Texas Instruments TMS5702135DPGEQQ1

Overview

TMS5702135DPGEQQ1 from Texas Instruments is an automotive-grade 32-bit RISC flash microcontroller with dual lockstep ARM Cortex-R4F CPUs, 2MB ECC-protected flash, 256KB ECC-protected RAM, and integrated safety features including BIST, ECC, parity protection, and error signaling for ASIL-D functional safety compliance. It delivers 298 DMIPS at 180 MHz and targets brake control, electric power steering, and battery management systems.

For engineers reviewing the TMS5702135DPGEQQ1 datasheet, TMS5702135DPGEQQ1 pinout, TMS5702135DPGEQQ1 application, or TMS5702135DPGEQQ1 equivalent, key selection criteria include dual-CPU lockstep architecture, 3-channel CAN (DCAN), FlexRay dual-channel support, N2HET timing coprocessors, and 144-pin LQFP packaging with automotive temperature range (-40°C to 125°C).

Technical Context

The TMS5702135DPGEQQ1 implements a safety-critical dual-core lockstep execution model where both Cortex-R4F CPUs execute identical instructions and compare results in real time. Its memory subsystem includes ECC on 2MB flash and 256KB RAM, parity on peripheral memories (MibADC buffers, message RAM), and built-in self-test for CPU and SRAM.

Peripheral architecture integrates two Next Generation High-End Timers (N2HET1 with 32 channels, N2HET2 with 18 channels), three DCAN controllers compliant with CAN 2.0B up to 1 Mbps, a dual-channel FlexRay controller with FTU, and two 12-bit MibADCs with 24 total channels and 64-word parity-protected buffers each.

Key Specifications

Pinout & Package

Package: 144-pin LQFP (PGE), green, 20.0 mm × 20.0 mm body size, 0.5 mm pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar safety microcontroller applications.

Compared with TMS5702135DPGEQQ1, TMS570LS3135PGEQQ1 offers +1MB flash for expanded safety libraries and logging, while SPC574K72E5 trades FlexRay for CAN FD and higher RAM-making the former ideal for flash-constrained FlexRay networks and the latter better suited for CAN FD–based vehicle domains.

Availability

TMS5702135DPGEQQ1 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 TMS5702135DPGEQQ1 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for automotive, industrial, and personal electronics markets.

The TMS570 Hercules™ family is designed specifically for ASIL-D and SIL-3 safety-critical applications, integrating hardware-based fault detection, lockstep processing, and memory protection to meet ISO 26262 and IEC 61508 requirements out-of-the-box.

FAQ

What safety certifications does the TMS5702135DPGEQQ1 support?

The TMS5702135DPGEQQ1 is architected to support ISO 26262 ASIL-D and IEC 61508 SIL-3 certification. It includes dual lockstep CPUs, ECC on flash and RAM, BIST for CPU and memory, parity on peripheral buffers, and an Error Signaling Module (ESM) with dedicated nERROR pin. TI provides safety manuals, FMEDA reports, and diagnostic software libraries to accelerate certification of end systems using the TMS5702135DPGEQQ1.

Does the TMS5702135DPGEQQ1 support FlexRay communication?

Yes, the TMS5702135DPGEQQ1 integrates a dual-channel FlexRay controller compliant with FlexRay v2.1, supporting 10 Mbps per channel. It includes a dedicated FlexRay Transfer Unit (FTU) for autonomous data movement between FlexRay message RAM and main memory, protected by a built-in MPU. The device requires external FlexRay transceivers and supports time-triggered communication essential for brake-by-wire and steer-by-wire applications using the TMS5702135DPGEQQ1.

What is the maximum operating frequency and performance of the TMS5702135DPGEQQ1?

The TMS5702135DPGEQQ1 operates at a maximum system clock frequency of 180 MHz, delivering up to 298 DMIPS (1.66 DMIPS/MHz) with its ARM Cortex-R4F CPU. Its floating-point unit supports both single- and double-precision operations, and the 8-stage pipeline enables efficient real-time control execution. Performance is sustained across the full automotive temperature range (-40°C to 125°C), validated under worst-case voltage and process corners for the TMS5702135DPGEQQ1.

How does the TMS5702135DPGEQQ1 handle analog signal acquisition?

The TMS5702135DPGEQQ1 features two 12-bit Multibuffered ADC (MibADC) modules: ADC1 with 24 input channels and ADC2 with 16 channels (shared with ADC1). Each has 64-word result buffers with parity protection, supports grouped sequential conversions, and offers a 10-bit mode for faster sampling. Analog inputs accept 0–VCCAD (3.0–5.25 V), and the device includes dedicated VCCAD/VSSAD pins with external reference support (ADREFHI/LO) for high-accuracy acquisition in systems using the TMS5702135DPGEQQ1.

What package and pin count does the TMS5702135DPGEQQ1 use?

The TMS5702135DPGEQQ1 uses a 144-pin LQFP (PGE) package, green, with 20.0 mm × 20.0 mm body size and 0.5 mm pitch. It is RoHS-compliant and rated for automotive temperature range (-40°C to 125°C). This package provides 16 GPIO pins (GIOA/GIOB), dedicated CAN/FlexRay transceiver interfaces, ADC inputs, and power domains optimized for low-noise operation-matching the mechanical and thermal requirements of engine bay and chassis-mounted ECUs using the TMS5702135DPGEQQ1.