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Texas Instruments M0L1306QDGS28RQ1
- Part No.:
- M0L1306QDGS28RQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 28-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
M0L1306QDGS28RQ1.pdf
- Description:
- AUTOMOTIVE 32-MHZ ARM CORTEX-M0+
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
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Product details
Overview
M0L1306QDGS28RQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified 32-bit Arm® Cortex®-M0+ microcontroller operating up to 32 MHz, featuring 64 KB flash, 4 KB SRAM, a 12-bit 1.68-Msps ADC with 10 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 M0L1306QDGS28RQ1 datasheet, M0L1306QDGS28RQ1 pinout, M0L1306QDGS28RQ1 application, or M0L1306QDGS28RQ1 equivalent, key selection criteria include its 28-pin VSSOP package, -40°C to +125°C operation, 1.62–3.6 V supply range, STANDBY mode consuming 1.0 µA with full SRAM retention, and dual I²C/SPI/UART interfaces supporting LIN and SMBus protocols.
Technical Context
The M0L1306QDGS28RQ1 integrates a 32-bit Arm Cortex-M0+ core with on-chip SYSOSC (±1.2% accuracy) and LFOSC (±3%), eliminating need for external crystals. Its analog subsystem includes configurable 1.4-V/2.5-V internal VREF, programmable gain (1–32×) for OPA0/OPA1, and COMP0 with 8-bit reference DAC and 32-ns propagation delay.
Digital architecture features a 3-channel DMA, four 16-bit timers (eight PWM channels total), windowed watchdog timer, and event fabric enabling low-power peripheral coordination. All communication peripherals - two UARTs, two I²C (one FM+), one SPI - support wakeup from STOP/STANDBY modes while maintaining protocol compliance for LIN, DALI, Smart Card, SMBus, and PMBus.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time control in safety-critical automotive functions. |
| Flash / SRAM | 64 KB / 4 KB - sufficient for complex sensor fusion algorithms and bootloader + application partitioning. |
| ADC | 12-bit, 1.68-Msps, 10 external channels - supports high-resolution sampling of multiple analog sensors (e.g., position, temperature, current) without external multiplexers. |
| OPA Performance | Zero-drift, 0.5 µV/°C drift with chopping, 1–32× programmable gain - enables precision signal conditioning for low-level transducer outputs. |
| Low-Power Modes | STANDBY: 1.0 µA (32-kHz timer active, SRAM retained, 3.2 µs wake); SHUTDOWN: 61 nA with IO wakeup - extends battery life in always-on vehicle occupancy detection. |
| Operating Range | -40°C to +125°C ambient, 1.62–3.6 V supply - meets AEC-Q100 Grade 1 requirements for under-hood and interior automotive environments. |
| Communication | 2× UART (LIN-capable), 2× I²C (1× FM+), 1× SPI (16 Mbit/s) - provides flexible connectivity for gateway, lighting, and motor control subsystems. |
Pinout & Package
Package: 28-pin VSSOP (DGS), 7.1 mm × 4.9 mm, with exposed thermal pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA0 / PA1 | 5-V-tolerant open-drain I/O | Support fail-safe interface to legacy 5-V automotive buses; usable as I²C0 SDA/SCL or UART1 TX/RX with BSL capability. |
| PA2 | ROSC input | Connects external resistor to tune internal oscillator accuracy; eliminates crystal cost and board space in timing-sensitive applications. |
| PA20 / PA19 | SWCLK / SWDIO | 2-pin serial wire debug interface - enables in-system programming and real-time debugging without dedicated JTAG header. |
| PA23 / PA22 | VREF+ / VREF- | Internal ADC voltage reference inputs - configurable for 1.4 V or 2.5 V reference, enabling consistent measurement across varying supply conditions. |
| PA27 / PA26 | A0 / A1 (ADC inputs) | Analog inputs with dedicated routing to ADC0 - support direct connection of potentiometers, thermistors, or Hall-effect sensors in seat comfort modules. |
