My Inquiry
My Account
Texas Instruments TMS5703137BZWTQQ1
- Part No.:
- TMS5703137BZWTQQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 337-LFBGA
- Datasheet:
-
TMS5703137BZWTQQ1.pdf
- Description:
- IC MCU 16/32B 3MB FLASH 337NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,475
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TMS5703137BZWTQQ1 from Texas Instruments is an automotive-grade 32-bit RISC flash microcontroller with dual lockstep ARM Cortex-R4F CPUs, 3 MB ECC-protected flash, 256 KB ECC-protected RAM, and integrated safety features including BIST, voltage/clock monitoring, and error signaling for ASIL-D compliance. It delivers 298 DMIPS at 180 MHz and supports real-time control in braking systems, electric power steering, and battery management.
For engineers reviewing the TMS5703137BZWTQQ1 datasheet, TMS5703137BZWTQQ1 pinout, TMS5703137BZWTQQ1 application, or TMS5703137BZWTQQ1 equivalent, key selection considerations include its 337-ball NFBGA (ZWT) package, dual N2HET timing coprocessors, triple DCAN controllers, 10/100 Mbps EMAC, and FlexRay dual-channel interface - all validated for functional safety-critical automotive designs.
Technical Context
The TMS5703137BZWTQQ1 implements a dual-CPU lockstep architecture with hardware-level fault detection, where both cores execute identical instructions and compare results in real time. Its FMPLL clock system provides two independent frequency-modulated PLLs feeding the Global Clock Module, enabling precise domain-specific clocking for CPU, peripherals, and safety monitors.
Memory subsystem integrity is enforced via ECC on 3 MB flash and 256 KB SRAM, parity protection on 64 KB emulated EEPROM, 8 KB FlexRay message RAM, and all MibADC buffer RAMs. Peripheral safety includes loopback-capable I/O, dedicated MPUs for DMA, HTU, FTU, and ESM-triggered external ERROR pin assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F dual-core lockstep, 180 MHz max, 298 DMIPS - enables real-time deterministic execution with hardware fault containment. |
| Flash Memory | 3 MB with ECC - supports robust firmware storage and in-field updates without corruption risk in harsh automotive environments. |
| RAM | 256 KB SRAM with ECC - ensures data integrity for safety-critical variables and runtime buffers under radiation or voltage stress. |
| ADC | Two 12-bit MibADCs: ADC1 with 24 channels, ADC2 with 16 shared channels, 64-word parity-protected buffers - meets high-resolution sensor acquisition needs in EPS and BMS. |
| Communication | Three DCAN (CAN 2.0B), dual-channel FlexRay, 10/100 EMAC (MII/RMII/MDIO), LIN, I2C, three MibSPI, two SPI, SCI - provides redundant, noise-immune networking for distributed vehicle control. |
| Safety Features | Dual-CPU lockstep, BIST for CPU/SRAM, ESM with ERROR pin, voltage/clock monitoring, MPU for DMA/N2HET/FTU - satisfies ISO 26262 ASIL-D requirements out-of-box. |
| Package | NFBGA-337 (ZWT), 16.0 mm × 16.0 mm - optimized for thermal performance and board density in automotive ECUs. |
Pinout & Package
Package: 337-ball NFBGA (ZWT), 0.8 mm pitch, 16.0 mm × 16.0 mm body size, RoHS-compliant green package.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCCAD / VSSAD | Analog supply/ground pair | Separate 3.0–5.25 V analog domain powers ADCs and reference circuitry - isolates noise-sensitive analog paths from digital switching. |
| nERROR | Error signaling output | Active-low open-drain pin asserted by ESM on detected fault - enables immediate system-level fail-safe response without software intervention. |
| FRAY_TX1 / FRAY_RX1 | FlexRay Channel 1 differential pair | Supports 10 Mbps deterministic communication with built-in FTU and dedicated MPU - critical for time-triggered chassis control networks. |
| CAN1_TX / CAN1_RX | DCAN1 differential transceiver interface | Compliant with ISO 11898-1 CAN 2.0B up to 1 Mbps - used for antilock brake module messaging with bus fault tolerance. |
| N2HET1[31:0] | N2HET1 programmable I/O bank | 32-channel high-end timer I/O supporting PWM, capture, compare, and GPIO - drives precision actuators in electric power steering. |
| MII_TXD[3:0] / MII_RXD[3:0] | EMAC 4-bit MII data interface | Enables 10/100 Mbps Ethernet connectivity with full-duplex operation - used in ADAS domain controllers for OTA update and diagnostics. |
