MSP430A151IRHBT 16-bit MSP430 Microcontroller IC – IRHBT Package

MSP430A151IRHBT Overview

The MSP430A151IRHBT is a compact, low-power 16-bit microcontroller from the MSP430 family designed for energy?sensitive embedded systems. It combines a 16?bit RISC CPU with modest on?chip memory and a small pin count to deliver efficient control in constrained designs. The device targets battery?powered and space?limited applications that need predictable timing and minimal standby draw. For component sourcing and detailed procurement data visit IC Manufacturer.

MSP430A151IRHBT Technical Specifications

MSP430A151IRHBT Key Features

• 16?bit RISC core with compact instruction set for efficient code density and predictable timing.
• Small on?chip Flash and SRAM that reduce external memory needs, enabling lower BOM cost and smaller PCB area.
• Ultra?low standby currents for longer battery life in portable and remote devices, improving energy efficiency.
• Wide supply range (1.8?C3.6 V) for compatibility with common battery chemistries and regulated rails.
• 20?pin package option that eases integration into tight mechanical envelopes and supports faster board layout.
• Multiple low?power modes that simplify power management and extend field operation time.
• Deterministic peripheral timing useful for sensor sampling, duty?cycled communications, and precise control loops.

Typical Applications

• Battery?powered sensor nodes requiring long standby life and occasional active measurements with minimal power draw over months or years.
• Handheld instruments and compact meters where small package size and low BOM cost are critical for volume production and compact form factors.
• Simple motor controls and appliance interfaces that need predictable 16?bit timings and a small number of GPIOs for user inputs and outputs.
• Portable medical and wearable devices that depend on ultra?low standby consumption and a wide supply voltage range for different battery types.

MSP430A151IRHBT Advantages vs Typical Alternatives

The device offers a tighter balance of power, size, and cost compared with larger microcontrollers. Its 16?bit core gives more arithmetic headroom than 8?bit parts, while the small Flash and SRAM footprint lowers unit cost and board space versus full?featured MCUs. Low standby currents and a wide supply range make it preferable for compact, battery?operated systems where extending run time and minimizing component count are priorities.

MSP430A151IRHBT Brand Info

The MSP430 series is a product line from Texas Instruments. This part carries the brand??s focus on low?power microcontrollers optimized for embedded control. The family emphasizes energy efficiency, predictable real?time behavior, and broad tooling support for rapid development and reliable production.

FAQ

What core does it use?

The device uses a 16?bit RISC CPU architecture common to the MSP430 family, offering efficient code density and deterministic instruction timing for embedded control tasks.

What is the supply voltage?

The specified operating range covers 1.8 V to 3.6 V, enabling direct operation from common single?cell batteries or regulated 3.3 V rails in compact designs.

How much memory is available?

The MCU provides 1 KB of on?chip Flash for program storage and 128 bytes of RAM for runtime data, suitable for compact firmware and simple control logic.

Which package is supplied?

The part is offered in a 20?pin small outline package (IRHBT suffix indicates the package and tape?and?reel option), suitable for automated assembly and space?limited PCBs.

Is it suitable for low?power designs?

Yes. The device supports multiple low?power modes and has sub?microamp standby behavior, making it well suited for long?lived battery applications and energy?constrained embedded systems.