MSP430G2402IPW20 16-Bit Microcontroller, 20-Pin IPW20 Package

MSP430G2402IPW20 Overview

The MSP430G2402IPW20 is an ultra-low-power, 16-bit microcontroller that targets space-constrained industrial and sensor applications. It combines a compact 20-pin TSSOP package with a single 16?bit CPU, low-voltage operation and a small peripheral set optimized for simpler embedded tasks. The device offers a balance of low active and standby currents, simple serial interface options, and a 1.8?C3.6 V supply window, making it better suited for battery-powered designs than many larger microcontrollers. Learn more through IC Manufacturer.

MSP430G2402IPW20 Technical Specifications

MSP430G2402IPW20 Key Features

• 16?bit RISC core ?? delivers efficient code density and faster control-loop execution than many 8?bit parts.
• Low-voltage operation ?? runs from 1.8?C3.6 V, which matters for single-cell battery and energy-harvesting systems.
• Compact 20?pin TSSOP ?? reduces PCB area compared with larger packages while retaining up to 16 GPIOs.
• USI serial module ?? supports UART, SPI and I2C, enabling flexible sensor and peripheral interfacing without extra components.
• Small flash and RAM ?? 2 KB flash and 128 B RAM provide enough program and data storage for control firmware with less BOM cost.
• Low-power modes ?? deep sleep currents allow longer battery life and better standby efficiency than many general-purpose MCU options.

Typical Applications

• Battery-powered sensor nodes that require long standby life and periodic wake-up for measurement and transmission tasks.
• Simple metering and portable instruments where compact package size and low supply voltage extend runtime and reduce board area.
• Consumer controls and user interfaces using a few buttons and LEDs, leveraging the low-pin-count package and integrated timer.
• Industrial monitoring endpoints that need robust temperature range and deterministic timing but do not require high memory capacity.

MSP430G2402IPW20 Advantages vs Typical Alternatives

The device is optimized for power-sensitive projects and small-form-factor designs. Compared with typical 8?bit microcontrollers, it offers a wider data path and more efficient instruction density via its 16?bit core. Against larger MCUs, it uses fewer pins and less memory, which lowers BOM and footprint while retaining key peripherals like a 16?bit timer and a multi?mode USI. Its 1.8?C3.6 V range and industrial temperature rating make it more suitable for single-cell and harsh-environment deployments than many consumer-only alternatives.

MSP430G2402IPW20 Brand Info

MSP430G2402IPW20 is a member of Texas Instruments’ MSP430 microcontroller family. TI positions the MSP430 line for ultra-low-power embedded applications, mixing efficient 16?bit processing with compact packaging and long standby performance suited to battery-operated and industrial devices.

FAQ

What is the core architecture?

The MCU uses a 16?bit RISC core designed for compact code and efficient control tasks. This architecture typically yields better computational density than many 8?bit alternatives for embedded control loops.

What supply voltage is required?

The device operates over a low-voltage range of 1.8?C3.6 V, allowing direct use with single-cell lithium or alkaline sources and enabling longer runtime in battery-powered systems.

How many I/O lines are available?

The 20?pin TSSOP package exposes up to 16 programmable general-purpose I/O pins. That count supports multiple sensors, LEDs and simple human?machine interfaces without external expanders.

Which serial protocols are supported?

The integrated USI module supports common serial protocols such as UART, SPI and I2C, providing flexible connectivity to sensors, memory, and radio modules without many extra components.

Is the device suitable for harsh environments?

Yes. The specified industrial temperature range of -40 ??C to +85 ??C makes this device suitable for many field and industrial monitoring applications that experience wide temperature swings.