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Texas Instruments MSPS003F4SPW20R
- Part No.:
- MSPS003F4SPW20R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSPS003F4SPW20R.pdf
- Description:
- 24MHz Arm Cortex-M0+ MCU
- Quantity:
- Payment:
- Shipping:
Inventory:2,988
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Product details
Overview
MSPS003F4SPW20R from Texas Instruments is a 32-bit Arm® Cortex®-M0+ microcontroller operating at up to 24MHz, featuring 16KB flash, 1KB SRAM, and a 12-bit 1.5Msps ADC with VDD reference-designed for ultra-low-power battery management and smart metering applications in industrial and building automation systems.
For engineers reviewing the MSPS003F4SPW20R datasheet, MSPS003F4SPW20R pinout, MSPS003F4SPW20R application, or MSPS003F4SPW20R equivalent, key selection criteria include its 20-pin TSSOP package, -40°C to 125°C extended temperature range, 1.62V–3.6V supply voltage, integrated temperature sensor, and dual timer subsystems supporting up to 14 PWM channels.
Technical Context
The MSPS003F4SPW20R implements an Arm Cortex-M0+ core with on-chip 24MHz SYSOSC (±2% to +1.2% accuracy) and 32kHz LFOSC, eliminating external crystals. Its analog subsystem integrates a 10-channel 12-bit ADC with selectable internal 1.4V/2.5V VREF, dedicated 1-channel DMA, and on-die temperature sensor.
Digital peripherals include one 16-bit advanced timer with deadband and up to 8 PWM outputs, two 16-bit general-purpose timers (4 and 2 capture/compare each), windowed watchdog, and UART/I²C/SPI interfaces supporting LIN, DALI, SMBus, and PMBus protocols-all operable in STANDBY mode with 5µA retention current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 24MHz max - enables deterministic real-time control in resource-constrained embedded systems. |
| Memory | 16KB flash / 1KB SRAM - sufficient for firmware with ADC data processing, communication stacks, and low-level drivers. |
| ADC | 12-bit, 1.5Msps at 12-bit (VDD reference), 10 external channels - supports high-speed sampling of battery voltage, current, and temperature in power management. |
| Supply Range | 1.62V to 3.6V - compatible with single-cell Li-ion, multi-cell alkaline, and regulated 3.3V rails without level-shifting. |
| Operating Temp | –40°C to 125°C - qualified for under-hood automotive modules, grid infrastructure, and industrial motor controllers. |
| Low-Power Modes | STANDBY: 5µA with SRAM retention; SHUTDOWN: 200nA - extends battery life in always-on sensing nodes. |
| I/O Count | 17 GPIOs including 2x 5V-tolerant open-drain - simplifies interface to legacy 5V sensors, LEDs, and I²C buses. |
Pinout & Package
Package: 20-pin TSSOP (PW20), 6.5mm × 5.0mm body, exposed pad not present - suitable for cost-sensitive, space-constrained PCB layouts with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 9) | Power supply input | Primary 1.62–3.6V rail; requires 10µF low-ESR capacitor to VSS for stable operation. |
| VSS (Pin 7) | Ground reference | Common return path for analog/digital domains; must be low-impedance and star-connected. |
| PA0 (Pin 4) | GPIO / I²C0_SDA / BEEP | 5V-tolerant open-drain I/O - usable as I²C data line or beeper driver without external pull-up or transistor. |
| PA1 / NRST (Pin 5) | Reset input | Active-low reset; must be pulled high to VDD during normal operation to prevent unintended resets. |
| PA19 / SWDIO (Pin 15) | Debug data I/O | Two-pin SWD interface - enables full debug, flash programming, and real-time trace with minimal board footprint. |
| PA20 / SWCLK (Pin 16) | Debug clock input | Drives SWD clock; synchronous with SWDIO for reliable programming across temperature and voltage ranges. |
| A0–A9 (Pins 1,2,3,17,19,20,14,13,12,11) | ADC analog inputs | 10 dedicated analog input pins - support simultaneous sampling of multiple battery cells or sensor signals. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated VREF | Configurable 1.4V or 2.5V internal reference - eliminates external precision reference ICs for ADC calibration and sensor biasing. |
| Advanced Timer w/ Deadband | 16-bit TIMA0 with programmable deadtime insertion - enables safe gate driving for half-bridge motor control without external logic. |
| UART in STANDBY | Full UART0 operation (LIN/DALI/Manchester) during STANDBY mode at 5µA - allows wake-on-frame for always-listening communication nodes. |
| On-die Temperature Sensor | Factory-calibrated ±2°C accuracy - provides system thermal monitoring without external thermistors or digital sensors. |
| CRC-16 Accelerator | Hardware CRC engine - offloads checksum computation for firmware updates, EEPROM data integrity, and secure boot verification. |
Applications
| Battery Charging Control | Smart Energy Metering |
|---|---|
|
Use Scenario: Real-time monitoring and regulation of Li-ion charging profiles in portable power banks and UPS units. IC Role / Device Role: Primary system controller executing CC/CV algorithms, ADC-based cell voltage/current sampling, and thermal foldback. Use Value: Integrated 12-bit ADC with VDD reference and 1.5Msps throughput enables accurate per-cell voltage measurement without external signal conditioning. |
Use Scenario: Sub-metering of residential or commercial energy consumption with tariff switching and tamper detection. IC Role / Device Role: Data acquisition and communication hub interfacing with metrology ICs, RTC, and PLC/GPRS modems. Use Value: UART supporting DALI and LIN protocols allows direct integration with lighting and HVAC sub-systems using existing wiring infrastructure. |
| Industrial Power Supply Monitoring | Building Fire Safety Sensors |
|
Use Scenario: Continuous health monitoring of AC/DC and DC/DC converters in factory automation equipment. IC Role / Device Role: Fault-detection supervisor triggering shutdown via TIMA0 fault inputs upon overvoltage, overcurrent, or thermal events. Use Value: Three independent fault inputs (TIMA_FAL0/1/2) with hardware response enable <1µs reaction time to protect downstream power stages. |
