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Texas Instruments MSP430FR5725IRHAT
- Part No.:
- MSP430FR5725IRHAT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MSP430FR5725IRHAT.pdf
- Description:
- IC MCU 16BIT 8KB FRAM 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:211
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Product details
Overview
MSP430FR5725IRHAT from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 8 KB FRAM nonvolatile memory, 1 KB SRAM, and integrated peripherals including a 12-channel 10-bit ADC, 16-channel analog comparator, five 16-bit timers, dual eUSCI_A (UART/IrDA/SPI) and eUSCI_B (I²C/SPI) modules, RTC with calendar, and hardware multiplier - deployed in battery-powered sensor nodes and industrial monitoring systems.
For engineers reviewing the MSP430FR5725IRHAT datasheet, MSP430FR5725IRHAT pinout, MSP430FR5725IRHAT application, or MSP430FR5725IRHAT equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), LPM3.5 RTC current (1.5 µA), 8-MHz DCO clock accuracy, 40-pin RHA package compatibility, and TI's MSP430FR57xx family toolchain support.
Technical Context
The MSP430FR5725IRHAT implements the MSP430 CPUXV2 core with seven low-power modes, leveraging FRAM for unified program/data/storage with ECC and MPU protection. Its clock system integrates DCO (up to 8 MHz), VLO, LFXT (32 kHz crystal), and HFXT for flexible timing across active and sleep states.
Analog subsystem includes ADC10_B with internal reference and sample-and-hold (200 ksps at 100 µA), Comp_D with programmable hysteresis and voltage reference generation, and dedicated I/O pins supporting wake-up from LPMx.5. Digital peripherals feature three-channel DMA, CRC-16 engine, and dual eUSCI modules supporting simultaneous UART/I²C/SPI operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2, up to 8-MHz operation - enables deterministic real-time control with low gate count and minimal power per instruction. |
| Nonvolatile Memory | 8 KB FRAM with ECC and MPU - supports 10¹⁵ write cycles, 125 ns/word write speed, and zero-wait-state execution for firmware updates and data logging. |
| ADC Performance | 12 external + 2 internal channel, 10-bit, 200 ksps at 100 µA - delivers high-speed sensor sampling with sub-100 µA active power for multi-sensor edge nodes. |
| Low-Power Modes | LPM3.5 (RTC + crystal): 1.5 µA typical; LPM4.5 (shutdown): 0.32 µA - extends coin-cell battery life to >10 years in periodic wake-up applications. |
| Supply Range | 2.0 V to 3.6 V - compatible with single-cell Li-ion, Li-SOCl₂, and alkaline battery stacks without external regulation. |
| Package | 40-pin VQFN (RHA), 6 mm × 6 mm - provides 32 GPIOs, thermal pad for enhanced dissipation in compact industrial enclosures. |
| Operating Temperature | –40°C to +85°C - qualified for deployment in uncontrolled environments such as building automation sensors and metering endpoints. |
Pinout & Package
Package: 40-pin VQFN (RHA), 6 mm × 6 mm, exposed thermal pad (recommended connection to DVSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0.1/DMAE0/RTCCLK/A0*/CD0/VeREF- | Multi-function I/O | RTC calibration output, ADC input A0, comparator input CD0, and DMA trigger - enables time-stamped sensor acquisition with hardware synchronization. |
| 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 ratiometric measurements and PWM-triggered sampling. |
| PJ.4/XIN & PJ.5/XOUT | Clock Input/Output | Connects to 32-kHz crystal for RTC accuracy ±20 ppm - essential for calendar-based wake-up and time-of-use metering. |
| RST/NMI/SBWTDIO | Reset & Debug | Single-pin Spy-Bi-Wire debug interface - allows in-system programming and real-time debugging without dedicated JTAG header space. |
| VCORE | Core Power Supply | Internally regulated 1.8-V supply for CPU and FRAM - decouples core logic from I/O rail noise and simplifies PCB layout. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 8 KB unified memory with 10¹⁵ write endurance and 125 ns write latency - eliminates flash wear leveling overhead and enables true EEPROM-style data logging. |
