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Texas Instruments MSPM0L1305TDGS28R
- Part No.:
- MSPM0L1305TDGS28R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 28-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
MSPM0L1305TDGS28R.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 20TFSOP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSPM0L1305TDGS28R from Texas Instruments is a 32-bit Arm® Cortex®-M0+ microcontroller operating at up to 32 MHz, featuring 32KB flash, 4KB SRAM, a 12-bit 1.68-Msps ADC with 10 external channels, two zero-drift chopper op-amps, and integrated temperature sensing. It targets ultra-low-power battery-powered applications such as smart metering and portable medical devices.
For engineers reviewing the MSPM0L1305TDGS28R datasheet, MSPM0L1305TDGS28R pinout, MSPM0L1305TDGS28R application, or MSPM0L1305TDGS28R equivalent, key selection criteria include its 28-pin VSSOP package, –40°C to 125°C extended temperature rating, 1.62–3.6 V supply range, STANDBY mode current of 1.0 µA with full SRAM retention, and analog integration enabling sensor front-end consolidation without external signal conditioning.
Technical Context
The MSPM0L1305TDGS28R implements an Arm Cortex-M0+ core with on-chip SYSOSC (±1.2% accuracy) eliminating external crystals, and supports intelligent low-power operation via RUN/STOP/STANDBY/SHUTDOWN modes. Its analog subsystem includes programmable gain (1–32×) for OPA0/OPA1, configurable 1.4-V/2.5-V internal VREF, and direct analog routing between ADC, OPAs, COMP, and DAC.
Digital peripherals include two UARTs (one supporting LIN/IrDA/DALI), two I²C interfaces (one FM+, both SMBus/PMBus-capable), one SPI (up to 16 Mbit/s), four 16-bit timers (8 PWM channels total), and a 3-channel DMA controller - all accessible in STANDBY mode for event-driven wake-up without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 32 MHz max - enables real-time control with deterministic interrupt latency under 12 cycles. |
| Flash / SRAM | 32 KB / 4 KB - sufficient for firmware + calibration data storage in compact embedded systems. |
| ADC | 12-bit, 1.68 Msps, 10 external channels - supports high-resolution sampling of multiple sensors in single-cycle acquisition. |
| Operating Temp | –40°C to 125°C - qualified for industrial and automotive under-hood environments. |
| Supply Voltage | 1.62 V to 3.6 V - compatible with single-cell Li-ion, LiFePO₄, and dual-cell alkaline batteries. |
| Low-Power Mode | STANDBY: 1.0 µA with 32-kHz timer running, SRAM retained, 32-MHz wakeup in 3.2 µs - enables rapid response to sensor events while minimizing quiescent draw. |
| Package | 28-pin VSSOP (DGS), 7.1 mm × 4.9 mm - surface-mount compatible with standard pick-and-place and reflow processes. |
Pinout & Package
28-pin VSSOP (DGS) package with exposed thermal pad recommended to be connected to VSS. Pin count and footprint match industry-standard 28-pin VSSOP layouts, supporting automated assembly and thermal management in space-constrained PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Primary 1.62–3.6 V digital/analog supply; decoupling required per TI layout guidelines. |
| VSS | Ground reference | Common return path for digital, analog, and power domains; connects to thermal pad. |
| VCORE | Regulated core voltage output | Internally generated ~1.2 V supply for CPU and digital logic; requires local 1-µF ceramic capacitor. |
| PA20 / SWCLK | JTAG/SWD clock input | Enables 2-pin serial wire debug; shared with ADC input A6 for multiplexed pin usage. |
| PA19 / SWDIO | JTAG/SWD bidirectional data | Single-wire debug interface; supports programming and real-time trace during development. |
| PA27 / A0 | Analog input channel 0 | First of ten dedicated ADC external inputs; supports differential or single-ended acquisition. |
| PA23 / VREF+ | Internal voltage reference output | Provides stable 1.4 V or 2.5 V reference for ADC and comparator; selectable via register. |
| PA21 / A5 / VREF- | Analog input / reference ground | Shared terminal for ADC channel 5 and VREF negative reference; must be routed with low-noise layout. |