Key Features
| Feature | Design Value |
|---|---|
| Dual lockstep Cortex-R4F CPUs | Hardware-enforced instruction-level comparison eliminates undetected silent data corruption - foundational for ASIL-D certification evidence. |
| ECC on 3 MB flash & 256 KB RAM | Single-bit correction and double-bit detection prevents memory-induced failures during extended vehicle lifetime operation. |
| Two N2HET modules (32 + 18 channels) | Offloads complex timing-critical tasks (e.g., motor commutation, valve timing) from main CPU - improves determinism and reduces jitter. |
| Triple DCAN + dual FlexRay + EMAC | Provides multi-protocol redundancy and bandwidth scalability - essential for zonal E/E architectures requiring concurrent safety and infotainment traffic. |
| Built-in BIST for CPU and SRAM | Self-test executes at startup and runtime without halting application - satisfies periodic diagnostic coverage requirements per ISO 26262 Part 5. |
| EMIF with SDRAM support | 16-bit external memory interface enables expansion for logging, vision processing buffers, or secure boot partitioning - extends functional capability beyond on-chip limits. |
Applications
| Braking Systems | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Real-time pressure modulation and wheel-speed-based slip control in ABS and ESC modules. IC Role / Device Role / Timing Role: Primary safety controller executing ISO 26262-compliant brake actuation logic with <100 µs latency guarantees. Use Value: Dual lockstep CPU and ECC memory ensure fault-free execution of time-critical braking algorithms under EMI and thermal stress. |
Use Scenario: Torque assist calculation, motor phase control, and road feel emulation in column-assist and rack-assist EPS systems. IC Role / Device Role / Timing Role: Real-time motor control unit managing FOC algorithms, N2HET-driven PWM generation, and CAN-based driver input feedback. Use Value: 32-channel N2HET1 enables precise 20 kHz three-phase gate drive with sub-microsecond timing resolution and hardware fault shutdown. |
| Battery Management Systems (BMS) | Active Driver Assistance Systems (ADAS) |
|
Use Scenario: Cell voltage/temperature monitoring, SOC/SOH estimation, and contactor control in HEV/EV traction battery packs. IC Role / Device Role / Timing Role: Safety-certified master controller interfacing with isolated ADCs, communicating via DCAN/FlexRay to pack sensors and chargers. Use Value: 24-channel MibADC1 with 12-bit resolution and parity-protected buffers enables simultaneous sampling of 16+ cell voltages with <1 mV accuracy. |
Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic inputs for AEB, LKA, and ACC functions. IC Role / Device Role / Timing Role: Domain controller hosting middleware, executing perception fusion, and routing time-synchronized data over EMAC to central compute. Use Value: 10/100 EMAC with MII interface supports deterministic 100 Mbps Ethernet AVB streams for low-latency camera video transport. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS570LS3137PGE | Same core, memory, and peripheral set but in 144-pin LQFP package - no EMIF, reduced GPIO count (58 vs. 144), lower max frequency (160 MHz vs. 180 MHz). | Suitable for space-constrained but thermally relaxed modules like junction boxes or lighting controllers where external memory expansion is unnecessary. | Select when PCB layout simplicity and reflow compatibility outweigh need for SDRAM expansion or highest clock performance. |
| SPC574K72E5 | STMicroelectronics 32-bit Power Architecture e200z4 dual-core, 2 MB flash, 384 KB RAM, ASIL-D certified - lacks FlexRay and EMAC, adds eTPU and eMIOS timers. | Targeted at powertrain and transmission control where engine timing precision and CAN FD dominate over Ethernet/FlexRay networking. | Choose for legacy Power Architecture ecosystems or applications requiring eTPU-based camshaft/ignition control not supported by N2HET. |
Compared with TMS5703137BZWTQQ1, the TMS570LS3137PGE offers identical safety architecture in a smaller footprint but sacrifices EMIF and peak performance, while the SPC574K72E5 provides comparable ASIL-D assurance with different timer IP and no Ethernet - making each suitable for distinct vehicle domains and legacy toolchain constraints.
