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Texas Instruments MSP430F5151IDA
- Part No.:
- MSP430F5151IDA
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 38-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430F5151IDA.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 38TSSOP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSP430F5151IDA from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller in 38-pin TSSOP (DA) package, featuring 16 KB Flash, 2 KB RAM, dual 16-bit Timer_D modules, USCI_A0 (UART/IrDA/SPI) and USCI_B0 (I²C/SPI), 16-channel comparator, and 5-V-tolerant I/Os. It targets battery-powered sensor systems and digital power supplies requiring sub-µA standby current and fast wake-up.
For engineers reviewing the MSP430F5151IDA datasheet, MSP430F5151IDA pinout, MSP430F5151IDA application, or MSP430F5151IDA equivalent, key selection factors include LPM3 current (1.1 µA @ 3 V), 5-V-tolerant I/O drive strength (20 mA), ADC channel count (0 external channels, no ADC10_A module), and TSSOP-38 package compatibility with legacy MSP430F5xx layouts.
Technical Context
The MSP430F5151IDA belongs to the MSP430F51x1 family - a subset of the F51x2/F51x1 series lacking the 10-bit ADC10_A module and external ADC input channels. Its architecture centers on the CPUXV2 core with 16-bit RISC instruction set, 40-ns cycle time, and three-channel DMA, all coordinated by a unified clock system with FLL, VLO, REFO, and XT1 support up to 25 MHz.
Power management relies on an integrated LDO with programmable core voltage, SVM/SVS monitoring, and five low-power modes (LPM0–LPM4.5). The device uses a Port Mapping Controller for flexible peripheral-to-pin assignment, enabling dynamic reconfiguration of USCI, Timer_D, and comparator functions across its 29 GPIOs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPUXV2 16-bit RISC with constant generators; enables high code efficiency and deterministic timing for real-time control loops. |
| Flash / RAM | 16 KB Flash / 2 KB RAM; sufficient for firmware with USB stack, sensor fusion, or closed-loop motor control without external memory. |
| LPM3 Current | 1.1 µA @ 3 V; supports multi-year operation on coin-cell batteries in thermostats or remote sensors. |
| Wake-up Time | <5 µs from LPM3; meets strict real-time response requirements in interrupt-driven metering or fault detection. |
| I/O Drive | Up to 20 mA per pin, 5-V tolerant; directly drives LEDs, small relays, or logic interfaces without level shifters. |
| Timer Resources | Two 16-bit Timer_D (TD0/TD1) with 3 capture/compare registers each and high-resolution mode; suitable for PWM generation and precise timing in digital power supplies. |
| Communication | USCI_A0 (UART/IrDA/SPI) + USCI_B0 (I²C/SPI); enables dual-bus connectivity to sensors, displays, and host controllers simultaneously. |
Pinout & Package
Package: 38-pin TSSOP (DA), 12.5 mm × 6.2 mm body size, lead pitch 0.65 mm, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0–P1.5 | General-purpose I/O with USCI/Comparator secondary functions | Configurable as UART TX/RX, SPI pins, or comparator inputs; supports Schmitt-trigger inputs for noisy environments. |
| PJ.0–PJ.3 | GPIO with SMCLK/MCLK/ACLK/ADC10CLK outputs | Provides clock distribution to external peripherals; PJ.2 and PJ.3 also serve as JTAG test signals (TMS/TCK). |
| P2.0–P2.7 | Timer_D and TEC fault I/O | Directly maps to TD0/TD1 CCR outputs and fault inputs; enables hardware-based overcurrent protection in motor drivers. |
| P3.0–P3.3 | Timer_A clock input, comparator output, TD0/TD1 clock | P3.3 supports CBOUT for analog comparator chaining; P3.4 provides MCLK output for synchronous system clocking. |
| RST/NMI/SBWTDIO | Reset, nonmaskable interrupt, Spy-Bi-Wire I/O | Single-pin debug interface reduces PCB footprint; internal pullup ensures reliable reset assertion without external components. |
