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Texas Instruments M0L1305QDGS32RQ1
- Part No.:
- M0L1305QDGS32RQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 32-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
M0L1305QDGS32RQ1.pdf
- Description:
- AUTOMOTIVE 32-MHZ ARM CORTEX-M0+
- Quantity:
- Payment:
- Shipping:
Inventory:4,997
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Product details
Overview
M0L1305QDGS32RQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified 32-bit Arm® Cortex®-M0+ microcontroller operating up to 32 MHz, with 32 KB flash, 4 KB SRAM, a 12-bit 1.68-Msps ADC (10 external channels), two zero-drift chopper op-amps, and dual UART/I²C/SPI interfaces - deployed in steering wheel systems and door handle modules.
For engineers reviewing the M0L1305QDGS32RQ1 datasheet, M0L1305QDGS32RQ1 pinout, M0L1305QDGS32RQ1 application, or M0L1305QDGS32RQ1 equivalent, key selection criteria include its -40°C to +125°C operation, 1.62–3.6 V supply range, STANDBY mode consuming 1.0 µA with 32-kHz timer active, and 32-pin VSSOP package with two 5-V-tolerant open-drain I/Os.
Technical Context
The M0L1305QDGS32RQ1 integrates a 32-MHz Arm Cortex-M0+ core with on-chip SYSOSC (±1.2% accuracy) eliminating external crystals, and supports ultra-low-power operation via RUN (71 µA/MHz), STOP (44 µA at 32 kHz), STANDBY (1.0 µA), and SHUTDOWN (61 nA) modes. Its analog subsystem includes programmable gain (1–32×) for OPA0/OPA1, integrated 8-bit reference DAC for COMP0, and configurable internal VREF (1.4 V or 2.5 V).
Digital peripherals include a 3-channel DMA, four 16-bit timers (8 PWM channels total), windowed watchdog, and event fabric enabling low-power peripheral coordination. Communication interfaces support LIN, IrDA, DALI, Smart Card, Manchester, SMBus, and PMBus protocols - all operable in STANDBY mode with wakeup capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables real-time control in safety-critical automotive body electronics without external clock source |
| Flash / SRAM | 32 KB / 4 KB - sufficient for sensor fusion firmware and LIN protocol stack with retained context across low-power states |
| ADC | 12-bit, 1.68 Msps, 10 external channels - supports simultaneous sampling of multiple potentiometers or current sensors in motor control |
| OPA | Two zero-drift chopper op-amps (0.5 µV/°C drift, 1–32× gain) - delivers stable signal conditioning for temperature or position sensing over full automotive temperature range |
| Low-Power Modes | STANDBY: 1.0 µA with 32-kHz timer running, SRAM/registers retained, 32-MHz wakeup in 3.2 µs - enables rapid response to door handle proximity events |
| Package | 32-pin VSSOP (8.1 mm × 4.9 mm) - surface-mount compatible with automated assembly; includes two 5-V-tolerant open-drain IOs for fail-safe wake signaling |
| Qualification | AEC-Q100 Grade 1 (–40°C to +125°C TA) - certified for under-hood and cabin-mounted automotive applications requiring functional safety documentation support |
Pinout & Package
32-pin VSSOP (DGS) package with exposed thermal pad recommended to be connected to VSS; 28 GPIOs including two 5-V-tolerant open-drain I/Os with fail-safe protection; SWD debug interface on PA19/SWDIO and PA20/SWCLK.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VSS / VCORE | Power rails | VDD (pin 7): 1.62–3.6 V main supply; VCORE (pin 3): regulated core voltage output; VSS (pin 8): ground reference for analog/digital domains |
| PA20 / SWCLK PA19 / SWDIO | Debug interface | 2-pin serial wire debug (SWD) - enables in-system programming and real-time trace without dedicated JTAG pins |
| PA27 / A0 PA26 / A1 … PA16 / A8 PA15 / A9 | ADC inputs | 10 dedicated analog input pins (A0–A9) mapped to PA27–PA15 - supports multiplexed sensor acquisition with internal VREF selection |
| PA23 / VREF+ PA21 / VREF− | ADC reference | Configurable 1.4-V or 2.5-V internal reference - eliminates need for external precision reference IC in cost-sensitive body control modules |
| PA25 / A2 PA24 / A3 PA22 / A4 PA21 / A5 | OPA/COMP/GPAMP connections | Direct routing to OPA0_IN0+, OPA0_IN0−, OPA1_IN0+, GPAMP_IN+, GPAMP_OUT, COMP0_IN0+/IN1− - enables analog signal chain integration without external passive components |
Key Features
| Feature | Design Value |
|---|---|
