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Texas Instruments MSP430FR5725IDA
- Part No.:
- MSP430FR5725IDA
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 38-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR5725IDA.pdf
- Description:
- IC MCU 16BIT 8KB FRAM 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,448
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Product details
Overview
MSP430FR5725IDA from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 8KB ferroelectric RAM (FRAM), 1KB SRAM, and a 10-bit ADC with 12 external + 2 internal channels. It operates from 2 V to 3.6 V across –40°C to 85°C and delivers 81.4 µA/MHz active current. It targets battery-powered sensor management and data acquisition systems requiring nonvolatile memory endurance and RTC functionality.
For engineers reviewing the MSP430FR5725IDA datasheet, MSP430FR5725IDA pinout, MSP430FR5725IDA application, or MSP430FR5725IDA equivalent, key selection considerations include FRAM write endurance (10¹⁵ cycles), integrated RTC with calendar/alarm, dual eUSCI modules supporting UART/IrDA/SPI/I²C, and 32-pin TSSOP package compatibility with low-power analog peripheral integration.
Technical Context
The MSP430FR5725IDA implements the MSP430 CPUXV2 core with seven low-power modes, including LPM3.5 (RTC active with crystal) at 1.5 µA and LPM4.5 (shutdown) at 0.32 µA. Its FRAM architecture enables 125 ns per-word writes and built-in ECC/MPU for reliable code+data storage without flash erase cycles.
Analog subsystem includes a 16-channel comparator with programmable hysteresis and voltage reference, while digital peripherals feature three 16-bit timers (Timer_A ×2, Timer_B ×3), 32-bit hardware multiplier, and three-channel DMA - all optimized for deterministic real-time sensing and control in constrained power budgets.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2, up to 8-MHz clock - enables deterministic real-time execution with low gate count and minimal power overhead. |
| Nonvolatile Memory | 8KB FRAM - provides true EEPROM-like write endurance (10¹⁵ cycles), zero-write-delay updates, and radiation resistance for field-updatable firmware. |
| ADC | 10-bit, 12 external + 2 internal channels, 200 ksps @ 100 µA - supports high-resolution sensor sampling with low power consumption and integrated sample-and-hold. |
| Low-Power Modes | LPM3.5 (RTC + crystal): 1.5 µA; LPM4.5 (shutdown): 0.32 µA - extends battery life in always-on monitoring applications with precise timekeeping. |
| Communication Interfaces | eUSCI_A0/A1 (UART/IrDA/SPI), eUSCI_B0 (I²C/SPI) - enables flexible wired connectivity to sensors, displays, and host controllers without external level shifters. |
| Package | TSSOP-38, 12.5 mm × 6.2 mm - surface-mount compatible with standard PCB assembly processes and space-constrained industrial modules. |
| Operating Voltage | 2.0 V to 3.6 V - supports direct operation from single-cell Li-ion, Li-SOCl₂, or two-cell alkaline batteries. |
Pinout & Package
The MSP430FR5725IDA is housed in a 38-pin Thin Shrink Small Outline Package (TSSOP-38) with 0.65 mm pitch and exposed thermal pad recommended for connection to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0.1/DMAE0/RTCCLK/A0*/CD0/VeREF- | Multi-function I/O | Primary RTC calibration output, ADC channel A0 input, comparator CD0, and DMA trigger source - enables time-synchronized sensor sampling. |
| P1.1/TA0.2/TA1CLK/CDOUT/A1*/CD1/VeREF+ | Multi-function I/O | ADC reference input (VeREF+), comparator output (CDOUT), and timer clock source - supports precision analog measurement with programmable gain. |
| PJ.4/XIN & PJ.5/XOUT | Clock Input/Output | Connects to 32-kHz crystal for RTC accuracy or HF crystal up to 16 MHz - provides stable timing base for real-time scheduling and low-jitter communication. |
| RST/NMI/SBWTDIO | Reset & Debug | Active-low reset with NMI capability and Spy-Bi-Wire debug I/O - enables in-system programming and fault recovery without JTAG header. |
