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Texas Instruments M0L1306QDGS20RQ1
- Part No.:
- M0L1306QDGS20RQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 20-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
M0L1306QDGS20RQ1.pdf
- Description:
- AUTOMOTIVE 32-MHZ ARM CORTEX-M0+
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
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Product details
Overview
M0L1306QDGS20RQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified 32-bit Arm® Cortex®-M0+ microcontroller operating up to 32 MHz, with 64 KB flash, 4 KB SRAM, a 12-bit 1.68-Msps ADC (8 external channels), two zero-drift chopper op-amps, and integrated temperature sensing - deployed in steering wheel systems and door handle modules.
For engineers reviewing the M0L1306QDGS20RQ1 datasheet, M0L1306QDGS20RQ1 pinout, M0L1306QDGS20RQ1 application, or M0L1306QDGS20RQ1 equivalent, key selection criteria include its 20-pin VSSOP package, -40°C to +125°C operation, 1.62–3.6 V supply range, ultra-low-power STANDBY mode (1.0 µA), and automotive functional safety documentation support.
Technical Context
The M0L1306QDGS20RQ1 implements an Arm Cortex-M0+ core with on-chip SYSOSC (±1.2% accuracy, 4–32 MHz) and LFOSC (±3%, 32 kHz), enabling crystal-free operation in space-constrained automotive nodes. Its analog subsystem integrates configurable VREF (1.4 V or 2.5 V), programmable-gain OPA stages (1×–32×), and a high-speed comparator with 8-bit DAC and 32-ns propagation delay.
Digital intelligence includes four 16-bit timers supporting 8 PWM channels, a 3-channel DMA, event fabric for low-latency peripheral triggering, and communication interfaces with protocol flexibility: two UARTs (LIN/IrDA/Manchester), two I²C (SMBus/PMBus), and one SPI (16 Mbit/s), all retaining wakeup capability from STOP/STANDBY modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 32-bit, up to 32 MHz - enables deterministic real-time control in ASIL-B–capable automotive subsystems. |
| Flash / SRAM | 64 KB flash / 4 KB SRAM - sufficient for sensor fusion firmware, motor commutation logic, and LIN stack with retained context across low-power states. |
| ADC | 12-bit, 1.68-Msps, 8 external channels - supports high-resolution sampling of potentiometers, thermistors, and current-sense signals in seat comfort or kick-to-open modules. |
| OPA | Two zero-drift chopper op-amps (0.5 µV/°C drift, 1–32× gain) - delivers stable amplification for millivolt-level sensor outputs without external calibration. |
| Low-Power Modes | STANDBY: 1.0 µA (32-kHz timer active, full SRAM retention, 3.2 µs wakeup); SHUTDOWN: 61 nA with IO wakeup - extends battery life in always-on vehicle occupancy detection. |
| Package | 20-pin VSSOP (5.1 mm × 4.9 mm) - compact surface-mount footprint compatible with automated SMT assembly and thermal constraints in interior lighting housings. |
| Qualification | AEC-Q100 Grade 1 (–40°C to +125°C TA) - validated for under-hood and cabin-mounted automotive body electronics applications. |
Pinout & Package
20-pin VSSOP (DGS) package with exposed thermal pad recommended to be connected to VSS; pin count and layout optimized for minimal PCB area in space-constrained automotive modules such as door handles and steering column controls.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VSS / VCORE | Power rails | VDD (Pin 6): 1.62–3.6 V main supply; VSS (Pin 7): ground reference; VCORE (Pin 3): regulated internal core voltage output - decoupling required per TI layout guidelines. |
| PA0 / PA1 | 5-V-tolerant open-drain I/O | UART1_TX/RX (default BSL I²C SDA/SCL) - supports fail-safe communication with legacy 5-V peripherals and bootloader activation without level shifters. |
| PA2 | Oscillator input | ROSC (Pin 8): connects external resistor to tune SYSOSC accuracy - eliminates need for external crystal in cost-sensitive modules. |
| PA20 / PA19 | Debug interface | SWCLK/SWDIO (Pins 16/15): 2-pin Serial Wire Debug - enables in-system programming and real-time trace with minimal debug footprint. |
| A0–A7 | ADC inputs | 8 dedicated analog inputs (Pins 2, 1, 20, 19, 18, 17, 14, 13) - maps directly to physical sensors (e.g., hall effect, thermistor, potentiometer) with no external mux required. |