| Functional Safety Quality-Managed | Documentation available to aid ISO 26262 ASIL-B system design - reduces validation effort for automotive gateway and occupancy detection applications |
| Zero-Drift Chopper OPAs | 0.5 µV/°C input offset drift with 1–32× programmable gain - maintains accuracy in seat comfort modules across cabin temperature swings |
| Comparator with Integrated DAC | 32-ns propagation delay + 8-bit reference DAC - enables fast overcurrent detection in DC-to-AC inverters with adjustable trip threshold |
| Low-Power Timer in STANDBY | 32-kHz 16-bit timer active at 1.0 µA - sustains periodic wake for vehicle occupancy detection without external RTC |
| Protocol-Aware Peripherals | UART supports LIN, IrDA, DALI, Manchester; I²C supports SMBus/PMBus - simplifies integration into automotive lighting and gateway communication stacks |
Applications
| Steering Wheel Systems | Door Handle Modules |
|---|---|
Use Scenario: Detecting capacitive touch, button press, and rotary position on multi-function steering wheels. IC Role / Device Role / Timing Role: Real-time analog front-end (AFE) controller with ADC, OPA, and COMP - digitizes sensor signals and executes local gesture logic. Use Value: Eliminates external signal conditioning ICs; 32-MHz wakeup from STANDBY ensures <5 µs response to driver input. |
Use Scenario: Proximity sensing and mechanical actuation control for hands-free door unlocking. IC Role / Device Role / Timing Role: Low-power sensor hub managing capacitive, Hall-effect, and wake-on-IO events - coordinates RF handshake and latch activation. Use Value: 61-nA SHUTDOWN mode with IO wakeup extends battery life in passive entry systems; 5-V-tolerant IOs interface directly with legacy door module logic. |
| Kick-to-Open Modules | Seat Comfort Module |
Use Scenario: Detecting foot motion beneath rear bumper using time-of-flight or IR sensor array. IC Role / Device Role / Timing Role: Edge-processing node performing sensor fusion (ADC + OPA + GPAMP) and triggering CAN/LIN message on valid kick gesture. Use Value: On-chip 12-bit ADC and zero-drift OPAs enable high-SNR motion detection without external amplifiers; STANDBY timer maintains periodic sensor polling at 1.0 µA. |
Use Scenario: Closed-loop control of seat heating, ventilation, and massage actuators based on thermistor and current feedback. IC Role / Device Role / Timing Role: Analog-intensive MCU executing PID loops using ADC inputs, OPA-based current sensing, and PWM outputs to power stages. Use Value: Integrated 2× chopper OPAs provide stable gain over –40°C to +125°C - ensures consistent thermal regulation performance across climate zones. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| M0L1306QDGS32Q1 | 64 KB flash, 4 KB SRAM - double program memory; identical package, pinout, and peripheral set | Supports larger AUTOSAR MCAL stacks or dual-core firmware partitioning | Select when future firmware expansion or ASIL-D decomposition requires additional code space without layout change |
| MSPM0L1305QRHBQ1 | 32-pin VQFN (5 mm × 5 mm) instead of VSSOP; same electrical specs and feature set | Better thermal dissipation and higher I/O density; requires PCB redesign | Choose for space-constrained modules where thermal performance outweighs assembly compatibility with existing DGS footprint |
Compared with M0L1305QDGS32RQ1, M0L1306QDGS32Q1 offers scalable code storage while maintaining drop-in compatibility, whereas MSPM0L1305QRHBQ1 provides identical functionality in a thermally superior but non-pin-compatible VQFN package - enabling trade-offs between layout reuse and thermal/power density.
Availability
M0L1305QDGS32RQ1 is available at Aetrix Electronics and suitable for automotive body electronics, steering wheel systems, and door handle modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for M0L1305QDGS32RQ1 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 specializing in analog and embedded processing technologies, with leadership in automotive, industrial, and power management solutions.
The MSPM0L130x-Q1 product line delivers cost-optimized, ultra-low-power MCUs for automotive body electronics - designed to integrate high-performance analog peripherals and robust low-power operation into compact, AEC-Q100 qualified packages.
