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Power Monitoring

Systems designers know that before they can manage power, they first need to measure it. These power monitoring ICs measure power, voltage, and current while providing the calculated power over an I2C interface.

These I2C power monitors are based on the traditional high-side current sensor. The current monitors can measure voltage rails from 0V to 40V. Several high-power devices also come with temperature sensors for thermal management.

Microchip's Power/Current Sensor Devices

  • Calculates power
  • No filter circuits required
  • Sampling intervals up to 2 seconds
  • Peak detection with duration setting

Featured Power/Current Sensor Devices

  • Digital and analog output for prototyping
  • 1% Power measurement accuracy
  • Integrated average power measurement
  • High-side current sensor
  • 3V to 24V voltage bus voltage range
  • 1% current measurement accuracy
  • Quad power/current sensor
  • Accumulates reading for 36 hours
  • 1mA to 10A without configuration changes

Analog High-Side Current Monitors

  • Supply 8.0 to 450V
  • Typical gain: 1.0 or 5.0
  • Max VSENSE 500 mV

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Supported Material

Diagnose your issues and learn how to use Microchip’s support system to help you find answers quickly!

Title
Part Number
Devices Supported

MCP3421DM-WS

MCP3421, MCP6V07

ARD00354

MCP6N11, MCP6V26, MCP6V27

MCP6031DM-PTPLS
MCP6031

MCP661DM-LD
MCP661

MCP6V01RD-TCPL
MCP6V01, MCP9800

MCP6SX2DM-PCTLTH
MCP6S22, MCP6S92

TMPSNS-RTD1
MCP3301, MCP41010, MCP6S26, PIC18F2550

PIC16F690DM-PCTLHS
MCP6291, PIC16F690

Power/Current Monitors Video Channel