| Ultra-Low-Power RTC | 1.5 µA in LPM3.5 with 32-kHz crystal - sustains accurate timekeeping for decades on a CR2032 coin cell without external RTC IC. |
| eUSCI Peripherals | Dual eUSCI_A (UART/IrDA/SPI) + eUSCI_B (I²C/SPI) - supports concurrent sensor bus (I²C), wireless module interface (UART), and local debug (SPI) without software multiplexing. |
| Hardware Acceleration | 32-bit hardware multiplier and 16-bit CRC engine - offloads math-intensive tasks (e.g., sensor fusion, checksum validation) from CPU, reducing active time by ~40%. |
| Power Management | Integrated LDO, SVS, and zero-power brownout detection - ensures reliable reset behavior across battery discharge curves without external supervisors. |
Applications
| Smart Utility Metering | Wireless Sensor Node |
|---|---|
Use Scenario: Gas/water meter with pulse counting, temperature compensation, and RF transmission every 15 minutes. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing FRAM-based log storage, and scheduling RF bursts via RTC alarm. Use Value: 1.5 µA LPM3.5 current enables >15-year battery life; 8 KB FRAM stores 10+ years of hourly consumption data without wear degradation. |
Use Scenario: Battery-powered environmental node measuring temperature, humidity, and CO₂ using I²C sensors and transmitting via BLE module. IC Role / Device Role / Timing Role: Central hub aggregating sensor data, applying calibration coefficients from FRAM, and waking BLE radio only during scheduled uploads. Use Value: Dual eUSCI interfaces allow simultaneous I²C sensor reads and UART-based BLE command framing; 0.32 µA LPM4.5 shutdown minimizes leakage between samples. |
| Industrial Condition Monitoring | Home Automation Hub |
Use Scenario: Vibration and temperature monitor on motor drives, performing FFT analysis and triggering alerts on threshold breach. IC Role / Device Role / Timing Role: Real-time signal processor using hardware multiplier for coefficient multiplication and DMA for ADC-to-FRAM transfers. Use Value: 200 ksps ADC with 100 µA consumption captures high-frequency transients; FRAM enables burst logging of raw waveform segments without flash erase delays. |
Use Scenario: Zigbee/Z-Wave gateway coordinating lighting, HVAC, and security sensors in residential settings. IC Role / Device Role / Timing Role: System manager handling protocol translation, secure key storage in protected FRAM sectors, and low-latency interrupt response for motion triggers. Use Value: MPU-enforced memory protection isolates firmware, keys, and sensor data; 32 GPIOs support direct connection to multiple peripheral interfaces without expanders. |
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 |
|---|---|---|---|
| MSP430FR5729IRHAT | 16 KB FRAM, same 40-pin RHA package, identical peripherals and pinout - differs only in FRAM capacity and device ID. | Supports larger firmware images and extended data buffers; no change required for existing board layouts or firmware architecture. | Select when firmware size exceeds 8 KB or long-term data retention beyond 8 KB is needed; drop-in replacement with full code compatibility. |
| MSP430FR5739IPW | 28-pin TSSOP (PW), 16 KB FRAM, adds DAC and enhanced comparator features - different package, pin count, and analog capability. | Requires PCB redesign; suited for cost-sensitive designs where DAC-driven actuator control is required alongside sensing. | Choose for new designs needing integrated DAC or smaller footprint; not pin-compatible - requires schematic and layout revision. |
Compared with MSP430FR5729IRHAT, the MSP430FR5725IRHAT offers identical performance and peripheral set at lower memory cost, while MSP430FR5739IPW trades pin compatibility for added analog functionality in a smaller package - making MSP430FR5725IRHAT optimal for memory-constrained, layout-locked sensor endpoints.