| NRST | Active-low reset input | Hardware reset pin shared with PA1 on 28-pin variant - simplifies PCB layout by reducing dedicated reset circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Functional Safety Quality-Managed | Documentation provided for ISO 26262 ASIL-B system integration - reduces functional safety validation effort in automotive body electronics. |
| Chopper Op-Amps (OPA0/OPA1) | 0.5 µV/°C drift + programmable gain (1–32×) - enables accurate amplification of µV-level signals from strain gauges or current-sense shunts. |
| Comparator with DAC | COMP0 includes integrated 8-bit reference DAC and 32-ns propagation delay - allows precise threshold detection without external components in kick-to-open modules. |
| Intelligent Low-Power Timers | Four 16-bit timers with STANDBY-mode operation and capture/compare registers - supports PWM-driven LED dimming and motor phase timing without CPU intervention. |
| Analog Signal Routing | Programmable connections between ADC, OPAs, COMP, and DAC - enables flexible signal chains (e.g., OPA → COMP → ADC) without external wiring. |
Applications
| Steering Wheel Systems | Door Handle Modules |
|---|---|
Use Scenario: Real-time detection of capacitive touch, button press, and rotary encoder position in driver-assist interfaces. IC Role / Device Role / Timing Role: Primary MCU handling sensor acquisition, debouncing, CAN/LIN message formatting, and local actuator control. Use Value: Integrated 12-bit ADC and zero-drift OPAs enable high-accuracy analog front-end without external signal conditioning ICs. |
Use Scenario: Proximity sensing, mechanical latch status monitoring, and anti-pinch logic in passive entry systems. IC Role / Device Role / Timing Role: Sensor hub aggregating Hall-effect, reed switch, and capacitive inputs; manages secure authentication handshake via LIN. Use Value: STANDBY mode at 1.0 µA with full SRAM retention allows continuous low-power sensing while preserving state for rapid wake-and-respond behavior. |
| Kick-to-Open Modules | Seat Comfort Module |
Use Scenario: Detecting foot motion under rear bumper using ultrasonic or IR time-of-flight sensors with adaptive thresholding. IC Role / Device Role / Timing Role: Real-time signal processing unit running proximity algorithm, managing sensor timing, and triggering LIN-based trunk release. Use Value: COMP0 with integrated 8-bit DAC enables dynamic threshold adjustment based on ambient temperature and battery voltage - improving false-trigger immunity. |
Use Scenario: Monitoring seat position, weight distribution, and heating element current in multi-zone climate-controlled seats. IC Role / Device Role / Timing Role: Dedicated analog acquisition node feeding data to main ECU via I²C; controls PWM-driven heater drivers. Use Value: Two chopper OPAs with programmable gain allow simultaneous high-gain amplification of low-level thermistor and shunt-resistor signals - minimizing component count. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSPM0L1306QDGS32Q1 | 32-pin VSSOP package; adds 4 GPIOs and 2 additional ADC channels vs. DGS28 variant. | Better suited for designs requiring more analog inputs or digital I/O without changing firmware pin mapping. | Select when board layout allows larger 8.1 mm × 4.9 mm footprint and additional I/O is needed for future expansion. |
| MSPM0L1305QDGS28Q1 | 32 KB flash (vs. 64 KB), same 4 KB SRAM, identical 28-pin VSSOP package and peripheral set. | Targeted at cost-optimized implementations where application code size fits within 32 KB and no flash headroom is required. | Choose for production cost reduction when firmware size is verified ≤32 KB and no future feature updates demand extra flash. |
Compared with MSPM0L1306QDGS32Q1, M0L1306QDGS28RQ1 trades I/O count for compactness; versus MSPM0L1305QDGS28Q1, it doubles flash capacity while retaining identical low-power performance and pin compatibility - making it optimal for scalable software-defined automotive modules.
