Texas Instruments TMS5703134DZWTQQ1
- Part No.:
- TMS5703134DZWTQQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 337-LFBGA
- Datasheet:
-
TMS5703134DZWTQQ1.pdf
- Description:
- IC MCU 16/32B 3MB FLASH 337NFBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
TMS5703134DZWTQQ1 from Texas Instruments is a safety-certified 32-bit ARM Cortex-R4F microcontroller for automotive ASIL-D and IEC 61508 SIL-3 applications, featuring dual lockstep CPUs, 3MB flash with ECC, 256KB RAM with ECC, and real-time peripherals including two N2HET modules (32+18 channels), three DCAN controllers, and dual 12-bit MibADCs (24-channel total). It operates at up to 180 MHz with 1.2 V core supply and supports braking systems and electric power steering.
For engineers reviewing the TMS5703134DZWTQQ1 datasheet, TMS5703134DZWTQQ1 pinout, TMS5703134DZWTQQ1 application, or TMS5703134DZWTQQ1 equivalent, key selection criteria include ASIL-D compliance, integrated BIST and error signaling, FMPLL clocking with slip detection, N2HET timing precision for actuator control, and 337-ball NFBGA (ZWT) package compatibility with industrial temperature range (–40°C to 125°C).
Technical Context
The TMS5703134DZWTQQ1 implements dual ARM Cortex-R4F CPUs in lockstep with hardware BIST, ECC on flash and SRAM, parity on peripheral memories, and loopback-capable I/O for fault containment. Its safety architecture includes an Error Signaling Module (ESM) that drives an external ERROR pin upon detected faults.
Real-time control is enabled by two Next Generation High-End Timer (N2HET) coprocessors-N2HET1 with 32 programmable channels and N2HET2 with 18-each paired with a dedicated HTU and MPU for DMA-like transfers and memory protection. The device integrates three DCAN 2.0B controllers (up to 1 Mbps), two 12-bit MibADCs with 64-word parity-protected buffers, and a 16-bit EMIF for SDRAM expansion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F, 180 MHz max, 298 DMIPS, FPU with single/double precision |
| Flash Memory | 3 MB with ECC, 64-bit bus, 3.3 V I/O supply, supports pipeline mode at 180 MHz |
| RAM | 256 KB SRAM with ECC, single-cycle access in byte/word/double-word modes |
| N2HET Modules | N2HET1: 32 channels; N2HET2: 18 channels; each with HTU, MPU, and hardware angle generator |
| ADC | Dual 12-bit MibADC: ADC1 (24 channels), ADC2 (16 shared), 64-word parity-protected buffer per module |
| Communication | 3× DCAN (CAN 2.0B, up to 1 Mbps), 3× MibSPI, 2× SPI, 1× LIN (v2.1), 1× SCI, 1× I2C (100/400 kbps) |
| Safety Features | Dual lockstep CPUs, CPU/RAM BIST, ECC on flash & RAM, parity on peripheral RAMs, ESM with ERROR pin |
Pinout & Package
Package: 337-ball NFBGA (ZWT), 16.0 mm × 16.0 mm, green RoHS-compliant, thermal resistance ΨJT = 0.9°C/W (JEDEC JESD51-14).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Core Power Supply | 1.2 V nominal supply for CPU and internal logic; requires tight regulation (±3%) for lockstep operation |
| VCCIO | I/O Power Supply | 3.3 V nominal supply for all digital I/O banks; supports 3.0–3.6 V range per spec |
| VCCAD | ADC Reference Supply | 3.0–5.25 V analog supply; enables full 12-bit resolution across extended voltage range |
| nERROR | Fault Indicator Output | Open-drain active-low signal asserted by ESM on CPU, memory, or peripheral error detection |
| N2HET1[31:0] | Programmable Timing I/O | 32 dedicated pins for PWM generation, capture, compare, or GPIO; configurable via micromachine code |
| DCAN1_TX / DCAN1_RX | CAN Bus Interface | Differential CAN 2.0B physical layer interface; requires external transceiver for bus connection |
| AD1IN[23:0] | Analog Input Multiplexer | 24-channel analog input bank for MibADC1; supports simultaneous sampling with software-triggered sequencing |
Key Features
| Feature | Design Value |
|---|---|
| Dual Lockstep CPUs | Hardware-enforced instruction-level redundancy ensures continuous fault detection for ASIL-D compliance |
| ECC Memory Protection | Single-bit correction and double-bit detection on 3 MB flash and 256 KB RAM prevent silent data corruption |
| N2HET Timing Precision | Sub-microsecond timing resolution with hardware angle generation enables deterministic motor control loops |
| EMIF Expansion Support | 16-bit external memory interface allows direct connection to SDRAM, FPGA, or asynchronous peripherals |
| Debug & Trace Capability | ETM-R4 instruction trace, RTP for RAM/peripheral access monitoring, and DMM for dynamic parameter injection |
Applications
| Braking Systems | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time monitoring of wheel speed sensors and hydraulic pressure feedback in ABS and ESC modules. IC Role / Device Role / Timing Role: Primary safety controller executing ISO 26262-compliant brake actuation logic with lockstep CPU validation. Use Value: Dual-core lockstep and ECC memory ensure zero latent fault accumulation during critical deceleration events. | Use Scenario: Closed-loop torque control of brushless DC motors using position feedback from resolver or Hall sensors. IC Role / Device Role / Timing Role: Real-time motor control unit coordinating N2HET-driven PWM outputs and ADC-sampled current/voltage loops. Use Value: N2HET1's 32-channel programmability delivers synchronized gate drive signals with <1 µs jitter for field-oriented control. |
| Battery Management Systems | Railway Communications |