Availability
TMS5703137BZWTQQ1 is available at Aetrix Electronics and suitable for automotive braking systems, electric power steering units, battery management systems, and ADAS domain controllers requiring stable component supply across long production lifecycles.
Supply support for TMS5703137BZWTQQ1 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 automotive ICs, with decades of automotive qualification expertise and AEC-Q100-compliant manufacturing.
The TMS570 Hercules™ family was designed specifically for ISO 26262 ASIL-D safety-critical automotive applications, integrating lockstep CPUs, memory ECC, and self-test logic to eliminate single-point failures in braking, steering, and powertrain control.
FAQ
What safety certifications does the TMS5703137BZWTQQ1 support?
The TMS5703137BZWTQQ1 is architected to meet ISO 26262 ASIL-D requirements, with dual lockstep Cortex-R4F CPUs, ECC on flash and RAM, BIST for CPU and memory, voltage/clock monitoring, and ESM-triggered ERROR pin. Texas Instruments provides certified safety manuals, FMEDA reports, and diagnostic software libraries to accelerate ASIL-D system certification - all documented for TMS5703137BZWTQQ1 in the Hercules Safety Manual SPRUHZ6.
Does the TMS5703137BZWTQQ1 support Ethernet communication?
Yes, the TMS5703137BZWTQQ1 integrates a fully compliant 10/100 Mbps Ethernet MAC (EMAC) supporting MII, RMII, and MDIO interfaces. It enables deterministic Ethernet connectivity for ADAS domain controllers and OTA update gateways - confirmed in the SPNS162C datasheet Section 7.11 and validated for IEEE 802.3 operation with 3.3-V I/O.
What is the difference between TMS5703137BZWTQQ1 and TMS570LS3137ZWT?
The TMS5703137BZWTQQ1 is the automotive-qualified, AEC-Q100 Grade 1 (−40°C to 125°C) version of the TMS570LS3137ZWT base part. The "B" suffix denotes enhanced screening, extended temperature range, and automotive-specific qualification testing - making TMS5703137BZWTQQ1 the only variant approved for safety-critical vehicle systems per TI's orderable part matrix.
Can the TMS5703137BZWTQQ1 interface with external SDRAM?
Yes, the TMS5703137BZWTQQ1 includes a 16-bit External Memory Interface (EMIF) supporting synchronous DRAM (SDRAM) devices, as specified in Section 6.14 of the SPNS162C datasheet. This allows expansion of runtime memory for logging, vision buffers, or secure boot partitions - a capability absent in the PGE-package variant.
How many CAN controllers does the TMS5703137BZWTQQ1 include?
The TMS5703137BZWTQQ1 integrates three fully compliant DCAN controllers supporting CAN 2.0B protocol at up to 1 Mbps, each with 64 mailboxes and parity protection - confirmed in Section 1.1 Features and Section 7.6 of the SPNS162C datasheet. These are used for inter-ECU communication in braking, steering, and powertrain networks.
TMS5703137BZWTQQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 337-LFBGA
- Series:
- Hercules™ TMS570 ARM® Cortex®-R
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4F
- Core Size:
- 16/32-Bit
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, FlexRay, 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:
TMS5703137BZWTQQ1 FAQ
1.How can I place an order for TMS5703137BZWTQQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5703137BZWTQQ1 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 TMS5703137BZWTQQ1 reliable?
The price and inventory of TMS5703137BZWTQQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5703137BZWTQQ1 is usually 5 days.
3.What payment methods are accepted for TMS5703137BZWTQQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS5703137BZWTQQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS5703137BZWTQQ1?
TMS5703137BZWTQQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5703137BZWTQQ1 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 TMS5703137BZWTQQ1?
For technical support, including TMS5703137BZWTQQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5703137BZWTQQ1 requirements.
6.How does Aetrix verify that TMS5703137BZWTQQ1 is sourced from the original manufacturer or authorized distributors?
All TMS5703137BZWTQQ1 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 TMS5703137BZWTQQ1 meets industry standards.
7.What is the process for return or replacement of TMS5703137BZWTQQ1?
All TMS5703137BZWTQQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TMS5703137BZWTQQ1, 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 TMS5703137BZWTQQ1 part is unused and in its original packaging.
Return procedure for TMS5703137BZWTQQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TMS5703137BZWTQQ1 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
