Texas Instruments MSP430I2030TRHBT

Overview

MSP430I2030TRHBT from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller optimized for precision energy metering and analog sensor systems. It integrates three 24-bit sigma-delta ADCs with differential PGA inputs, operates from 2.2 V to 3.6 V, delivers 16.384-MHz system clock speed, and achieves 70 µA shutdown current (LPM4) at 3.0 V - enabling battery-powered smart plugs and submeters with multi-year runtime.

For engineers reviewing the MSP430I2030TRHBT datasheet, MSP430I2030TRHBT pinout, MSP430I2030TRHBT application, or MSP430I2030TRHBT equivalent, key selection criteria include its 32-pin VQFN (RHB) package, 16 I/O pins, integrated LDO core regulator, eUSCI_A0 UART/IrDA/SPI and eUSCI_B0 SPI/I²C interfaces, and support for fast 1-µs wake-up from standby mode in metrology-grade designs.

Technical Context

The MSP430I2030TRHBT implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO), enabling deterministic low-latency response in real-time power monitoring loops. Its SD24 peripheral supports programmable gain amplification and oversampling on all three ADC channels, with dedicated differential analog input pairs (A0.0±, A1.0±, A2.0±) routed to pins 1–6 and 17–18 of the RHB package.

Power management includes five low-power modes (LPM0–LPM4.5), an integrated LDO delivering 1.8-V core voltage, supply voltage monitor with configurable threshold, brownout detector, and internal temperature sensor - all coordinated via dedicated control registers without software overhead.

Key Specifications

Pinout & Package

32-pin VQFN (RHB) package with exposed thermal pad recommended to be connected to DVSS. Pin assignments follow TI's standardized RHB layout for MSP430i203x devices, including dedicated analog input pairs, dual eUSCI signal routing, and timer-capable I/O on P1.x and P2.x ports.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430I2031TRHBT and MSP430I2040TRHBT, the MSP430I2030TRHBT delivers identical analog performance, pin compatibility, and power profile at lowest bill-of-materials cost - making it the preferred choice for volume production of Class 0.5 single-phase meters and smart outlets.

Availability

MSP430I2030TRHBT is available at Aetrix Electronics and suitable for smart plug manufacturing, residential submetering, and industrial sensor node development requiring stable component supply and long-term lifecycle assurance.

Supply support for MSP430I2030TRHBT 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 specializing in analog, embedded processing, and connectivity technologies with over 50 years of innovation in low-power design.

The MSP430™ Metrology and Monitoring product line targets high-accuracy, ultra-low-power measurement applications - specifically engineered for energy metering, sensor fusion, and battery-operated instrumentation where precision and longevity are co-primary requirements.

FAQ

What is the maximum ADC sampling rate supported by the MSP430I2030TRHBT?

The MSP430I2030TRHBT supports up to 256 kSPS aggregate sampling across its three 24-bit sigma-delta ADCs when configured with OSR=256 and PGA enabled. Individual channel throughput depends on oversampling ratio and filter settings - typical effective rate per channel is 1–4 kSPS for metrology-grade 50/60-Hz waveform capture. This performance is fully documented in Section 8.7.7 of the SLAS887C datasheet for MSP430I2030TRHBT.

Does the MSP430I2030TRHBT require an external crystal oscillator?

No, the MSP430I2030TRHBT uses an internal digitally controlled oscillator (DCO) capable of 16.384-MHz operation with ±2% accuracy over temperature and voltage - sufficient for most energy metering applications. An external crystal is optional and only needed if tighter frequency stability (<±50 ppm) is required for time-of-use tariff synchronization. The DCO eliminates BOM cost and board space associated with external timing components in MSP430I2030TRHBT designs.

How many GPIO pins are available on the MSP430I2030TRHBT in the RHB package?

The MSP430I2030TRHBT provides 16 general-purpose I/O pins in its 32-pin VQFN (RHB) package. These are distributed across Port P1 (8 pins) and Port P2 (8 pins), all supporting interrupt capability and peripheral multiplexing. Unused pins must be configured as outputs driven low per TI's recommendation in Section 7.4 of the SLAS887C datasheet to ensure robust operation of MSP430I2030TRHBT in noisy metering environments.

Can the MSP430I2030TRHBT operate from a single 3.0-V lithium coin cell?

Yes, the MSP430I2030TRHBT operates across 2.2 V to 3.6 V, making it compatible with CR2032 (nominal 3.0 V) and BR2032 (2.8 V) coin cells. In LPM4.5 mode, it draws only 75 nA at 3.0 V - enabling multi-year operation in tamper-evident submeters or wireless sensor nodes. However, active-mode current (275 µA/MHz) requires careful duty cycling; the MSP430I2030TRHBT's 1-µs wake-up time ensures minimal active duration during periodic sampling.

Is the MSP430I2030TRHBT pin-compatible with other devices in the MSP430i20xx family?

Yes, the MSP430I2030TRHBT is pin-compatible with all RHB-package variants in the MSP430i20xx family (e.g., MSP430I2031TRHBT, MSP430I2040TRHBT) - sharing identical pin functions, power domains, and thermal pad layout. This allows direct PCB reuse across different Flash/RAM configurations or ADC counts. Pin compatibility is explicitly confirmed in TI's Device Comparison Table (Table 6-1) and functional block diagrams for MSP430I2030TRHBT in the SLAS887C datasheet.