Texas Instruments MSP430F5419IPZ

Overview

MSP430F5419IPZ from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 128 KB Flash, 16 KB RAM, three 16-bit timers (TA0/TA1/TB0), a 12-bit ADC with 14 external + 2 internal channels, four USCI modules (2 UART/IrDA/SPI + 2 I²C/SPI), and RTC functionality - deployed in battery-powered sensor systems and digital timers requiring sub-µA standby current.

For engineers reviewing the MSP430F5419IPZ datasheet, MSP430F5419IPZ pinout, MSP430F5419IPZ application, or MSP430F5419IPZ equivalent, key selection criteria include LPM3 current (2.6 µA), 100-pin LQFP package compatibility, 18-MHz max system clock, integrated LDO core regulation, and dual USCI_A/USCI_B interface flexibility for multi-protocol embedded control.

Technical Context

The MSP430F5419IPZ implements a CPUXV2 16-bit RISC core with constant generators and extended memory addressing, paired with a Unified Clock System (UCS) supporting FLL-stabilized DCO, 32-kHz crystal RTC, and high-frequency XT2 up to 32 MHz. Its power architecture includes programmable LDO output voltage and brownout detection with fast wake-up (<5 µs) from LPM3/LPM4.

Peripheral integration centers on three independent 16-bit timers: TA0 (5 capture/compare registers), TA1 (3 registers), and TB0 (7 shadow registers), plus 3-channel DMA, hardware multiplier, and EEM (Enhanced Emulation Module) for real-time debugging - all optimized for deterministic low-power operation in measurement and timing-critical applications.

Key Specifications

Pinout & Package

LQFP-100 (PZ) package, 14 mm × 14 mm body size, 0.5 mm pitch, thermally enhanced with exposed thermal pad (not electrically connected).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430F5419IPZ, the MSP430F5436IPZ offers greater Flash capacity without altering power profile or peripheral set, while the MSP430F5418IPN trades I/O density and package size for lower BOM cost - neither is pin-compatible nor drop-in, but both share identical register mapping and software compatibility.

Availability

MSP430F5419IPZ is available at Aetrix Electronics and suitable for remote sensor nodes, digital thermostats, and hand-held meters requiring stable component supply, long-term industrial lifecycle support, and guaranteed TI original packaging.

Supply support for MSP430F5419IPZ 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 reliability.

The MSP430F541x family targets ultra-low-power measurement and timing applications - designed to maximize battery life in portable instrumentation, environmental monitoring, and industrial control systems through aggressive power gating and intelligent peripheral autonomy.

FAQ

What is the maximum operating frequency of the MSP430F5419IPZ?

The MSP430F5419IPZ supports a maximum system clock frequency of 18 MHz, achieved via its digitally controlled oscillator (DCO) stabilized by the FLL loop within the Unified Clock System. This frequency is confirmed in Section 5.20 of the SLAS612F datasheet and applies under recommended operating conditions (2.2 V to 3.6 V, –40°C to 85°C). The MSP430F5419IPZ maintains full peripheral functionality at this speed, including ADC conversions and USCI baud rate generation.

Does the MSP430F5419IPZ support crystal oscillators for real-time clock operation?

Yes, the MSP430F5419IPZ supports 32.768 kHz crystal oscillation for RTC operation via dedicated XIN/XOUT pins (P7.0/P7.1). This low-frequency crystal mode is explicitly enabled in LPM3 standby mode with full RAM retention and fast wake-up (2.6 µA typical), as verified in Section 1.1 Features and Table 5.15 of the SLAS612F datasheet. The RTC_A module uses this crystal source for calendar-accurate timekeeping.

How many universal serial communication interfaces does the MSP430F5419IPZ include?

The MSP430F5419IPZ includes four USCI modules: USCI_A0, USCI_A1, USCI_B0, and USCI_B1. Each USCI_A supports UART, IrDA, and SPI; each USCI_B supports I²C and SPI. This configuration is confirmed in Section 1.1 Features and Table 3-1 Device Comparison of the SLAS612F datasheet. All four are fully functional in the 100-pin PZ package and accessible via dedicated pin multiplexing.

What is the standby current consumption of the MSP430F5419IPZ in LPM3 mode?

The MSP430F5419IPZ consumes 2.6 µA typical in LPM3 mode at 3.0 V, with RTC, watchdog, and supply supervisor active and full RAM retained - as specified in Section 1.1 Features and Table 5.5 of the SLAS612F datasheet. This value is measured with the 32-kHz crystal oscillator running and applies to the exact MSP430F5419IPZ device in the PZ package under standard test conditions.

Is the MSP430F5419IPZ pin-compatible with other devices in the MSP430F54xx family?

The MSP430F5419IPZ shares identical pinout and package (100-pin PZ) with MSP430F5438IPZ and MSP430F5436IPZ, as confirmed in Figure 4-1 and Table 3-1 of the SLAS612F datasheet. However, it is not pin-compatible with 80-pin variants (e.g., MSP430F5418IPN) or devices with differing peripheral configurations - direct substitution requires verification of Flash/RAM size, USCI count, and I/O mapping per application requirements.