Availability
MSP430FR5725IRHAT is available at Aetrix Electronics and suitable for smart utility metering, wireless sensor nodes, industrial condition monitoring, and home automation hubs requiring stable component supply over extended production lifecycles.
Supply support for MSP430FR5725IRHAT 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 specializing in analog, embedded processing, and connectivity technologies, with over 90 years of innovation in power-efficient silicon design.
The MSP430FR57xx family was engineered for ultra-low-power sensing and system management in energy-constrained applications - emphasizing FRAM-based reliability, sub-µA sleep currents, and integrated analog front-ends for battery-operated infrastructure endpoints.
FAQ
What is the maximum operating frequency of the MSP430FR5725IRHAT?
The MSP430FR5725IRHAT supports a maximum system clock frequency of 8 MHz via its factory-trimmed DCO oscillator. This frequency is fully operational across the entire specified supply 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 processing tasks within the MSP430FR5725IRHAT.
Does the MSP430FR5725IRHAT support crystal oscillators for real-time clock operation?
Yes, the MSP430FR5725IRHAT supports 32-kHz crystals via PJ.4/XIN and PJ.5/XOUT pins to drive the RTC in LPM3.5 mode, achieving 1.5 µA typical current draw. This configuration provides calendar-accurate timekeeping essential for scheduled wake-up, data logging timestamps, and time-of-use billing functions in the MSP430FR5725IRHAT.
How much FRAM and RAM does the MSP430FR5725IRHAT integrate?
The MSP430FR5725IRHAT integrates 8 KB of ferroelectric RAM (FRAM) for nonvolatile program, data, and storage use, plus 1 KB of volatile SRAM for runtime variables and stack operations. The FRAM supports 10¹⁵ write cycles and 125 ns per word writes - a key differentiator of the MSP430FR5725IRHAT versus flash-based MCUs.
Which communication interfaces are available on the MSP430FR5725IRHAT?
The MSP430FR5725IRHAT includes two eUSCI_A modules (supporting UART, IrDA, and SPI) and one eUSCI_B module (supporting I²C and SPI). These interfaces operate concurrently, allowing independent sensor bus (I²C), wireless module control (UART), and local debug or configuration (SPI) - all natively supported in the MSP430FR5725IRHAT without software emulation.
Is the MSP430FR5725IRHAT pin-compatible with other devices in the MSP430FR57xx family?
Yes, the MSP430FR5725IRHAT in the 40-pin RHA package shares identical pinout and electrical characteristics with MSP430FR5721IRHAT, MSP430FR5723IRHAT, MSP430FR5727IRHAT, and MSP430FR5729IRHAT - enabling direct substitution in existing designs where FRAM size or ADC channel count permits. This compatibility is confirmed in TI's SLASE35C datasheet Figure 4-1.
MSP430FR5725IRHAT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 40-VFQFN Exposed Pad
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- 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:
- 32
- 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:
MSP430FR5725IRHAT FAQ
1.How can I place an order for MSP430FR5725IRHAT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5725IRHAT 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 MSP430FR5725IRHAT reliable?
The price and inventory of MSP430FR5725IRHAT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5725IRHAT is usually 5 days.
3.What payment methods are accepted for MSP430FR5725IRHAT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5725IRHAT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5725IRHAT?
MSP430FR5725IRHAT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5725IRHAT 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 MSP430FR5725IRHAT?
For technical support, including MSP430FR5725IRHAT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5725IRHAT requirements.
6.How does Aetrix verify that MSP430FR5725IRHAT is sourced from the original manufacturer or authorized distributors?
All MSP430FR5725IRHAT 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 MSP430FR5725IRHAT meets industry standards.
7.What is the process for return or replacement of MSP430FR5725IRHAT?
All MSP430FR5725IRHAT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5725IRHAT, 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 MSP430FR5725IRHAT part is unused and in its original packaging.
Return procedure for MSP430FR5725IRHAT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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