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Derived from generations of innovation in the DC power monitoring, utility metering and Switch Mode Power Supply (SMPS) markets, our portfolio of high-performance single-phase, poly-phase, and DC power measurement solutions can tackle the evolving needs of your energy management and measurement applications. Our flexible and highly integrated solutions help you easily and cost-effectively develop applications for online and offline smart metering, SMPS, data centers, intelligent lighting and smart buildings.

Highlights


  • High-accuracy measurement
  • Full family of single-phase and poly-phase solutions
  • Up to four voltage rail DC power monitoring
  • High-side power sensing for 40V applications

Looking for Solutions to Improve Your New Design?


AC Power Supplies

Key Features for Your Design:

  • 0.5% error over 4000:1 dynamic range
  • Monitoring of two or three power loads
  • Active, reactive, apparent power
  • High-performance eight-channel Analog Front End (AFE)

Target Applications:

  • Power monitoring for home automation
  • Real-time measurement of power supply input
  • Intelligent power distribution units
  • Intelligent lighting

DC Power Monitoring

Key Features for Your Design:

  • One- to four-channel 16-bit monitoring
  • Current and voltage measured simultaneously
  • 16-bit resolution

Target Applications:

  • Cloud and Linux® servers
  • Networking
  • FPGA systems
  • Computing

Smart Metering

Key Features for Your Design:

  • 6000:1 dynamic range for improved performance
  • Single- and poly-phase solutions up to class 0.2 accuracy
  • ANSI C12.1, C12.20 IEC62052-11, IEC62053-22/23 support 

Target Applications:

  • Residential energy metering
  • Commercial energy metering

Explore These Block Diagrams


Design Support to Simplify and Speed Up Your Development


When you choose our power monitoring solutions for your application, we support your development with a variety of demonstration and evaluation kits, reference designs, software and detailed documentation. If you need assistance along the way, you can use our Technical Support portal to discover helpful learning resources, use our forums to diagnose your issues or contact our experts to get answers to your questions. 

Featured Development Tools


PAC1710/20 Single-Dual High Side DC Current Sense Evaluation Board

Part Number: ADM00494

Use this board to evaluate the performance and features of the PAC1710 and PAC1720 devices. This USB based board allows you to monitor an on-board or external current source and to modify and view registers.

MCP39F511A Power Monitor Demonstration Board

Part Number: ADM00667

This board is a fully functional single-phase power and energy monitoring system featuring an MCP39F511A power monitoring IC. The system calculates and displays active power, reactive power, RMS current, RMS voltage, active energy (both import and export), and four-quadrant reactive energy.

MCP3903 ADC Evaluation Board for 16-Bit MCUs

Part Number: ADM00310

Use this board to evaluate the performance of the MCP3903 six-channel sigma-delta ADC. It is also a development platform for 16-bit PIC® MCU-based applications. You can connect sensors to it and use the graphical PC tools to perform measurements.  

MCP3911 ADC Evaluation Board for 16-Bit MCUs

Part Number: ADM00398

Use this board to evaluate the performance of the MCP3911 dual-channel ADC. It is also a development platform for 16-bit PIC® MCU-based applications. You can connect sensors to it and use the graphical PC tools to perform measurements.  

MCP39F501 Energy Metering and Power Monitoring Demonstration Board

Part Number: ARD00455

This board is a fully functional single-phase power monitor featuring an MCP39F501 power monitoring IC. The system calculates active power, reactive power, RMS current, RMS voltage, power factor, line frequency and other typical power quantities as defined in the MCP39F501 data sheet.

