MSP430F149IPMR: Ultra-Low-Power 16-bit MCU

October 28, 2025
MSP430F149IPMR

In today’s energy-conscious embedded systems, microcontrollers must balance ultra-low power consumption, high processing efficiency, and rich analog features. The MSP430F149IPMR from Texas Instruments offers all of this and more. Designed for high-performance, low-power embedded applications, it delivers robust functionality with extended battery life in a compact form factor.

This post introduces the key technical specifications, real-world applications, and how DRex Electronics can support your sourcing needs for the MSP430F149IPMR.

 

What is MSP430F149IPMR?

The MSP430F149IPMR is a member of the MSP430 family—TI’s renowned line of ultra-low-power 16-bit RISC microcontrollers. It features a power-efficient CPU, multiple 16-bit timers, high-performance ADC, UART/SPI/I²C interfaces, and ample flash/RAM, all optimized for low-power, high-accuracy applications.

Packaged in a 64-pin LQFP (PMR), this MCU is ideal for compact embedded systems needing long battery life and real-time performance.

🔍 Explore more Texas Instruments components at DRex Electronics
📩 Request a quote for MSP430F149IPMR

 

MSP430F149IPMR Technical Specifications

Feature Specification
Core 16-bit RISC CPU
Operating Frequency Up to 8 MHz
Flash Memory 60 KB
SRAM 2 KB
ADC 12-bit ADC, 8 channels
Timers 2 × 16-bit Timer_A, 1 × Timer_B
Serial Interfaces UART, SPI, I²C
Watchdog Timer Yes
I/O Pins 48 programmable GPIOs
Operating Voltage 1.8V to 3.6V
Low Power Modes 5 low-power modes (including LPM4)
Package 64-pin LQFP (PMR)
Temperature Range -40°C to +85°C (Industrial Grade)

📄 View the official MSP430F149 datasheet (TI) (external)
🧰 Download Code Composer Studio™ IDE (external)

 

Key Features & Benefits

🔋 Ultra-Low Power Design

Engineered with TI’s proprietary ultra-low power technology, the MSP430F149IPMR achieves:

  • Wake-up in less than 6 µs

  • Operating current < 250 µA/MHz

  • Standby current < 1 µA

This makes it ideal for battery-powered and energy-harvesting devices that need to run for years without maintenance.

🧠 Flexible Memory & Processing

With 60 KB flash and 2 KB SRAM, this MCU supports complex embedded routines, data logging, and wireless protocol stacks while maintaining power efficiency.

🎯 High-Precision Analog Features

The built-in 12-bit ADC allows precise monitoring of sensor data, voltages, and currents—essential for medical, industrial, and power monitoring systems.

🔌 Multiple Serial Interfaces

The MSP430F149IPMR supports UART, SPI, and I²C, enabling flexible connectivity to displays, sensors, and communication modules.

 

Typical Applications for MSP430F149IPMR

The MSP430F149IPMR is used across industries where energy efficiency, precise analog input, and compact size are mission-critical.

🏭 Industrial Monitoring & Automation

  • Wireless sensor nodes

  • Machine health diagnostics

  • Temperature, pressure, and vibration sensing

🧪 Medical Devices

  • Portable diagnostic tools

  • Heart rate monitors

  • Blood pressure monitoring units

Energy Metering & Power Management

  • Smart meters

  • Battery monitors

  • Solar and EV charge controllers

📟 Consumer & Portable Electronics

  • Wearables and fitness trackers

  • Digital thermometers and data loggers

  • Smart remote controls

🧩 Looking for ultra-low power MCUs? Check out our MSP430 family inventory

 

MSP430F149IPMR vs. Other MSP430 Devices

Feature MSP430F149IPMR MSP430F2274 MSP430G2553
Flash 60 KB 32 KB 16 KB
SRAM 2 KB 1 KB 512 B
ADC Resolution 12-bit 10-bit 10-bit
Operating Voltage 1.8V – 3.6V 1.8V – 3.6V 1.8V – 3.6V
GPIOs 48 32 24
Target Use Case Industrial/Medical Wearables/Consumer Entry-level MCU

🧠 Need help selecting an alternative or upgrade? Get in touch with DRex technical experts

 

Development Tools & Ecosystem

🧰 Code Composer Studio™ (CCS)

  • TI’s official Eclipse-based IDE for MSP430 development

  • Supports low-power debugging and energy analysis

  • Free and scalable for commercial use

🔧 MSP430 Development Kits

  • MSP430F149 target boards from third parties

  • LaunchPad kits for compatible MSP430 devices

  • Easy integration with TI’s EnergyTrace™ for profiling

🔧 Need help sourcing dev boards or JTAG programmers? Contact DRex for support

 

Why Source MSP430F149IPMR from DRex Electronics?

At DRex Electronics, we provide:

  • ISO 9001-certified global sourcing

  • 🧩 Support for hard-to-find or legacy TI parts

  • 📦 Fast delivery across North America, Europe, and Asia

  • 🔄 Flexible quantities — from prototypes to full production

  • 🧠 Expert help for part matching and BOM verification

Whether you’re developing a new energy-efficient sensor node or maintaining an existing product line, DRex ensures you receive authentic, quality-tested components like the MSP430F149IPMR on time and within budget.

📩 Request a quote for MSP430F149IPMR
🔍 Or explore more Texas Instruments microcontrollers

 

Conclusion

The MSP430F149IPMR offers a unique combination of ultra-low power, real-time control, and analog integration, making it a leading choice for developers building precision-focused embedded devices. With 60 KB of flash, a 12-bit ADC, and extensive GPIO support, it powers applications ranging from wearable tech to smart industrial monitors.

Backed by DRex Electronics’ global sourcing network, technical insight, and logistics expertise, your project is set up for both success and scale.