| DVIO | 5-V-tolerant I/O power supply | Enables safe interfacing with 5-V logic while core runs at 1.8–3.6 V; eliminates need for external level translators. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LDO with programmable core voltage | Reduces external component count and improves power-supply rejection ratio (PSRR) across operating voltage range (1.8–3.6 V). |
| Port Mapping Controller (PMC) | Allows runtime remapping of USCI, Timer_D, and comparator functions to any GPIO, simplifying PCB layout and enabling firmware-defined peripheral routing. |
| Dual 16-bit Timer_D with high-resolution mode | Supports 256-MHz timer clock for sub-nanosecond timing resolution - critical for digital power supply feedback loops and LED dimming precision. |
| 3-channel DMA | Enables zero-CPU-overhead data transfers between peripherals (e.g., USCI → RAM), preserving low-power mode residency during burst communication. |
| Ultra-low-power comparator with dedicated modes | Operates down to 0.9 µA in ultra-low-power mode; supports windowed monitoring and wake-on-event without CPU intervention. |
Applications
| Thermostats | LED Lighting Controls |
|---|---|
Use Scenario: Battery-powered wall-mounted thermostat sampling ambient temperature and humidity every 30 seconds, transmitting data via UART to HVAC controller. IC Role / Device Role / Timing Role: Main system controller managing sensor reads, display refresh, wireless UART transmission, and LPM3 sleep scheduling. Use Value: 1.1 µA LPM3 current extends CR2032 battery life beyond 5 years; 5-V-tolerant I/O interfaces directly with 5-V display driver ICs. | Use Scenario: Dimmable LED driver board using PWM to regulate brightness across 12V LED strings in commercial signage. IC Role / Device Role / Timing Role: PWM generator and fault monitor, using Timer_D high-resolution mode for precise duty-cycle control and TEC fault inputs for overtemperature shutdown. Use Value: Sub-5 µs wake-up ensures immediate response to fault events; dual Timer_D modules enable independent control of multiple LED zones. |
| Digital Power Supplies | Remote Controls |
Use Scenario: Secondary-side digital controller in isolated AC/DC adapter, regulating output voltage via optocoupler feedback and monitoring output current. IC Role / Device Role / Timing Role: Real-time voltage/current measurement supervisor and communication bridge between primary controller and safety isolation barrier. Use Value: USCI_B0 I²C interface connects to local ADC or temperature sensor; 20 mA I/O drive powers optocoupler LED directly. | Use Scenario: IR remote control for smart home devices, decoding NEC protocol and sending commands via low-power RF transceiver. IC Role / Device Role / Timing Role: Low-power protocol decoder and transceiver controller, waking only on IR pulse detection to minimize average current. Use Value: USCI_A0 IrDA encoder/decoder handles modulation/demodulation in hardware; <5 µs wake-up ensures no IR pulse is missed. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5152IDA | Includes 10-bit ADC10_A with 8 external + 2 internal channels; otherwise identical Flash/RAM/peripherals/package. | Required when analog sensing (e.g., thermistor, light sensor) is needed alongside same low-power profile. | Select MSP430F5152IDA if ADC functionality is essential; MSP430F5151IDA saves cost and die area where ADC is unused. |
| MSP430F5131IDA | 8 KB Flash / 1 KB RAM; same peripheral set and power specs as MSP430F5151IDA but reduced memory. | Suitable for simpler firmware (e.g., basic timer-based control) with no OTA updates or complex state machines. | Choose MSP430F5131IDA for cost-sensitive, memory-light applications; MSP430F5151IDA provides headroom for feature expansion. |
Compared with MSP430F5152IDA and MSP430F5131IDA, the MSP430F5151IDA delivers optimal balance of memory (16 KB Flash), peripheral richness (dual Timer_D, dual USCI), and ultra-low-power operation (1.1 µA LPM3) - making it ideal for mid-complexity embedded control where ADC is unnecessary.
