MSP430G2302IPW20R 16-bit Low-Power Microcontroller, 20-Pin

MSP430G2302IPW20R Overview

The MSP430G2302IPW20R is a low-power, 16-bit microcontroller in a 20-pin package. It targets battery-powered and cost-sensitive industrial designs that require simple control, timing, and serial interfacing. The device supports a wide supply range and industrial temperature ratings for robust field use. Its compact package and modest peripheral set make it suitable where lower pin count and minimal BOM are priorities. For sourcing and distribution information see IC Manufacturer.

MSP430G2302IPW20R Technical Specifications

MSP430G2302IPW20R Key Features

• 16-bit RISC core ?? delivers deterministic instruction timing and compact code for efficient control tasks.
• Low-voltage operation ?? runs from 1.8 V to 3.6 V, enabling single-cell and multi-cell battery designs without extra regulators.
• Small 20-pin package ?? reduces PCB area and BOM cost compared with larger MCUs while maintaining essential I/O.
• Ultra-low-power modes ?? multiple low-power states help extend battery life in duty-cycled applications.
• Built-in 16-bit timer ?? supports precise pulse generation, PWM and accurate timing for motor, LED, and sensor tasks.
• USI serial module ?? supports UART and SPI, allowing simple integration with sensors and wireless modules.

Typical Applications

• Battery-powered sensor nodes where low standby current and 1.8 V to 3.6 V operation reduce power conversion complexity and extend runtime in remote deployments.
• Simple motor or actuator control with single 16-bit Timer_A, offering accurate PWM generation and timing for small motors or valves in compact control modules.
• Human-machine interfaces with limited I/O and code size, for example keypad scanning, LED drivers, and basic debouncing in consumer and industrial panels.
• Serially connected sub-systems that require UART or SPI bridging, such as sensor front-ends, display drivers, or wireless transceivers in constrained-space assemblies.

MSP430G2302IPW20R Advantages vs Typical Alternatives

The MSP430G2302IPW20R combines a 16-bit core with very low supply requirements and an industrial temperature range, making it more power-efficient and more tolerant of field conditions than many 8-bit alternatives. Its 20-pin TSSOP package reduces PCB footprint compared with 28-pin devices while keeping essential I/O and timer functions. In designs where code density, low-power sleep, and simple serial connectivity matter, this device offers a smaller, lower-power, and typically lower-cost solution than larger MCUs with similar timing and serial features. Use the device to simplify board layout and power management without sacrificing core timing accuracy.

MSP430G2302IPW20R Brand Info

The MSP430 family is produced by Texas Instruments, a long-standing supplier of analog and embedded processing. TI positions this part for low-power, cost-sensitive embedded control tasks. The brand emphasizes long-term availability, industrial-grade operation, and broad development support for rapid prototyping and production.

FAQ

What is the voltage range?

The device operates from 1.8 V to 3.6 V. This range supports single-cell lithium and many coin-cell chemistries without additional step-up converters, simplifying power architecture in compact designs.

Which package does it use?

This part comes in a 20-pin TSSOP package (PW20). The 20-pin footprint reduces PCB area compared with larger packages and helps minimize component cost for space-constrained products.

Does it support UART or SPI?

Yes. The device includes a USI serial interface that supports UART and SPI communication modes. This enables simple connection to serial sensors, transceivers, and peripheral ICs with minimal firmware complexity.

What temperature range is guaranteed?

The industrial-grade device is specified for operation from -40 ??C to +85 ??C. That range suits a wide set of industrial, consumer, and outdoor applications exposed to ambient extremes.

How much program memory is available?

The microcontroller provides 2 KB of on-chip Flash memory, which is suitable for compact control firmware and bootloader tasks while keeping silicon footprint and cost low for simple embedded systems.