Use Scenario: Multi-sensor smoke/heat/CO detection node with wireless reporting and local alarm activation. IC Role / Device Role: Low-power sensor fusion processor aggregating analog smoke chamber output, thermistor readings, and CO sensor voltage. Use Value: STANDBY mode at 5µA with retained SRAM allows rapid wake-and-measure cycles, extending 10-year battery life in sealed detectors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSPM0C1104SDGS20R | Same core, memory, and peripheral set; differs only in 20-pin VSSOP (DGS20) package with 5.1mm × 4.9mm footprint. | Identical functionality but higher thermal resistance (RθJA = 91.3°C/W vs. 98.2°C/W) - preferred where board space permits larger pitch. | Select when requiring VSSOP for manual assembly or compatibility with legacy test fixtures. |
| MSPS003F3SPW20R | 8KB flash (vs. 16KB), same 1KB SRAM, identical peripherals and package - binary-compatible subset variant. | Limited firmware capacity restricts complex protocol stacks (e.g., full DALI v2) or large lookup tables for battery aging models. | Select for cost-optimized designs where application code fits within 8KB and future firmware expansion is not required. |
Compared with MSPM0C1104SDGS20R, the MSPS003F4SPW20R offers marginally better thermal performance in TSSOP; compared with MSPS003F3SPW20R, it doubles flash capacity for field-upgradable features and enhanced security libraries without changing PCB layout.
Availability
MSPS003F4SPW20R is available at Aetrix Electronics and suitable for battery charging control, smart energy metering, and industrial power supply monitoring requiring stable component supply across extended temperature and voltage ranges.
Supply support for MSPS003F4SPW20R 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The MSPM0 family delivers ultra-low-power, cost-optimized MCUs with integrated analog peripherals targeting portable measurement, power management, and smart infrastructure applications.
FAQ
What is the maximum ADC sampling rate supported by the MSPS003F4SPW20R?
The MSPS003F4SPW20R supports 1.5Msps at 12-bit resolution when using VDD as the voltage reference. This rate is achievable across the full –40°C to 125°C operating range and enables high-fidelity acquisition of fast transients in power conversion and motor control loops. The ADC also supports 1.7Msps at 10-bit resolution for applications prioritizing speed over precision.
Does the MSPS003F4SPW20R support debugging via SWD with full memory access?
Yes, the MSPS003F4SPW20R supports 2-pin Serial Wire Debug (SWD) via PA19 (SWDIO) and PA20 (SWCLK), providing full read/write access to flash, SRAM, and peripheral registers. It enables breakpoints, watchpoints, and real-time variable inspection without halting the CPU, critical for validating timing-critical firmware in battery management systems.
Can the MSPS003F4SPW20R operate reliably at 125°C junction temperature?
The MSPS003F4SPW20R is rated for ambient temperatures up to 125°C and has a maximum junction temperature of 130°C. With its TSSOP package RθJA of 98.2°C/W, proper PCB copper area and thermal vias ensure safe operation at full load in high-temperature environments such as enclosed smart meters or industrial motor drives.
How many independent PWM channels can the MSPS003F4SPW20R generate simultaneously?
The MSPS003F4SPW20R supports up to 14 independent PWM channels: 8 from the 16-bit advanced timer (TIMA0) with deadband control, and 6 from two 16-bit general-purpose timers (TIMG14 and TIMG8). All channels are configurable for edge-aligned or center-aligned modes and support programmable duty cycle and period registers.
Is the internal 24MHz oscillator accurate enough for UART communication without an external crystal?
Yes, the internal SYSOSC has a factory-trimmed accuracy of –2% to +1.2% across voltage and temperature, meeting UART baud rate error requirements (<±2%) for common rates (e.g., 115.2 kbps at 16x oversampling) without external timing components - reducing BOM cost and board area in space-constrained designs.
MSPS003F4SPW20R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- MSPM0C110x
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 24MHz
- Connectivity:
- DALI, I2C, IrDA, LINbus, SmartCard, SMBus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 17
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.62V ~ 3.6V
- Data Converters:
- A/D 9x10b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSPS003F4SPW20R FAQ
1.How can I place an order for MSPS003F4SPW20R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSPS003F4SPW20R 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 MSPS003F4SPW20R reliable?
The price and inventory of MSPS003F4SPW20R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSPS003F4SPW20R is usually 5 days.
3.What payment methods are accepted for MSPS003F4SPW20R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSPS003F4SPW20R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSPS003F4SPW20R?
MSPS003F4SPW20R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSPS003F4SPW20R 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 MSPS003F4SPW20R?
For technical support, including MSPS003F4SPW20R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSPS003F4SPW20R requirements.
6.How does Aetrix verify that MSPS003F4SPW20R is sourced from the original manufacturer or authorized distributors?
All MSPS003F4SPW20R 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 MSPS003F4SPW20R meets industry standards.
7.What is the process for return or replacement of MSPS003F4SPW20R?
All MSPS003F4SPW20R units undergo pre-shipment inspection (PSI). If there is an issue with MSPS003F4SPW20R, 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 MSPS003F4SPW20R part is unused and in its original packaging.
Return procedure for MSPS003F4SPW20R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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