Overview
The Texas Instruments MSP430I2041TPW is a member of the MSP430™ Metrology and Monitoring portfolio, designed for energy measurement and monitoring applications. This microcontroller (MCU) is optimized for extended battery life in portable and battery-powered measurement devices. It features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The device includes a range of integrated peripherals and low-power modes, making it suitable for various metering and monitoring tasks.
Key Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage Range | 2.2 V to 3.6 V |
| Analog-to-Digital Converters (ADCs) | Four 24-bit sigma-delta ADCs with differential PGA inputs |
| Power Consumption |
|
| Timers | Two 16-bit timers with three capture/compare registers each |
| Hardware Multiplier | Supports 16-bit operations |
| Universal Serial Communication Interfaces (eUSCIs) |
|
| Package Options | 28-pin TSSOP (PW) and 32-pin VQFN (RHB) |
| Clock System | 16.384-MHz internal digitally controlled oscillator (DCO) |
| I/O Pins | Up to 16 I/O pins |
Key Features
- High-performance analog capabilities with four 24-bit sigma-delta ADCs and differential PGA inputs
- Ultra-low power consumption with multiple low-power modes (LPM3, LPM4, LPM4.5)
- Intelligent digital peripherals including two 16-bit timers and a hardware multiplier
- Enhanced universal serial communication interfaces (eUSCIs) for UART, SPI, and I2C
- Flexible power management system with integrated LDO, supply voltage monitor, brownout detector, and built-in voltage reference
- Temperature sensor and wake-up from standby mode in 1 µs
- Serial onboard programming without external programming voltage
- Support for energy measurement, analog and digital sensor systems, LED lighting, digital power supplies, and more
Applications
- Metering and submetering
- Power monitoring and control
- Industrial sensors
- 1-phase AC and DC power monitoring
- 2-phase electronic meters
- Smart plugs and smart power strips
- Medical applications such as multiple-parameter patient monitoring
- LED lighting, digital power supplies, motor controls, remote controls, thermostats, and digital timers
Q & A
- What is the supply voltage range of the MSP430I2041TPW?
The supply voltage range is 2.2 V to 3.6 V.
- How many 24-bit sigma-delta ADCs does the MSP430I2041TPW have?
The device includes four 24-bit sigma-delta ADCs with differential PGA inputs.
- What are the power consumption levels in different modes?
- Active mode (AM): 275 µA/MHz at 16.384-MHz, 3.0 V
- Standby mode (LPM3): 210 µA at 3.0 V
- Off mode (LPM4): 70 µA at 3.0 V
- Shutdown mode (LPM4.5): 75 nA at 3.0 V
- What types of timers are available on the MSP430I2041TPW?
The device includes two 16-bit timers with three capture/compare registers each.
- What communication interfaces are supported by the MSP430I2041TPW?
The device supports enhanced UART, SPI, and I2C through its eUSCI_A0 and eUSCI_B0 modules.
- What package options are available for the MSP430I2041TPW?
The device is available in 28-pin TSSOP (PW) and 32-pin VQFN (RHB) packages.
- What is the clock frequency of the internal DCO?
The internal DCO operates at 16.384 MHz.
- How many I/O pins does the MSP430I2041TPW have?
The device has up to 16 I/O pins.
- What development tools are available for the MSP430I2041TPW?
Development tools include the EVM430-I2040S evaluation module and the MSP-TS430RHB32A 100-pin target development board.
- What software support is available for the MSP430I2041TPW?
Texas Instruments provides MSP430Ware™ software, Energy Measurement Design Center, and other reference designs and code examples.