| PA25 / A2 | Analog input channel 2 | Third ADC input; usable with OPA0_IN0+ for buffered sensor signal conditioning. |
| PA18 / A7 / GPAMP_IN- | Analog input / GPAMP inverting input | Supports transimpedance or difference amplifier configurations using general-purpose amplifier. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift chopper op-amps | 0.5 µV/°C drift and 6-pA input bias enable precision DC-coupled sensor amplification without manual calibration. |
| Programmable gain stage | 1–32× gain per OPA allows flexible scaling of weak sensor outputs (e.g., thermocouples, strain gauges) before ADC conversion. |
| Integrated temperature sensor | On-die sensor with ±2°C accuracy over full temperature range supports system thermal monitoring without external components. |
| Low-power analog routing | Configurable interconnect between ADC, OPAs, COMP, and DAC eliminates external signal routing and reduces BOM count. |
| Event fabric signaling | 3-channel hardware event system enables autonomous peripheral interaction (e.g., ADC trigger → OPA gain change → COMP threshold check) without CPU overhead. |
Applications
| Battery Charging Control | Smart Energy Metering |
|---|---|
Use Scenario: Real-time monitoring of cell voltage, current, and temperature during Li-ion charging cycles in portable power banks. IC Role / Device Role / Timing Role: MCU performs closed-loop charge control, ADC samples shunt voltage and thermistor, OPAs condition signals, COMP triggers fault shutdown. Use Value: Integrated analog front-end reduces component count by 4–6 discrete op-amps, references, and comparators while maintaining <1% current measurement accuracy. | Use Scenario: Accurate active/reactive energy measurement in DIN-rail mounted residential meters with tamper detection. IC Role / Device Role / Timing Role: MSPM0L1305TDGS28R executes metrology algorithms, reads isolated current/voltage sensors via ADC, logs data to flash, and communicates via UART/I²C. Use Value: STANDBY mode current of 1.0 µA enables >10-year battery backup for time-of-use logging without compromising metrology precision. |
| Portable Medical Sensors | Industrial Fire Detection |
Use Scenario: Pulse oximetry module measuring SpO₂ and heart rate using photodiode signals and ambient light cancellation. IC Role / Device Role / Timing Role: Dual chopper OPAs amplify weak photodiode currents; ADC oversamples at 1.68 Msps; GPAMP implements ambient subtraction loop. Use Value: Zero-drift performance ensures stable DC baseline over temperature, eliminating drift-induced false alarms in clinical-grade measurements. | Use Scenario: Multi-sensor smoke/heat detector with CO sensing, self-test, and wired alarm bus communication. IC Role / Device Role / Timing Role: Reads NTC thermistors and electrochemical CO sensors, runs heater control loops, drives alarm relay via GPIO, communicates via UART to panel. Use Value: Extended –40°C to 125°C qualification ensures reliable operation in unconditioned attics, garages, and outdoor enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSPM0L1306TDGS28R | 64 KB flash, same 4 KB SRAM, identical peripherals and package - differs only in program memory size. | Required when firmware exceeds 32 KB or future-proofing for feature expansion is needed. | Select MSPM0L1306TDGS28R if bootloader, crypto stack, or OTA update capability increases code size beyond 32 KB. |
| MSPM0L1305TRHB | Same flash/SRAM/peripherals but in 32-pin VQFN (5 mm × 5 mm) - adds 4 more GPIOs and 1 additional ADC channel. | Suitable when board layout allows larger package and extra I/O is needed for display interface or expanded sensor set. | Choose MSPM0L1305TRHB when pin count or analog channel count constraints prevent full utilization of DGS28's 24 GPIOs and 10 ADC inputs. |
Compared with MSPM0L1305TDGS28R, MSPM0L1306TDGS28R offers double flash capacity without changing footprint or power profile, while MSPM0L1305TRHB trades package compactness for higher I/O density and ADC channel count - both retain identical analog performance, low-power behavior, and software compatibility.