FAQ
What is the maximum operating frequency and core architecture of the M0L1305QDGS32RQ1?
The M0L1305QDGS32RQ1 features an Arm Cortex-M0+ CPU with a maximum operating frequency of 32 MHz. It uses an enhanced 32-bit RISC architecture optimized for deterministic real-time control and ultra-low-power operation. The device includes an internal 4–32 MHz oscillator with ±1.2% accuracy, eliminating the need for an external crystal. This specification applies directly to the M0L1305QDGS32RQ1 and is confirmed in TI's SLASF59A datasheet Section 7.9.
Does the M0L1305QDGS32RQ1 support AEC-Q100 qualification, and what temperature grade does it meet?
Yes, the M0L1305QDGS32RQ1 is AEC-Q100 qualified for automotive applications and meets Grade 1 requirements, supporting operation from –40°C to +125°C ambient temperature (TA). This qualification is explicitly stated in the "Features" section of the official datasheet and applies to the exact part number M0L1305QDGS32RQ1, not just the family. Functional safety documentation is also provided to support ISO 26262 system development.
How much flash memory and SRAM does the M0L1305QDGS32RQ1 include, and how does this compare to other variants in the family?
The M0L1305QDGS32RQ1 includes 32 KB of embedded flash memory and 4 KB of SRAM. This is distinct from the M0L1304QDGS32Q1 (16 KB flash, 2 KB SRAM) and M0L1306QDGS32Q1 (64 KB flash, 4 KB SRAM), as documented in Table 5-1 of the SLASF59A datasheet. All three share identical peripheral sets and package options, enabling scalable firmware development across the family without hardware redesign.
What analog peripherals are integrated into the M0L1305QDGS32RQ1, and how are they configured?
The M0L1305QDGS32RQ1 integrates a 12-bit 1.68-Msps ADC with up to 10 external analog input channels (A0–A9), two zero-drift chopper operational amplifiers (OPA0 and OPA1) with 0.5 µV/°C drift and 1–32× programmable gain, one general-purpose amplifier (GPAMP), and one high-speed comparator (COMP0) with 32-ns propagation delay and integrated 8-bit reference DAC. These are configured via dedicated analog pin mappings (e.g., PA23/VREF+, PA21/VREF−) and register-controlled gain/select settings - all verified for the M0L1305QDGS32RQ1 in Sections 6.3 and 7.12–7.17 of the datasheet.
What package type and pin count does the M0L1305QDGS32RQ1 use, and are there any special handling requirements?
The M0L1305QDGS32RQ1 uses a 32-pin VSSOP (DGS) package measuring 8.1 mm × 4.9 mm. It includes two 5-V-tolerant open-drain I/Os with fail-safe protection, and the exposed thermal pad (not present in VSSOP) is absent - unlike the VQFN variant. No special handling beyond standard ESD precautions is required; however, system-level ESD protection must be applied per TI's MSP430 System-Level ESD Considerations application note, which applies to MSPM0 devices as noted in the datasheet caution block.
M0L1305QDGS32RQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 32-TFSOP (0.118", 3.00mm Width)
- Series:
- MSPM0 L
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 32MHz
- Connectivity:
- DALI, I2C, IrDA, LINbus, SmartCard, SMBus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, TRNG, WDT
- Number of I/O:
- 28
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.62V ~ 3.6V
- Data Converters:
- A/D 10x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
M0L1305QDGS32RQ1 FAQ
1.How can I place an order for M0L1305QDGS32RQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for M0L1305QDGS32RQ1 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 M0L1305QDGS32RQ1 reliable?
The price and inventory of M0L1305QDGS32RQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M0L1305QDGS32RQ1 is usually 5 days.
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Once your M0L1305QDGS32RQ1 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 M0L1305QDGS32RQ1?
For technical support, including M0L1305QDGS32RQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M0L1305QDGS32RQ1 requirements.
6.How does Aetrix verify that M0L1305QDGS32RQ1 is sourced from the original manufacturer or authorized distributors?
All M0L1305QDGS32RQ1 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 M0L1305QDGS32RQ1 meets industry standards.
7.What is the process for return or replacement of M0L1305QDGS32RQ1?
All M0L1305QDGS32RQ1 units undergo pre-shipment inspection (PSI). If there is an issue with M0L1305QDGS32RQ1, 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 M0L1305QDGS32RQ1 part is unused and in its original packaging.
Return procedure for M0L1305QDGS32RQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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