| TEST/SBWTCK | Debug Clock | Spy-Bi-Wire clock input for programming and debugging - reduces debug footprint to two pins versus four-pin JTAG. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 8KB unified memory with 125 ns write speed, 10¹⁵ cycle endurance, and ECC protection - eliminates flash wear-out concerns and enables logging at microsecond intervals. |
| Real-Time Clock (RTC_B) | Calendar mode with alarm, calibration, and 32-kHz crystal support - maintains accurate timekeeping during LPM3.5 at 1.5 µA, enabling scheduled wake-ups for periodic sensing. |
| Enhanced USCI Modules | eUSCI_A0/A1 (UART/IrDA/SPI) and eUSCI_B0 (I²C/SPI) - supports simultaneous multi-protocol communication, including hardware UART bootloader (BSL) without external voltage. |
| Ultra-Low-Power Analog | 16-channel comparator with programmable hysteresis and internal reference - enables threshold-based event detection (e.g., tamper, overvoltage) with sub-µA static current. |
| Power Management | Integrated LDO, supply voltage supervisor (SVS), and zero-power brownout detection - ensures robust operation across battery discharge curves without external supervision circuitry. |
Applications
| Smart Metering Endpoint | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered electricity/water meter collecting pulse counts, temperature, and tamper events over 10+ years. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing FRAM-based data logging, and maintaining RTC-synchronized timestamps. Use Value: 8KB FRAM enables decade-long secure data retention without wear leveling; LPM4.5 shutdown current of 0.32 µA extends primary battery life beyond 15 years. | Use Scenario: Wireless vibration/temperature node on rotating machinery, transmitting alerts via UART-to-LoRa module. IC Role / Device Role / Timing Role: Signal conditioner and scheduler - samples analog sensors via ADC, triggers RTC alarms for periodic transmission, and manages SPI interface to transceiver. Use Value: 200 ksps ADC captures transient faults; dual eUSCI modules allow concurrent sensor readout and radio control without CPU intervention. |
| Home Security Panel | Portable Data Logger |
Use Scenario: Battery-backed security hub monitoring door/window contacts, motion sensors, and siren drivers. IC Role / Device Role / Timing Role: Central state machine coordinating I/O interrupts, driving buzzer outputs, and logging intrusion events to FRAM with timestamp. Use Value: Comparator_D with programmable hysteresis detects contact bounce-free edge transitions; 16-channel comparator supports 16 zones without external comparators. | Use Scenario: Handheld environmental logger recording temperature/humidity/pressure at user-defined intervals. IC Role / Device Role / Timing Role: Host MCU interfacing to digital sensors (I²C), storing readings in FRAM, and displaying data via UART-connected OLED. Use Value: eUSCI_B0 I²C supports multi-sensor daisy-chaining; FRAM's fast writes enable burst logging at 1 kHz without data loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR5729IDA | 16KB FRAM, same peripherals and package - differs only in FRAM capacity and device ID. | Required where >8KB nonvolatile storage is needed for firmware updates or extended data history. | Select MSP430FR5729IDA when FRAM headroom exceeds 8KB; pinout and software are identical. |
| MSP430FR5739IPW | Same FRAM size (8KB), but 28-pin TSSOP (PW) package with fewer I/O (21 vs 30) and no P3/P4 ports. | Suitable for cost-optimized designs with reduced peripheral count and smaller PCB footprint. | Choose MSP430FR5739IPW only if I/O count and P3/P4 port access are not required. |
Compared with MSP430FR5729IDA, the MSP430FR5725IDA trades 8KB less FRAM for identical low-power performance and peripheral set - ideal for cost-sensitive sensor nodes. Against MSP430FR5739IPW, it offers 9 more GPIOs and full P3/P4 port access in a larger but industry-standard 38-pin TSSOP.
