Overview of the MSP430G2452IRSA16R Ultra-Low Power Microcontroller
The MSP430G2452IRSA16R from Texas Instruments is a mixed-signal microcontroller designed for applications requiring ultra-low power consumption and efficient processing. Part of the MSP430 family, it excels in extending battery life in portable systems. Featuring a 16-bit RISC CPU, flash memory, and peripherals like a 10-bit ADC and communication interfaces, it suits low-cost sensor systems that capture analog data, convert it to digital, and process for display or transmission. For reliable semiconductor solutions, visit IC Manufacturer.
Key Features and Benefits of the MSP430G2452IRSA16R
This microcontroller offers five power-saving modes and a fast wake-up time under 1 ??s, ensuring efficiency. Its capacitive-touch enabled I/O pins support touch-based interfaces, while the onboard comparator aids analog signal tasks. A brownout detector ensures stable operation, and serial programming requires no extra voltage. Code security is provided via a fuse. These features make it a top pick for developers balancing performance and power efficiency in compact designs.
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Why Choose This Microcontroller Over Alternatives
Compared to typical microcontrollers, the MSP430G2452IRSA16R excels with its ultra-low power draw of 220 ??A in active mode at 1 MHz and 2.2 V, significantly lower than many competitors. This extends battery life in portable applications, reducing maintenance costs. The integrated 10-bit ADC at 200 ksps delivers precise analog-to-digital conversion without external components, simplifying designs and saving board space. Its 16 MHz speed ensures fast real-time processing, outperforming slower alternatives, while the compact VQFN package fits space-constrained projects. Backed by Texas Instruments’ expertise, it offers unmatched value for energy-efficient designs.
Technical Parameters of the MSP430G2452IRSA16R
The following specifications highlight the microcontroller??s capabilities for diverse applications, ensuring performance and efficiency.
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| Mode | Current (Typical) | Voltage | Description |
|---|---|---|---|
| Active | 220 ??A | 2.2 V at 1 MHz | Full operation |
| Standby | 0.5 ??A | – | Low-power wait |
| Off (RAM Retention) | 0.1 ??A | – | Minimal power, data retained |
| Parameter | Value |
|---|---|
| CPU Frequency | Up to 16 MHz |
| Flash Memory | 8 KB |
| SRAM | 256 B |
| ADC | 10-bit, 200 ksps |
| Timer | 16-bit Timer_A with 3 capture/compare registers |
| Communication | USI for SPI and I2C |
| I/O Pins | Up to 16, capacitive-touch enabled |
| Supply Voltage | 1.8 V to 3.6 V |
| Package | VQFN-16 (RSA) |
- Architecture: 16-Bit RISC, 62.5-ns instruction cycle time
- Clock Module: Internal up to 16 MHz, calibrated frequencies, LF oscillator, 32-kHz crystal, external clock
- Comparator: On-chip for slope A/D conversion
- Brownout Detector: Ensures stable operation
- Programming: Serial onboard, no extra voltage needed
- Emulation: On-chip with Spy-Bi-Wire
Typical Applications for Ultra-Low Power MCUs
This microcontroller shines in low-cost sensor systems, capturing analog signals via its ADC, converting them to digital, and processing for output or transmission. It??s ideal for portable measurement tools, extending battery life significantly. Capacitive touch applications, such as buttons or sliders, leverage its I/O pins for user interfaces. In medical devices like heart-rate monitors, it amplifies and filters signals before sampling. It supports boost converters running on 1.5 V from a single AA battery and enables digital filtering algorithms for signal processing. Real-time clock applications benefit from its low-power oscillator.
Texas Instruments: A Trusted Name in Semiconductors
Texas Instruments (TI) is a global leader in semiconductor innovation, with the MSP430 family renowned for ultra-low-power performance. TI supports developers with comprehensive tools, including datasheets and development kits like the LaunchPad, easing integration. Their focus on mixed-signal technology ensures reliable, efficient solutions for modern electronics challenges.
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Frequently Asked Questions
What is the primary function of this microcontroller?
The MSP430G2452IRSA16R serves as a mixed-signal microcontroller for ultra-low-power applications. It efficiently processes digital and analog signals using its 10-bit ADC for data conversion and timers for control tasks. Ideal for battery-powered devices, it ensures long operation, making it a favorite for engineers needing reliable, energy-efficient solutions.
How does its power efficiency benefit my project?
Drawing only 220 ??A in active mode and 0.1 ??A in off mode, this MCU extends battery life in portable systems. This efficiency is critical for sensor applications running without frequent recharges, reducing costs and enhancing reliability in remote or wearable devices compared to higher-power alternatives.
Which applications are best suited for this MCU?
It excels in low-cost sensor systems, capturing and processing analog data for transmission. Portable measurement tools benefit from its power efficiency. Capacitive touch interfaces, like switches, use its I/O pins. Heart-rate monitors leverage the ADC for precise signal handling, ideal for medical and consumer electronics.
What is the package type for the IRSA16R variant?
The IRSA16R features a 16-pin VQFN package, compact for space-constrained designs. The RSA type supports surface-mount assembly, streamlining production. Supplied in reels for high-volume manufacturing, it ensures compatibility with automated processes while maintaining full functionality.
How is this microcontroller programmed?
It supports serial onboard programming without extra voltage, using the Spy-Bi-Wire interface for emulation and debugging. Texas Instruments provides tools like the LaunchPad kit for development. Code security is ensured with a fuse option, simplifying the process from prototyping to production for engineers.