Use Scenario: Cell voltage, temperature, and current monitoring in high-voltage traction battery packs for EVs/HEVs. IC Role / Device Role / Timing Role: Safety-critical supervisor managing isolation, balancing, and fault reporting via CAN FD-compatible DCAN interfaces. Use Value: Three DCAN controllers support redundant communication paths and diagnostic messaging at up to 1 Mbps in noisy environments. | Use Scenario: Interlocking and signaling control in EN 5012x-certified railway subsystems requiring SIL-3 integrity. IC Role / Device Role / Timing Role: Deterministic real-time controller executing CENELEC-compliant safety logic with built-in BIST and ESM monitoring. Use Value: On-chip BIST and ESM with external ERROR pin enable immediate fail-safe shutdown without external watchdog supervision. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS570LS2134ZWT | 2 MB flash (vs. 3 MB), same 256 KB ECC RAM, identical N2HET/ADC/CAN peripheral set | Lower program memory capacity limits complex AUTOSAR stack deployment | Select when application firmware size fits within 2 MB and cost optimization is prioritized |
| SPC574S80E5 | Power Architecture e200z4, 200 MHz, 2 MB flash, 384 KB RAM, ASIL-D certified, different toolchain and peripheral IP | Requires migration from ARM ecosystem; lacks N2HET but offers eTPU for timing | Choose for legacy Power Architecture integration or where eTPU timing features better match control topology |
Compared with TMS5703134DZWTQQ1, TMS570LS2134ZWT reduces flash capacity while retaining identical safety architecture and real-time peripherals, whereas SPC574S80E5 offers alternate ISA and timing IP but demands full software re-architecture and toolchain transition.
Availability
TMS5703134DZWTQQ1 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 TMS5703134DZWTQQ1 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 over 90 years of innovation in automotive and industrial electronics.
The TMS570 Hercules™ family was designed specifically for functional safety-critical applications in automotive, aerospace, and rail, delivering ASIL-D/SIL-3 compliance through hardware redundancy, memory protection, and diagnostic coverage.
FAQ
What safety certifications does the TMS5703134DZWTQQ1 support?
The TMS5703134DZWTQQ1 is qualified for ASIL-D per ISO 26262 and SIL-3 per IEC 61508. Certification evidence includes dual lockstep CPU execution, on-chip BIST for CPU and RAM, ECC on flash and SRAM, parity on peripheral memories, and ESM-driven ERROR pin assertion. These features are implemented in silicon and validated in TI's functional safety documentation kit for TMS5703134DZWTQQ1.
Does the TMS5703134DZWTQQ1 support CAN FD?
No, the TMS5703134DZWTQQ1 integrates three DCAN controllers compliant only with CAN 2.0A/B protocols, supporting bit rates up to 1 Mbps. It does not implement CAN FD frame format, arbitration phase extension, or variable data rate capability. For CAN FD requirements, designers must select newer Hercules devices such as TMS570LS1227 or migrate to TI's TCAN4550 transceiver + MCU solutions.
What is the maximum operating frequency of the TMS5703134DZWTQQ1?
The TMS5703134DZWTQQ1 operates at a maximum system clock frequency of 180 MHz, achieved via its Frequency-Modulated Phase-Locked Loop (FMPLL). This enables up to 298 DMIPS performance from the ARM Cortex-R4F core. The FMPLL includes a built-in slip detector to ensure clock stability under transient conditions, a requirement for ASIL-D runtime monitoring.
How many ADC channels does the TMS5703134DZWTQQ1 support?
The TMS5703134DZWTQQ1 integrates two 12-bit MibADC modules: ADC1 supports 24 dedicated input channels (AD1IN[23:0]), and ADC2 supports 16 channels shared with ADC1. Each module has 64-word parity-protected result buffers and supports software-configured conversion sequences, including continuous and triggered modes.
Is the TMS5703134DZWTQQ1 pin-compatible with other TMS570LS31x4 variants?
Yes, the TMS5703134DZWTQQ1 in the ZWT package is pin-compatible with TMS570LS2134ZWT and TMS570LS2124ZWT. All share identical 337-ball NFBGA mechanical layout, ball mapping, and I/O function assignment per TI's Device Information table. Differences are limited to internal flash/RAM capacity and are transparent at the PCB level.
TMS5703134DZWTQQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 337-LFBGA
- Series:
- Hercules™ TMS570 ARM® Cortex®-R
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4F
- Core Size:
- 16/32-Bit
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, MibSPI, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 120
- Program Memory Size:
- 3MB (3M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 256K 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:
TMS5703134DZWTQQ1 FAQ
1.How can I place an order for TMS5703134DZWTQQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5703134DZWTQQ1 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 TMS5703134DZWTQQ1 reliable?
The price and inventory of TMS5703134DZWTQQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5703134DZWTQQ1 is usually 5 days.
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TMS5703134DZWTQQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5703134DZWTQQ1 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 TMS5703134DZWTQQ1?
For technical support, including TMS5703134DZWTQQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5703134DZWTQQ1 requirements.
6.How does Aetrix verify that TMS5703134DZWTQQ1 is sourced from the original manufacturer or authorized distributors?
All TMS5703134DZWTQQ1 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 TMS5703134DZWTQQ1 meets industry standards.
7.What is the process for return or replacement of TMS5703134DZWTQQ1?
All TMS5703134DZWTQQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TMS5703134DZWTQQ1, 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 TMS5703134DZWTQQ1 part is unused and in its original packaging.
Return procedure for TMS5703134DZWTQQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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