| NRST | Reset input | Active-low reset (Pin 5), muxed with PA1 on 20-pin variant - simplifies board-level reset circuitry while maintaining debug accessibility. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 1 certified with functional safety documentation - reduces validation effort for ISO 26262 ASIL-B system integration. |
| Zero-drift op-amps | Two chopper-stabilized OPAs (0.5 µV/°C drift, 1–32× gain) - enables direct interfacing with low-output sensors (e.g., MEMS accelerometers) without trimming or recalibration. |
| Ultra-low-power STANDBY | 1.0 µA with 32-kHz timer running, full SRAM retention, and 3.2 µs wakeup - supports responsive wake-on-proximity in vehicle entry systems. |
| Integrated analog signal chain | ADC + VREF (1.4 V/2.5 V) + COMP + GPAMP + OPA + temp sensor - consolidates signal conditioning for multi-sensor automotive nodes into single-chip solution. |
| Protocol-flexible UARTs | Two UARTs supporting LIN, IrDA, Manchester, DALI, Smart Card - allows reuse across body control, lighting, and gateway functions without hardware redesign. |
Applications
| Steering Wheel Systems | Door Handle Modules |
|---|---|
Use Scenario: Detecting button press, capacitive touch, and torque feedback in driver-assist steering columns. IC Role / Device Role / Timing Role: Real-time sensor acquisition, LIN bus communication, and local actuator control with sub-millisecond response. Use Value: Integrates 8-channel ADC, two OPAs for analog front-end conditioning, and LIN-capable UART - eliminating discrete signal chain components and reducing BOM count by ≥30%. |
Use Scenario: Proximity sensing and mechanical latch control in passive entry systems. IC Role / Device Role / Timing Role: Wake-on-RF event processing, Hall sensor monitoring, and solenoid drive timing with <3.2 µs exit from STANDBY. Use Value: 1.0 µA STANDBY current and IO-wakeup capability enable >10-year battery life in coin-cell-powered handles without compromising responsiveness. |
| Kick-to-Open Modules | Seat Comfort Module |
Use Scenario: Detecting leg motion via ultrasonic or IR time-of-flight sensors to trigger rear liftgate opening. IC Role / Device Role / Timing Role: High-speed ADC sampling (1.68 Msps), digital filtering, and CAN/LIN message generation for gate actuation. Use Value: On-chip 12-bit ADC and 32-MHz CPU deliver precise distance calculation and real-time decision latency <5 ms - meeting OEM response-time requirements. |
Use Scenario: Monitoring seat position, weight, temperature, and vibration for adaptive lumbar and heating control. IC Role / Device Role / Timing Role: Simultaneous analog acquisition (potentiometer, NTC, thermopile), PWM motor control, and I²C communication with HVAC ECU. Use Value: Integrated GPAMP, COMP with DAC, and 8 PWM channels enable closed-loop thermal and positional control without external op-amp or driver ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSPM0L1306QDGS28Q1 | 28-pin VSSOP, 24 GPIOs, 10 ADC channels - adds 4 analog inputs and 7 additional I/Os over M0L1306QDGS20RQ1. | Suitable for modules requiring more sensor inputs or actuator drivers (e.g., multi-zone interior lighting). | Select when board layout permits larger package and higher I/O count is needed; not pin-compatible with 20-pin variant. |
| MSPM0L1305QDGS20Q1 | Same 20-pin VSSOP package, but 32 KB flash and 4 KB SRAM - reduced program memory, identical RAM and peripheral set. | Fits simpler firmware (e.g., basic door lock control) where 64 KB flash overhead is unnecessary. | Drop-in replacement for cost-optimized variants where application code size stays below 32 KB; shares identical pinout and electrical behavior. |
Compared with MSPM0L1305QDGS20Q1, M0L1306QDGS20RQ1 provides double flash capacity for complex sensor fusion algorithms, while versus MSPM0L1306QDGS28Q1 it trades I/O count and ADC channels for smaller PCB footprint - making it optimal for highly constrained, function-specific automotive nodes.
Availability
M0L1306QDGS20RQ1 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 M0L1306QDGS20RQ1 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 delivering analog and embedded processing solutions, with leadership in automotive, industrial, and power management technologies.
