use Value: N2HET's 1-ns timing resolution and dual 12-bit MibADCs enable precise 20 kHz motor current regulation with <1 µs jitter tolerance. |
| Battery Management Systems | Railway Communications |
Use Scenario: Cell voltage, temperature, and current monitoring across high-voltage EV battery packs with functional safety compliance. IC Role / Device Role / Timing Role: Safety-certified data acquisition and state estimation engine interfacing to isolated ADCs, CAN bus, and thermal sensors. Use Value: Parity-protected ADC buffers and ECC RAM ensure integrity of SOC/SOH calculations - critical for ISO 26262 ASIL-C battery control functions. | Use Scenario: Interlocking and signaling control in train control systems requiring deterministic communication and fail-safe response. IC Role / Device Role / Timing Role: Safety controller implementing SIL-4 logic with FlexRay for time-triggered network synchronization and DCAN for fallback messaging. Use Value: Dual FlexRay channels provide redundant, synchronized communication with <5 µs jitter - meeting EN 50128 Class 4 timing constraints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS570LS2135ZWT | 2 MB flash, 256 KB ECC RAM - 64 KB more RAM than TMS5702125CZWTQQ1 | Preferred where larger data buffers needed for complex control algorithms or extended diagnostics | Select when additional RAM is required for multi-axis motor control or extended fault logging without external memory |
| SPC574K72E5 | Power Architecture e200z4, 200 MHz, 2 MB flash, 256 KB RAM, ASIL-D certified | Used in European OEM platforms with legacy Power Architecture toolchains and AUTOSAR Classic integration | Choose for compatibility with existing SPC5-based development flows and regional OEM requirements |
Compared with TMS5702125CZWTQQ1, the TMS570LS2135ZWT offers greater RAM headroom for complex control stacks, while the SPC574K72E5 provides architectural continuity for Power Architecture-based AUTOSAR implementations - neither is pin-compatible, but both meet ASIL-D for equivalent safety domains.
Availability
TMS5702125CZWTQQ1 is available at Aetrix Electronics and suitable for braking systems, electric power steering, and battery management systems requiring stable component supply across automotive production lifecycles.
Supply support for TMS5702125CZWTQQ1 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 specializing in analog, embedded processing, and connectivity technologies with deep expertise in automotive safety ICs.
The TMS570 family was designed specifically for ASIL-D automotive safety applications, integrating lockstep CPUs, memory ECC, and hardware self-test to simplify ISO 26262 certification.
FAQ
What safety certifications does the TMS5702125CZWTQQ1 hold?
The TMS5702125CZWTQQ1 is AEC-Q100 Grade 1 qualified and supports ISO 26262 ASIL-D system-level certification through its dual-lockstep Cortex-R4F CPUs, ECC-protected memory, built-in self-test (BIST), and error signaling module. TI provides safety manuals, FMEDA reports, and diagnostic software libraries to accelerate functional safety validation for TMS5702125CZWTQQ1-based designs.
Does the TMS5702125CZWTQQ1 support external memory expansion?
Yes, the TMS5702125CZWTQQ1 includes a 16-bit External Memory Interface (EMIF) supporting synchronous DRAM (SDRAM), asynchronous memories, and FPGA co-processors. The EMIF features dedicated MPU protection and operates across the full industrial temperature range, enabling scalable memory architectures for advanced driver assistance systems using TMS5702125CZWTQQ1.
How many CAN interfaces does the TMS5702125CZWTQQ1 provide?
The TMS5702125CZWTQQ1 integrates three DCAN controllers compliant with CAN 2.0B protocol, each supporting up to 1 Mbps data rates. These controllers operate independently with dedicated message RAM and parity protection, making TMS5702125CZWTQQ1 suitable for multi-bus automotive networks such as powertrain, chassis, and body domains.
What is the role of the N2HET modules in the TMS5702125CZWTQQ1?
The TMS5702125CZWTQQ1 includes two Next Generation High-End Timer (N2HET) modules - N2HET1 with 32 channels and N2HET2 with 18 channels - that function as programmable timing coprocessors. They handle PWM generation, input capture, and GPIO with nanosecond resolution, offloading deterministic timing tasks from the main CPU to ensure real-time responsiveness in TMS5702125CZWTQQ1-based control systems.
Is the TMS5702125CZWTQQ1 pin-compatible with other TMS570 devices?
No, the TMS5702125CZWTQQ1 uses the ZWT 337-ball NFBGA package and is not pin-compatible with PGE-package variants like TMS570LS2125PGE. While it shares the same pinout as other ZWT-packaged TMS570LS21x5/31x5 devices (e.g., TMS570LS2135ZWT), differences in internal memory size and peripheral configuration require PCB layout verification before substitution.
TMS5702125CZWTQQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 337-LFBGA
- Series:
- Hercules™ TMS570 ARM® Cortex®-R
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4F
- Core Size:
- 16/32-Bit
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, FlexRay, I2C, LINbus, MibSPI, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 120
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 3.6V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMS5702125CZWTQQ1 FAQ
1.How can I place an order for TMS5702125CZWTQQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5702125CZWTQQ1 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 TMS5702125CZWTQQ1 reliable?
The price and inventory of TMS5702125CZWTQQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5702125CZWTQQ1 is usually 5 days.
3.What payment methods are accepted for TMS5702125CZWTQQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS5702125CZWTQQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS5702125CZWTQQ1?
TMS5702125CZWTQQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5702125CZWTQQ1 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 TMS5702125CZWTQQ1?
For technical support, including TMS5702125CZWTQQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5702125CZWTQQ1 requirements.
6.How does Aetrix verify that TMS5702125CZWTQQ1 is sourced from the original manufacturer or authorized distributors?
All TMS5702125CZWTQQ1 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 TMS5702125CZWTQQ1 meets industry standards.
7.What is the process for return or replacement of TMS5702125CZWTQQ1?
All TMS5702125CZWTQQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TMS5702125CZWTQQ1, 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 TMS5702125CZWTQQ1 part is unused and in its original packaging.
Return procedure for TMS5702125CZWTQQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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