Availability
M0L1306QDGS28RQ1 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 M0L1306QDGS28RQ1 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 family is designed specifically for cost-sensitive, ultra-low-power automotive body electronics - integrating high-precision analog peripherals and AEC-Q100 qualification into a single-chip solution for interior sensing and actuation.
FAQ
What is the maximum operating frequency and core architecture of the M0L1306QDGS28RQ1?
The M0L1306QDGS28RQ1 uses an Arm Cortex-M0+ 32-bit RISC core with a maximum operating frequency of 32 MHz. This architecture delivers efficient real-time processing for automotive control tasks while maintaining low power consumption. The M0L1306QDGS28RQ1 achieves 71 µA/MHz in RUN mode, balancing performance and energy efficiency for battery-backed modules.
Does the M0L1306QDGS28RQ1 support AEC-Q100 qualification, and what temperature grade does it meet?
Yes, the M0L1306QDGS28RQ1 is AEC-Q100 qualified for automotive applications and meets Grade 1 specifications, operating reliably from –40°C to +125°C ambient temperature. This qualification ensures robustness against thermal stress, vibration, and electrical noise in under-dash and door-mounted automotive environments.
How many analog-to-digital converter (ADC) channels does the M0L1306QDGS28RQ1 support, and what is its resolution and speed?
The M0L1306QDGS28RQ1 integrates a 12-bit analog-to-digital converter with up to 10 external input channels and a maximum sampling rate of 1.68 Msps. Its configurable internal voltage reference (1.4 V or 2.5 V) ensures stable conversion accuracy across supply variations - critical for reliable sensor readings in lighting and occupancy detection systems.
What low-power modes are available on the M0L1306QDGS28RQ1, and what is the lowest current draw?
The M0L1306QDGS28RQ1 offers RUN, STOP, STANDBY, and SHUTDOWN modes. Its lowest active-retention mode is STANDBY at 1.0 µA (with 32-kHz timer running and full SRAM/register retention), and SHUTDOWN draws just 61 nA with IO wakeup capability - enabling multi-year battery life in vehicle occupancy detection and smart handle applications.
Which communication interfaces are integrated into the M0L1306QDGS28RQ1, and do they support automotive protocols?
The M0L1306QDGS28RQ1 includes two UARTs (one LIN-capable), two I²C interfaces (one FM+ at 1 Mbit/s), and one SPI (up to 16 Mbit/s). All support wakeup from low-power modes and protocol extensions including LIN, SMBus, PMBus, DALI, and Smart Card - making the M0L1306QDGS28RQ1 suitable for automotive gateways and distributed sensor networks.
M0L1306QDGS28RQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 28-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:
- 24
- 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 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:
M0L1306QDGS28RQ1 FAQ
1.How can I place an order for M0L1306QDGS28RQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for M0L1306QDGS28RQ1 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 M0L1306QDGS28RQ1 reliable?
The price and inventory of M0L1306QDGS28RQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M0L1306QDGS28RQ1 is usually 5 days.
3.What payment methods are accepted for M0L1306QDGS28RQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M0L1306QDGS28RQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M0L1306QDGS28RQ1?
M0L1306QDGS28RQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M0L1306QDGS28RQ1 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 M0L1306QDGS28RQ1?
For technical support, including M0L1306QDGS28RQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M0L1306QDGS28RQ1 requirements.
6.How does Aetrix verify that M0L1306QDGS28RQ1 is sourced from the original manufacturer or authorized distributors?
All M0L1306QDGS28RQ1 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 M0L1306QDGS28RQ1 meets industry standards.
7.What is the process for return or replacement of M0L1306QDGS28RQ1?
All M0L1306QDGS28RQ1 units undergo pre-shipment inspection (PSI). If there is an issue with M0L1306QDGS28RQ1, 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 M0L1306QDGS28RQ1 part is unused and in its original packaging.
Return procedure for M0L1306QDGS28RQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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