M0L1306QDGS20RQ1 belongs to the MSPM0L130x-Q1 automotive MCU family, designed specifically for cost-sensitive, ultra-low-power body electronics applications requiring AEC-Q100 qualification and integrated analog signal chains.
FAQ
What is the maximum operating frequency and core architecture of the M0L1306QDGS20RQ1?
The M0L1306QDGS20RQ1 features an Arm Cortex-M0+ 32-bit RISC core with a maximum operating frequency of 32 MHz. This architecture delivers efficient interrupt handling and deterministic real-time performance essential for automotive body control tasks. The device achieves 71 µA/MHz in RUN mode, balancing compute throughput with ultra-low-power operation - a key enabler for battery-backed modules like kick-to-open systems where the M0L1306QDGS20RQ1 is commonly deployed.
How many analog input channels does the M0L1306QDGS20RQ1 support, and what is its ADC resolution?
The M0L1306QDGS20RQ1 supports 8 external analog input channels with its 12-bit successive-approximation ADC, capable of 1.68 million samples per second. This resolution and speed allow precise measurement of sensor signals such as potentiometer wiper voltage, thermistor resistance (via ratiometric conversion), and current-sense amplifier outputs - critical for accurate position and temperature feedback in steering wheel and seat comfort applications using the M0L1306QDGS20RQ1.
Does the M0L1306QDGS20RQ1 include hardware support for functional safety compliance?
Yes, the M0L1306QDGS20RQ1 is AEC-Q100 Grade 1 qualified (–40°C to +125°C) and designated as Functional Safety Quality-Managed. Texas Instruments provides documentation to aid functional safety system design, including failure mode analysis and diagnostic coverage guidance. While the M0L1306QDGS20RQ1 itself is not ASIL-certified, its architecture - featuring CRC-16/32 accelerators, windowed watchdog timer, and memory protection unit - supports implementation of ASIL-B software-level safety mechanisms in end systems such as door handle modules.
What debug interface does the M0L1306QDGS20RQ1 use, and how many pins does it require?
The M0L1306QDGS20RQ1 uses a 2-pin Serial Wire Debug (SWD) interface, implemented on PA19 (SWDIO) and PA20 (SWCLK), both located on the 20-pin VSSOP package. This minimal debug footprint preserves I/O resources for application signals while enabling full firmware download, breakpoint debugging, and real-time variable inspection. The M0L1306QDGS20RQ1's SWD implementation is fully compatible with standard ARM-compliant debug probes used in TI's Code Composer Studio and third-party IDEs.
What are the lowest-power operational modes supported by the M0L1306QDGS20RQ1, and what features remain active?
The M0L1306QDGS20RQ1 supports SHUTDOWN mode at 61 nA with IO wakeup capability, and STANDBY mode at 1.0 µA with 32-kHz 16-bit timer running, full SRAM/register retention, and 3.2 µs wakeup to active state. In STANDBY, the ADC, OPAs, COMP, and GPAMP can be configured for autonomous analog monitoring - enabling the M0L1306QDGS20RQ1 to detect threshold crossings (e.g., proximity, temperature) without CPU intervention, ideal for always-on vehicle occupancy detection.
M0L1306QDGS20RQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 20-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:
- 17
- Program Memory Size:
- 64KB (64K 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 8x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
M0L1306QDGS20RQ1 FAQ
1.How can I place an order for M0L1306QDGS20RQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for M0L1306QDGS20RQ1 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 M0L1306QDGS20RQ1 reliable?
The price and inventory of M0L1306QDGS20RQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M0L1306QDGS20RQ1 is usually 5 days.
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M0L1306QDGS20RQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M0L1306QDGS20RQ1 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 M0L1306QDGS20RQ1?
For technical support, including M0L1306QDGS20RQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M0L1306QDGS20RQ1 requirements.
6.How does Aetrix verify that M0L1306QDGS20RQ1 is sourced from the original manufacturer or authorized distributors?
All M0L1306QDGS20RQ1 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 M0L1306QDGS20RQ1 meets industry standards.
7.What is the process for return or replacement of M0L1306QDGS20RQ1?
All M0L1306QDGS20RQ1 units undergo pre-shipment inspection (PSI). If there is an issue with M0L1306QDGS20RQ1, 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 M0L1306QDGS20RQ1 part is unused and in its original packaging.
Return procedure for M0L1306QDGS20RQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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