Texas Instruments M0G3505QDGS32RQ1

Overview

M0G3505QDGS32RQ1 from Texas Instruments is an automotive-grade Arm® Cortex®-M0+ microcontroller operating at up to 80MHz, featuring 32KB flash with ECC, 16KB SRAM with parity, CAN-FD interface, and dual 12-bit 4Msps ADCs - deployed in vehicle occupancy detection and door handle modules.

For engineers reviewing the M0G3505QDGS32RQ1 datasheet, M0G3505QDGS32RQ1 pinout, M0G3505QDGS32RQ1 application, or M0G3505QDGS32RQ1 equivalent, this page delivers verified functional safety (ASIL B), low-power STANDBY mode (1.5µA), analog integration (OPA, COMP, DAC), and AEC-Q100 Grade 1 qualification for automotive body electronics design.

Technical Context

The M0G3505QDGS32RQ1 implements a memory protection unit (MPU) and 7-channel DMA for deterministic real-time control, with math accelerator support for DIV, SQRT, MAC, and TRIG operations - enabling efficient motor control loop execution. Its dual ADCs support simultaneous sampling across 11 external channels, synchronized via hardware triggers from timers or comparators.

It integrates two zero-drift chopper op-amps (0.5µV/°C drift, programmable gain up to 32×), three high-speed comparators (32ns propagation delay), and a configurable internal voltage reference (1.4V or 2.5V) - all routed through programmable analog interconnects to support sensor signal conditioning without external components.

Key Specifications

Pinout & Package

Package: 32-pin VSSOP (DGS32), 8.1mm × 4.9mm, 0.5mm pitch, with wettable flanks option available.

Key Features

Applications

Equivalent & Alternatives

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

Compared with M0G3505QDGS32RQ1, M0G3506QDGS32RQ1 offers scalable memory within identical footprint and safety certification, while MSP430FR6989IPZ lacks CAN-FD, ASIL B, and real-time performance - making it unsuitable for gateway or motor control roles where M0G3505QDGS32RQ1 is deployed.

Availability

M0G3505QDGS32RQ1 is available at Aetrix Electronics and suitable for automotive body electronics, door handle modules, and vehicle occupancy detection systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for M0G3505QDGS32RQ1 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 electronics with over 50 years of innovation in high-reliability silicon solutions.

The MSPM0G350x family targets cost-optimized, ultra-low-power automotive MCUs - designed specifically for body electronics, gateway, and motor control applications demanding ASIL B compliance and integrated analog peripherals.

FAQ

What is the maximum operating frequency of the M0G3505QDGS32RQ1?

The M0G3505QDGS32RQ1 features an Arm Cortex-M0+ core with a maximum operating frequency of 80MHz, achieved via its internal PLL. This frequency is fully supported across the entire –40°C to +125°C temperature range and 1.62V–3.6V supply voltage window, enabling deterministic real-time control in automotive applications such as steering wheel systems and DC-AC inverters where timing predictability is critical.

Does the M0G3505QDGS32RQ1 support CAN-FD, and what data rates does it achieve?

Yes, the M0G3505QDGS32RQ1 integrates a single Controller Area Network interface compliant with both CAN 2.0A/B and CAN-FD protocols. It supports flexible data rates up to 5Mbps in FD mode, with bit-rate switching and payload lengths up to 64 bytes - essential for high-throughput communication in automotive gateways and body domain controllers where legacy CAN bandwidth is insufficient.

How many analog-to-digital converter channels does the M0G3505QDGS32RQ1 support in its 32-pin VSSOP package?

The M0G3505QDGS32RQ1 supports 11 external analog input channels across its dual 12-bit, 4Msps ADC subsystems. This count is confirmed for the DGS32 package variant (Table 5-1, Device Comparison), and includes dedicated pins such as PA21 (A1_7), PA22 (A0_7), PA24–PA27 (A0_2–A0_0), and PA14–PA18 (A0_12, A1_0–A1_3) - sufficient for multi-sensor monitoring in door handle and seat comfort modules.

What low-power modes are available on the M0G3505QDGS32RQ1, and what is the lowest current draw?

The M0G3505QDGS32RQ1 offers five low-power modes: RUN (101µA/MHz), SLEEP (40µA/MHz), STOP (190µA at 4MHz), STANDBY (1.5µA), and SHUTDOWN (80nA). In STANDBY mode, the device retains SRAM, CPU state, and registers while running the RTC from the 32kHz LFXT oscillator - making it ideal for always-on vehicle occupancy detection and wake-on-IO applications without compromising battery life.

Is the M0G3505QDGS32RQ1 certified for functional safety, and to which standard?

Yes, the M0G3505QDGS32RQ1 is ISO 26262 certified up to ASIL B by TÜV, covering both systematic capability and hardware integrity. It includes safety documentation to aid system-level design, memory protection unit (MPU), ECC on flash, parity on SRAM, and built-in self-test (BIST) support - fulfilling requirements for automotive body electronics and gateway applications where ASIL B compliance is mandated.