Availability
MSP430FR5725IDA is available at Aetrix Electronics and suitable for smart metering endpoints, industrial sensor nodes, home security panels, and portable data loggers requiring stable component supply and long-term manufacturability.
Supply support for MSP430FR5725IDA 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 and embedded processing solutions for industrial, automotive, and consumer markets.
The MSP430FR57xx family was designed specifically for ultra-low-power sensing and system management in building automation, smart grid infrastructure, and industrial IoT edge devices - prioritizing FRAM reliability, RTC accuracy, and analog integration over raw compute throughput.
FAQ
What is the maximum operating frequency of the MSP430FR5725IDA?
The MSP430FR5725IDA supports a maximum system clock frequency of 8 MHz, achieved using the factory-trimmed DCO oscillator or external HF crystal. This frequency is fully supported across the entire operating voltage range (2.0 V to 3.6 V) and temperature range (–40°C to 85°C), enabling deterministic real-time execution for time-critical sensor sampling and control loops in the MSP430FR5725IDA.
Does the MSP430FR5725IDA include hardware encryption or secure boot features?
No, the MSP430FR5725IDA does not include hardware encryption accelerators, secure boot ROM, or cryptographic key storage. It relies on software-based security measures and external secure elements for authentication or firmware integrity. The device does feature a Memory Protection Unit (MPU) to prevent unauthorized memory access, but this is not equivalent to dedicated security IC functionality in the MSP430FR5725IDA.
Can the MSP430FR5725IDA operate from a single 1.8-V supply?
No, the MSP430FR5725IDA requires a minimum supply voltage of 2.0 V per its recommended operating conditions. Operation below 2.0 V is outside specification and may result in undefined behavior, including FRAM write failure, RTC inaccuracy, or peripheral malfunction. For 1.8-V systems, consider the MSP430FR2355 or MSP430FR2476 families instead of the MSP430FR5725IDA.
How many I/O pins does the MSP430FR5725IDA provide in its TSSOP-38 package?
The MSP430FR5725IDA in the DA (TSSOP-38) package provides 30 general-purpose I/O pins, distributed across Ports P1 (8), P2 (8), P3 (8), P4 (2), and PJ (6). All pins support interrupt capability and wake-up from low-power modes, with specific pins assigned to analog functions (ADC, comparator), timers, and communication interfaces as defined in the MSP430FR5725IDA signal descriptions.
Is the MSP430FR5725IDA pin-compatible with the MSP430FR5721IDA?
Yes, the MSP430FR5725IDA and MSP430FR5721IDA share identical pinouts in the TSSOP-38 (DA) package, including function mapping for all 38 pins. Both devices use the same RHA/DA package variants and support identical peripheral configurations - allowing direct substitution where FRAM size (8KB vs 4KB) and ADC channel count meet design requirements in the MSP430FR5725IDA.
MSP430FR5725IDA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 38-TSSOP (0.240", 6.10mm Width)
- Series:
- MSP430™ FRAM
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 30
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 14x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR5725IDA FAQ
1.How can I place an order for MSP430FR5725IDA through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5725IDA 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 MSP430FR5725IDA reliable?
The price and inventory of MSP430FR5725IDA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5725IDA is usually 5 days.
3.What payment methods are accepted for MSP430FR5725IDA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5725IDA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5725IDA?
MSP430FR5725IDA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5725IDA 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 MSP430FR5725IDA?
For technical support, including MSP430FR5725IDA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5725IDA requirements.
6.How does Aetrix verify that MSP430FR5725IDA is sourced from the original manufacturer or authorized distributors?
All MSP430FR5725IDA 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 MSP430FR5725IDA meets industry standards.
7.What is the process for return or replacement of MSP430FR5725IDA?
All MSP430FR5725IDA units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5725IDA, 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 MSP430FR5725IDA part is unused and in its original packaging.
Return procedure for MSP430FR5725IDA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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