Availability
MSPM0L1305TDGS28R is available at Aetrix Electronics and suitable for battery charging control, smart energy metering, and portable medical sensors requiring stable component supply across long-lifecycle industrial programs.
Supply support for MSPM0L1305TDGS28R 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 for industrial, automotive, and personal electronics markets.
The MSPM0L130x product line delivers cost-optimized, ultra-low-power MCUs with integrated high-precision analog for battery-operated measurement and control applications - designed specifically to reduce external component count and extend operational lifetime.
FAQ
What is the maximum operating frequency of the MSPM0L1305TDGS28R?
The MSPM0L1305TDGS28R features an Arm Cortex-M0+ CPU with a maximum operating frequency of 32 MHz. This speed is supported across the full –40°C to 125°C temperature range and 1.62–3.6 V supply voltage, enabling deterministic real-time execution for time-critical sensor fusion and control tasks without external clock sources.
Does the MSPM0L1305TDGS28R support debugging via SWD?
Yes, the MSPM0L1305TDGS28R supports 2-pin Serial Wire Debug (SWD) using PA20 (SWCLK) and PA19 (SWDIO). These pins are dedicated to debug functionality and remain accessible even when other peripherals are active, allowing full firmware download, breakpoint setting, and real-time variable inspection during development and field diagnostics.
How many analog input channels does the MSPM0L1305TDGS28R ADC support?
The MSPM0L1305TDGS28R integrates a 12-bit, 1.68-Msps ADC with up to 10 external analog input channels (A0–A9), as confirmed in the device comparison table and signal descriptions. All 10 channels are accessible on the 28-pin VSSOP package, with A0–A5, A6–A9 mapped to dedicated pins including PA27, PA26, PA25, PA24, PA23, PA22, PA21, PA20, PA19, and PA18.
What low-power modes are available on the MSPM0L1305TDGS28R?
The MSPM0L1305TDGS28R provides four configurable low-power modes: RUN (71 µA/MHz), STOP (151 µA at 4 MHz), STANDBY (1.0 µA with 32-kHz timer active and full SRAM retention), and SHUTDOWN (61 nA with IO wakeup). Each mode preserves specific peripheral functionality - for example, UART, I²C, and timers remain operational in STANDBY for autonomous event handling.
Is the MSPM0L1305TDGS28R qualified for extended temperature operation?
Yes, the MSPM0L1305TDGS28R is qualified for operation from –40°C to 125°C, as indicated by the "S" suffix in its part number (MSPM0L1305TDGS28R). This extended temperature rating is verified per TI's qualification standards and enables deployment in harsh environments such as industrial motor controls, automotive cabin modules, and outdoor utility infrastructure.
MSPM0L1305TDGS28R 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, WDT
- Number of I/O:
- 24
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSPM0L1305TDGS28R FAQ
1.How can I place an order for MSPM0L1305TDGS28R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSPM0L1305TDGS28R 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 MSPM0L1305TDGS28R reliable?
The price and inventory of MSPM0L1305TDGS28R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSPM0L1305TDGS28R is usually 5 days.
3.What payment methods are accepted for MSPM0L1305TDGS28R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSPM0L1305TDGS28R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSPM0L1305TDGS28R?
MSPM0L1305TDGS28R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSPM0L1305TDGS28R 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 MSPM0L1305TDGS28R?
For technical support, including MSPM0L1305TDGS28R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSPM0L1305TDGS28R requirements.
6.How does Aetrix verify that MSPM0L1305TDGS28R is sourced from the original manufacturer or authorized distributors?
All MSPM0L1305TDGS28R 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 MSPM0L1305TDGS28R meets industry standards.
7.What is the process for return or replacement of MSPM0L1305TDGS28R?
All MSPM0L1305TDGS28R units undergo pre-shipment inspection (PSI). If there is an issue with MSPM0L1305TDGS28R, 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 MSPM0L1305TDGS28R part is unused and in its original packaging.
Return procedure for MSPM0L1305TDGS28R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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