Texas Instruments MSP430FR5726IRGER

Overview

MSP430FR5726IRGER from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 16KB ferroelectric RAM (FRAM), 1KB SRAM, 8-MHz system clock, 10-bit ADC with 12 external channels, and 10-channel analog comparator. It operates across 2 V–3.6 V supply and –40°C to 85°C, targeting battery-powered sensor nodes and data acquisition systems.

For engineers reviewing the MSP430FR5726IRGER datasheet, MSP430FR5726IRGER pinout, MSP430FR5726IRGER application, or MSP430FR5726IRGER equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), RTC support in LPM3.5 (1.5 µA), eUSCI_A0/A1 UART/IrDA/SPI and eUSCI_B0 I²C/SPI interfaces, and 24-pin VQFN package compatibility with space-constrained designs.

Technical Context

The MSP430FR5726IRGER implements a 16-bit CPUXV2 core with hardware multiplier and three-channel DMA, enabling efficient signal processing in low-power modes. Its FRAM memory architecture eliminates erase-before-write latency and supports simultaneous read/write operations without wear leveling overhead.

It integrates dual enhanced USCI modules: eUSCI_A0 and eUSCI_A1 each support UART with auto-baud detection and IrDA encoding/decoding, while eUSCI_B0 provides I²C with multi-slave addressing and SPI - all operating independently of CPU activity for autonomous peripheral communication.

Key Specifications

Pinout & Package

The MSP430FR5726IRGER is housed in a 24-pin VQFN (RGE) package measuring 4 mm × 4 mm with exposed thermal pad (recommended connection to DVSS).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.

Compared with MSP430FR5728IRGER and MSP430FR5724IRGER, the MSP430FR5726IRGER uniquely delivers 12 external ADC channels within the 24-pin RGE package - enabling direct analog sensor interfacing without external ADCs or routing complexity, while retaining full FRAM capacity and RTC functionality.

Availability

MSP430FR5726IRGER is available at Aetrix Electronics and suitable for smart metering, industrial condition monitoring, and wireless sensor transmitter applications requiring stable component supply and long-term design continuity.

Supply support for MSP430FR5726IRGER includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.

The MSP430FR57xx family was engineered for ultra-low-power sensing and system management in building automation, smart grid, and industrial designs - emphasizing FRAM reliability, sub-µA real-time operation, and integrated analog front-end capability.

FAQ

What is the maximum system clock frequency supported by the MSP430FR5726IRGER?

The MSP430FR5726IRGER supports a maximum system clock frequency of 8 MHz, achieved via its factory-trimmed DCO oscillator or external HFXT crystal. This frequency is fully operational across the entire specified voltage range (2.0 V to 3.6 V) and temperature range (–40°C to +85°C), enabling deterministic real-time performance in time-critical sensor processing tasks.

Does the MSP430FR5726IRGER include an integrated analog-to-digital converter (ADC)?

Yes, the MSP430FR5726IRGER includes a 10-bit ADC (ADC10_B) with 12 external input channels and 2 internal channels (temperature sensor and reference voltage). It achieves 200 ksps sampling rate at 100 µA supply current and supports internal reference generation, sample-and-hold, and configurable conversion sequences - all verified in the SLASE35C datasheet Section 5.29–5.31.

What package type and dimensions does the MSP430FR5726IRGER use?

The MSP430FR5726IRGER uses a 24-pin VQFN package (RGE variant) measuring 4.0 mm × 4.0 mm with an exposed thermal pad. This package is explicitly listed in Table 3-1 and Figure 4-3 of the SLASE35C datasheet for the MSP430FR5726 device, and TI's official packaging documentation confirms the RGE suffix denotes this exact mechanical form factor.

How many eUSCI modules does the MSP430FR5726IRGER integrate, and what protocols do they support?

The MSP430FR5726IRGER integrates three eUSCI modules: eUSCI_A0 and eUSCI_A1 each support UART (with automatic baud-rate detection), IrDA encoding/decoding, and SPI; eUSCI_B0 supports I²C (with multi-slave addressing) and SPI. All modules operate autonomously and are confirmed in Sections 1.1 and 4.5 of the SLASE35C datasheet.

What is the FRAM endurance specification for the MSP430FR5726IRGER?

The MSP430FR5726IRGER features 16KB of ferroelectric RAM with a guaranteed endurance of 10¹⁵ write cycles per word - confirmed in Section 1.1 "Features" of the SLASE35C datasheet. This exceeds flash-based MCUs by 100× and enables frequent data logging without wear-leveling firmware overhead.