Texas Instruments MSP430F5152IRSBR

Overview

MSP430F5152IRSBR from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 16 KB Flash, 2 KB RAM, dual 16-bit Timer_D modules (TD0/TD1), USCI_A0 (UART/IrDA/SPI) and USCI_B0 (I²C/SPI), 10-bit 200-ksps ADC with 8 external + 2 internal channels, and 16-channel comparator. It operates from 1.8 V to 3.6 V and targets battery-powered sensor systems and digital power control.

For engineers reviewing the MSP430F5152IRSBR datasheet, MSP430F5152IRSBR pinout, MSP430F5152IRSBR application, or MSP430F5152IRSBR equivalent, key selection criteria include its 40-pin QFN (RSB) package, 5-V-tolerant I/Os with 20-mA drive, sub-5-µs wake-up from LPM3, and integrated LDO with programmable core voltage - all critical for low-power embedded timing and analog interface designs.

Technical Context

The MSP430F5152IRSBR implements a 16-bit RISC CPUXV2 core with constant generators and a 40-ns instruction cycle. Its unified clock system integrates FLL stabilization, VLO (10 kHz), REFO (32.768 kHz), and support for 32-kHz crystals (XT1) and up to 25-MHz high-frequency crystals.

Power management includes five low-power modes (LPM0–LPM4.5), programmable LDO regulation, supply voltage supervision (SVM/SVS), and brownout reset. Peripheral integration features 3-channel DMA, hardware 32-bit multiplier, CRC16 engine, and port mapping controller enabling flexible I/O remapping across P1–P3 and PJ ports.

Key Specifications

Pinout & Package

Package: 40-pin WQFN (RSB), 5 mm × 5 mm, 0.4-mm pitch, exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MSP430F5152IRSBR, the MSP430F5172IRSBR offers double Flash for complex algorithms without changing layout, while the MSP430F5152IRHBT trades I/O flexibility for compactness - making the RSB variant optimal for balanced performance, memory, and expandability in 40-pin designs.

Availability

MSP430F5152IRSBR is available at Aetrix Electronics and suitable for analog sensor systems, digital power supplies, and LED lighting applications requiring stable component supply, long-term lifecycle assurance, and TI-authorized traceability.

Supply support for MSP430F5152IRSBR 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 with emphasis on energy efficiency and system integration.

The MSP430F51x2 product line was designed for ultra-low-power sensing and measurement applications where rapid wake-up, precision analog integration, and long battery life are essential - targeting portable instrumentation, smart meters, and industrial IoT edge nodes.

FAQ

What is the maximum operating frequency of the MSP430F5152IRSBR?

The MSP430F5152IRSBR supports a maximum system clock (MCLK) of 25 MHz using an external crystal on XT1. Its DCO can be calibrated to achieve stable frequencies up to 25 MHz, and the FLL ensures precise frequency stabilization across voltage and temperature variations - enabling high-speed signal processing while maintaining ultra-low-power operation in the MSP430F5152IRSBR.

Does the MSP430F5152IRSBR support hardware UART with automatic baud-rate detection?

Yes, the MSP430F5152IRSBR's USCI_A0 module includes enhanced UART mode with automatic baud-rate detection, allowing reliable communication initialization without prior knowledge of the remote device's baud rate. This feature is implemented in hardware and requires no CPU intervention - improving robustness in MSP430F5152IRSBR-based host-to-peripheral links.

How many ADC input channels does the MSP430F5152IRSBR support?

The MSP430F5152IRSBR supports up to 8 external analog input channels (A0–A5, plus two additional pins configurable as A6/A7) and 2 internal channels (temperature sensor and VREF). All 10 channels are accessible through the 10-bit ADC10_A module, which includes sample-and-hold and autoscan - confirmed in the MSP430F5152IRSBR datasheet Section 5.38.

Is the MSP430F5152IRSBR pin-compatible with other devices in the MSP430F51x2 family?

Yes, the MSP430F5152IRSBR in the 40-pin RSB package shares identical pinout and signal mapping with MSP430F5172IRSBR and MSP430F5132IRSBR. All three devices support the same peripheral functions on corresponding pins, enabling hardware reuse across memory variants - a documented design feature of the MSP430F5152IRSBR family.

What power modes are available on the MSP430F5152IRSBR and what are their typical current draws?

The MSP430F5152IRSBR offers five low-power modes: LPM0 (2.5 µA), LPM1 (1.5 µA), LPM3 (1.1 µA), LPM4 (0.9 µA), and LPM4.5 (0.25 µA) - all measured at 3 V. These modes disable selected clocks and peripherals while retaining RAM and register states, enabling optimized energy use per application phase in the MSP430F5152IRSBR.