MSP430AFE253 embedded metering (sub-meter) EVM


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This embedded metering (sub-meter/e-meter) EVM is designed based on the MSP430AFE253. The EVM can be connected to the mains (or to DC) and the load directly. The EVM measures the electrical parameters of the load and the result of measurement can be read from the UART port. This EVM provided with built-in power supply and isolated serial connect to facilitate user quick start to the evaluation of the MSP430AFE253 in embedded metering application.

  • It measures root mean square voltage, root mean square current, active power, reactive power, apparent power, power factor, AC frequency,
  • Readings are updated every 4 AC cycles or 80ms in case of DC input
  • It is capable of AC and DC measurement while it can switch between AC and DC measurement mode automatically
  • It has the ability of doing EMI filter capacitor and wire resistance compensation
  • No separate DC calibration is required, all calibration is done with AC input
  • A 14 pin debugger connector allows direct interface to MSP-FET430UIF without the need of an adaptor
  • Built-in isolated RS232 external communication interface for reading measurements and performing calibration

  • Quick Start Guide
  • Safety Guideline
  • Terms and Disclaimer
  • Disc containing software and user guide
  • EVM430-AFE253S

MSP430 microcontrollers
MSP430AFE253 12 MHz metering AFE with 3 24-bit Sigma-Delta ADCs, 16KB Flash, 512B RAM

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Evaluation board

EVM430-AFE253S – MSP430AFE253 embedded metering (sub-meter) EVM

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Technical documentation

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Type Title Date
More literature EVM430-AFE253S EU Declaration of Conformity (DoC) Jan. 02, 2019
User guide Single-Phase Energy Measurement Reference Design Guide Mar. 06, 2014

Related design resources

Software development

CCSTUDIO-MSP Code Composer Studio™ Integrated Development Environment for MSP Microcontrollers

Reference designs

TIDM-MSP430AFE253SUBMETEREVM Single-Phase Energy Measurement Reference Design

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