MSP430FR5725IRHAT Overview
The MSP430FR5725IRHAT is a low?power, 16?bit microcontroller designed for sensor and metering applications that need nonvolatile memory with fast, deterministic write speed. It combines ultra?low active and standby current with embedded FRAM for high write endurance and immediate data retention. The device offers multiple integrated analog and digital peripherals to reduce external components and system cost. For sourcing and additional supplier details see IC Manufacturer.
MSP430FR5725IRHAT Technical Specifications
| CPU | 16?bit MSP430 RISC core |
| Maximum clock | 16 MHz |
| Nonvolatile memory (FRAM) | 16 KB |
| SRAM | 2 KB |
| Operating voltage | 1.8 V to 3.6 V |
| ADC resolution | 12?bit |
| General?purpose I/O | Up to 48 pins |
| Package | 64?pin LQFP (industrial, -40 ??C to 85 ??C) |
| Temperature range | -40 ??C to +85 ??C |
| Peripherals | Multiple timers, UART, SPI, I2C |
| Low?power modes | Multiple LPMs for optimized sleep current |
| On?chip comparator | Integrated analog comparator |
MSP430FR5725IRHAT Key Features
- FRAM nonvolatile memory ?? supports frequent writes with higher endurance than typical flash, reducing wear and system maintenance.
- Ultra?low power architecture ?? multiple low?power modes enable battery operation for months or years in intermittent sensing setups.
- Integrated 12?bit ADC ?? delivers finer analog resolution for sensor interfaces when compared to 8? or 10?bit alternatives.
- Rich peripheral set ?? on?chip UART, SPI and I2C buses allow direct connection to sensors and radios, reducing BOM count and board area.
Typical Applications
- Precision metering and utility metering where frequent logging and nonvolatile storage are required and where long write endurance reduces field maintenance cost.
- Battery?operated sensor nodes that require low active and standby current plus deterministic nonvolatile writes for state retention after power events.
- Industrial control interfaces that need combined analog inputs, comparators and multiple communication buses to connect to sensors and host controllers.
- Portable instrumentation and handheld devices that demand compact integration of MCU, ADC and multiple serial interfaces to minimize overall system size and power drain.
MSP430FR5725IRHAT Advantages vs Typical Alternatives
The device delivers a superior endurance and faster nonvolatile writes because it uses FRAM rather than flash memory, which matters when writes are frequent. Its ultra?low current consumption in active and sleep modes gives better battery life versus many 8? or 32?bit MCUs with higher idle power. Integrated ADC, timers and serial interfaces reduce external components and lower BOM cost and board complexity. The 16?bit core balances computational efficiency and code density for compact embedded firmware.
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MSP430FR5725IRHAT Brand Info
The MSP430FR5725IRHAT is a member of Texas Instruments’ MSP430 family. Texas Instruments is a global semiconductor manufacturer known for low?power microcontrollers, analog ICs and power management. The MSP430 series emphasizes energy efficiency, mixed?signal integration and FRAM memory options for robust embedded applications.
FAQ
What memory type does it use?
This device uses embedded FRAM (ferroelectric RAM) as its nonvolatile storage. FRAM provides fast write speeds and high endurance compared to conventional flash memory, making it suitable for frequent data logging and state save operations.
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What supply voltage range is supported?
The operating supply range is 1.8 V to 3.6 V. This range supports common battery chemistries and system rails, enabling direct connection to single?cell lithium or regulated 3.3 V systems without additional level shifting.
Can it run from battery for long periods?
Yes. The architecture includes multiple low?power modes and extremely low standby currents. This enables months or years of battery life in duty?cycled sensing or intermittent transmission designs when configured properly.
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Which communication interfaces are available?
The device integrates standard serial interfaces including UART, SPI and I2C. These buses allow direct connection to sensors, external memories and wireless modules, reducing the need for external bridge chips.
Is the ADC suitable for sensor measurement?
Yes. The on?chip 12?bit ADC provides higher resolution than 8?bit converters, enabling more precise sensor measurements. Combined with integrated comparators and timers, it supports common analog sensing topologies and signal conditioning.