Availability
MSP430F5151IDA is available at Aetrix Electronics and suitable for thermostats, LED lighting controls, and digital power supplies requiring stable component supply, long-term industrial availability, and consistent TSSOP-38 footprint compatibility.
Supply support for MSP430F5151IDA 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 applications.
The MSP430F51x1 product line targets ultra-low-power embedded control in space-constrained, battery-operated systems - emphasizing rapid wake-up, intelligent peripheral offload, and minimal external component count.
FAQ
Does MSP430F5151IDA include an analog-to-digital converter (ADC)?
No, the MSP430F5151IDA does not include the ADC10_A module. Unlike the MSP430F5152IDA, it omits all external ADC input channels and internal reference circuitry - confirmed in the Device Comparison table and Signal Descriptions section of the SLAS619R datasheet. This omission reduces cost and power consumption for applications relying solely on digital I/O and comparator-based sensing.
What is the maximum operating frequency of MSP430F5151IDA?
The MSP430F5151IDA supports a maximum system clock (MCLK) frequency of 25 MHz, enabled by the integrated FLL and high-frequency crystal oscillator (XT1). This is validated in Section 5.22 (Crystal Oscillator, XT1, High-Frequency Mode) of the SLAS619R datasheet, which specifies stable operation up to 25 MHz with appropriate crystal loading and calibration.
Which development tools support MSP430F5151IDA programming and debugging?
The MSP430F5151IDA is supported by TI's MSP430FR2355 LaunchPad Development Kit (MSP-EXP430FR2355), MSP-FET programmer/debugger, and Code Composer Studio v12+ IDE. These tools leverage the device's Spy-Bi-Wire (SBW) interface on RST/NMI and TEST pins, enabling full flash programming, real-time debugging, and low-power mode analysis without requiring JTAG header space.
Can MSP430F5151IDA operate from a 1.8-V supply?
Yes, the MSP430F5151IDA operates across a supply range of 1.8 V to 3.6 V, as specified in Section 5.3 (Recommended Operating Conditions) of SLAS619R. At 1.8 V, it maintains full functionality including 16-MHz MCLK operation (with FLL tuning), 20-mA I/O drive, and LPM3 current of 1.1 µA - enabling direct use with single-cell Li-ion or alkaline batteries.
Is MSP430F5151IDA pin-compatible with other MSP430F51x1 devices in TSSOP-38 package?
Yes, the MSP430F5151IDA shares identical pinout, electrical characteristics, and package dimensions with MSP430F5131IDA and MSP430F5171IDA in the 38-pin DA package - verified in Figure 4-2 (38-Pin DA Package) and Table 4-1 (Signal Descriptions) of SLAS619R. This allows drop-in replacement within the F51x1 family for memory or feature scaling.
MSP430F5151IDA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 38-TSSOP (0.240", 6.10mm Width)
- Series:
- MSP430F5xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 29
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5151IDA FAQ
1.How can I place an order for MSP430F5151IDA through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5151IDA 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 MSP430F5151IDA reliable?
The price and inventory of MSP430F5151IDA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5151IDA is usually 5 days.
3.What payment methods are accepted for MSP430F5151IDA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5151IDA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F5151IDA?
MSP430F5151IDA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5151IDA 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 MSP430F5151IDA?
For technical support, including MSP430F5151IDA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5151IDA requirements.
6.How does Aetrix verify that MSP430F5151IDA is sourced from the original manufacturer or authorized distributors?
All MSP430F5151IDA 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 MSP430F5151IDA meets industry standards.
7.What is the process for return or replacement of MSP430F5151IDA?
All MSP430F5151IDA units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5151IDA, 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 MSP430F5151IDA part is unused and in its original packaging.
Return procedure for MSP430F5151IDA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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