MSP430FR5739IDAR 16-bit FRAM Microcontroller IDAR Package

MSP430FR5739IDAR Overview

The MSP430FR5739IDAR is a low-power, 16-bit microcontroller built on FRAM nonvolatile memory technology. It combines a single 16-bit MSP430 core with integrated mixed-signal peripherals and serial interfaces to serve sensing, metering, and battery-powered industrial applications. The device supports a wide supply range and low active and standby currents for longer battery life and fast nonvolatile writes for data logging. For sourcing and more product resources, see IC Manufacturer.

MSP430FR5739IDAR Technical Specifications

MSP430FR5739IDAR Key Features

• Single 16-bit MSP430 core delivering balanced processing for control tasks while minimizing power consumption.
• FRAM nonvolatile memory enabling fast writes and high endurance for frequent data logging without write delays typical of flash.
• Wide supply range (1.8?C3.6 V) that supports battery systems and multiple power domains for flexible system design.
• Integrated mixed-signal peripherals (ADC, comparators, timers) for tighter sensor integration and fewer external components.
• Multiple serial interfaces for straightforward connectivity to sensors, displays, and host controllers using UART, SPI, or I2C.
• Low active and standby currents that extend battery life and reduce thermal stress in compact industrial designs.

Typical Applications

• Battery-powered industrial sensors where low standby current and fast FRAM writes enable long-term data logging and frequent state saves without power penalty.
• Smart metering endpoints that require robust nonvolatile storage and quick write cycles for meter readings, tamper logs, and configuration retention.
• Portable medical monitors that need compact mixed-signal capability and precise ADC measurements with minimal external components for reliable patient data acquisition.
• Embedded control nodes in building automation where serial connectivity, timers, and low-power modes allow coordinated control with extended maintenance intervals.

MSP430FR5739IDAR Advantages vs Typical Alternatives

The FRAM-based microcontroller offers faster nonvolatile writes and higher endurance compared with many flash-based alternatives, enabling frequent data logging without wear concerns. Its single 16-bit core and multiple low-power modes deliver lower active and standby currents compared to some 32-bit controllers in similar roles. Integration of ADCs, comparators, timers, and multiple serial interfaces reduces external BOM and simplifies board layout for compact industrial designs.

MSP430FR5739IDAR Brand Info

The MSP430FR5739IDAR is part of Texas Instruments’ MSP430 family of ultra-low-power microcontrollers. TI positions these devices for embedded sensing and control where low energy use, reliable nonvolatile memory, and broad peripheral integration matter most to engineers and sourcing teams.

FAQ

What type of memory does it use?

The device uses FRAM (ferroelectric RAM) as its primary nonvolatile memory, offering fast write times and high endurance for repeated data storage compared with conventional flash memory.

What supply voltage range is supported?

This microcontroller supports a 1.8 V to 3.6 V supply range, allowing compatibility with common battery chemistries and standard system rails in portable and industrial applications.

What is the maximum operating frequency?

The core can run up to 16 MHz, providing a balance of processing capability and power efficiency for control, measurement, and communication tasks in embedded systems.

Which serial interfaces are available?

The device includes multiple eUSCI modules capable of UART, SPI, and I2C operation, enabling flexible connections to sensors, displays, and host processors without additional bridge ICs.

Is it suitable for low-temperature industrial use?

The device supports an industrial temperature range down to -40 ??C and up to +85 ??C, making it suitable for many harsh-environment embedded applications where extended temperature tolerance is required.