MSP430F5503IRGZR 16-bit Low-Power Microcontroller (IRGZR Package)

MSP430F5503IRGZR Overview

The MSP430F5503IRGZR is a low?power, 16?bit microcontroller optimized for battery?sensitive and USB?enabled embedded systems. It combines a compact package with integrated analog and digital peripherals to reduce board area and component count. Designers benefit from flexible power modes, fast wakeups, and on?chip peripherals that simplify mixed?signal designs. For sourcing and component details visit IC Manufacturer.

MSP430F5503IRGZR Technical Specifications

MSP430F5503IRGZR Key Features

• One core: a 16?bit RISC core delivers efficient code density and fast interrupt handling for real?time control.
• Integrated USB: includes a full?speed USB 2.0 device controller, enabling direct connection to hosts without external PHYs.
• Low?power operation: multiple power modes and fast wakeup reduce average consumption in battery?powered designs.
• Mixed?signal integration: on?chip ADC, timers, and comparators reduce parts count and simplify PCB layout.

Typical Applications

• Portable medical devices that require low standby currents, reliable analog measurement, and occasional USB data transfer to hosts or PCs.
• Battery?powered industrial sensors where long sleep intervals, fast wakeups, and compact packaging reduce maintenance and board area.
• Consumer peripherals such as USB input devices and small human?interface products that need full?speed USB and low BOM cost.
• Embedded control modules in HVAC or appliance systems where mixed?signal processing and multiple timers simplify control algorithms.

MSP430F5503IRGZR Advantages vs Typical Alternatives

The device stands out for a combination of low power and USB integration, offering more onboard peripherals than many basic 8?bit controllers and lower active and standby currents than many 32?bit parts at similar clock rates. Its compact QFN package provides more I/O per mm2 compared with larger packages, while the MSP430 core gives improved code density and deterministic interrupt latency versus some competing microcontrollers.

MSP430F5503IRGZR Brand Info

The MSP430F5503IRGZR is produced by Texas Instruments, a global semiconductor company known for analog and mixed?signal integrated circuits. TI??s MSP430 family focuses on ultra?low power microcontrollers for embedded and battery?operated applications, supported by a wide ecosystem of development tools and documentation.

FAQ

What core does it use?

It uses a 16?bit MSP430 RISC core designed for low power and efficient code density. This core supports fast wakeup and precise interrupt handling for real?time applications.

Does it support USB connectivity?

Yes. The part includes a full?speed USB 2.0 device controller, enabling direct USB host connections for data transfer and device communication without external USB controller ICs.

What power supply is required?

The device operates from a single supply in the 1.8 V to 3.6 V range. Designers can use standard single?cell Li?ion or regulated 3.3 V supplies commonly used in embedded systems.

Which package type is IRGZR?

IRGZR is the manufacturer package code for a small, low?profile QFN package offering a high I/O count in a compact footprint suited to space?constrained designs.

Where can I find development support?

Texas Instruments provides application notes, example code, and development kits for the MSP430 family. Developers can access reference manuals and software libraries to speed prototype and production development.