Smart Energy Analog Front End Products


View All Parametrics
Product Power Type Device Type Resolution (bits) Channels Sample Rate (kSPS max) Input Type ADC SINAD (dB) Measurement Error Dynamic Range Gain Selection Voltage Reference Drift Typical (ppm/°C) Interface Architecture Analog Supply Voltage Range (V) Digital Supply Voltage Range (V) Temperature Range (°C) Comments Automotive Recommended Status Packages 5K Pricing
MCP3901 Single-Phase Analog-Front-End 24 2 2 Differential 91 0.1% 1:32 15 SPI Delta Sigma 4.5 - 5.5 2.7 - 5.5 -40 to 125 Yes In Production Consider: MCP3911 20/QFN, 20/SSOP $1.51
MCP3903 Poly-Phase Analog-Front-End 24 6 6 Differential 91 0.1% 1:32 5 SPI Delta Sigma 4.5 - 5.5 2.7 - 3.6 -40 to 125 Yes In Production Consider: MCP3913 28/SSOP $3.24
MCP3905A Single-Phase Energy Meter IC 16 2 0 Differential n/a 0.1% 500:1 1:16 15 Pulse Output Delta Sigma 4.5 - 5.5 4.5 - 5.5 -40 to 125 Active power only Yes In Production 24/SSOP $1.36
MCP3905L Single-Phase Energy Meter IC 16 2 2 Differential n/a 0.1% 500:1 1:16 15 Pulse Output Delta Sigma 4.5 - 5.5 4.5 - 5.5 -40 to 125 Active power only with reduced pulse width Yes In Production 24/SSOP $1.43
MCP3906A Single-Phase Energy Meter IC 16 2 2 Differential n/a 0.1% 1000:1 1:32 15 Pulse Output Delta Sigma 4.5 - 5.5 4.5 - 5.5 -40 to 125 Active power only Yes In Production 24/SSOP $1.54
MCP3909 Single-Phase Energy Meter IC 16 2 2 Differential 82 0.1% 1000:1 1:16 15 SPI/Pulse Output Delta Sigma 4.5 - 5.5 4.5 - 5.5 -40 to 125 Active power only Yes In Production Consider: MCP3910, MCP3913 24/SSOP $1.55
MCP3910 Single-Phase Analog-Front-End 24 2 2 Differential 93.5 0.1% 10000:1 1:32 9 SPI/2-Wire Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 2-Wire optimized for poly-phase shunt meters Yes In Production 20/QFN, 20/SSOP $1.46
MCP3911 Single-Phase Analog-Front-End 24 2 2 Differential 94.5 0.1% 10000:1 1:32 7 SPI Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Yes In Production 20/QFN, 20/SSOP $1.40
MCP3912 Poly-Phase Analog-Front-End 24 4 4 Differential 93.5 0.1% 10000:1 1:32 9 SPI Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Yes In Production 28/QFN, 28/SSOP $2.34
MCP3913 Poly-Phase Analog-Front-End 24 6 6 Differential 94.5 0.1% 10000:1 1:32 9 SPI Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Also ideal for single-phase power distribution systems Yes In Production 28/SSOP, 40/UQFN $3.04
MCP3914 Poly-Phase Analog-Front-End 24 8 8 Differential 94.5 0.1% 10000:1 1:32 9 SPI Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Also ideal for single-phase power distribution systems Yes In Production 40/UQFN $3.76
MCP3918 Single-Phase Analog-Front-End 24 1 1 Differential 93.5 0.1% 10000:1 1:32 9 SPI/2-Wire Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 2-Wire optimized for poly-phase shunt meters Yes In Production 20/QFN, 20/SSOP $1.12
MCP3919 Poly-Phase Analog-Front-End 24 3 3 Differential 93.5 0.1% 10000:1 1:32 9 SPI/2-Wire Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 2-Wire optimized for poly-phase shunt meters Yes In Production 28/QFN, 28/SSOP $1.84
MCP39F501 Single-Phase Power Monitoring IC 24 2 2 Differential 94.5 0.1% 4000:1 1:32 10 UART Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Yes In Production Consider: MCP39F511 28/QFN $2.00
MCP39F511 Single-Phase Power Monitoring IC 24 2 2 Differential 94.5 0.1% 4000:1 1:32 10 UART Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Yes In Production 28/QFN $2.00
MCP39F511A Single-Phase Power Monitoring IC 24 2 2 Differential 94.5 0.1% 4000:1 1:32 7 UART Delta Sigma 0 - 0 2.7 - 3.6 -40 to 125 Yes In Production 28/QFN $2.00
MCP39F511N Single-Phase Power Monitoring IC 24 3 3 Differential 94.5 0.5% 4000:1 1:32 10 UART Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Metering and monitoring of two electrical loads Yes In Production 28/QFN $2.00
MCP39F521 Single-Phase Power Monitoring IC 24 2 2 Differential 94.5 0.1% 4000:1 1:32 10 I2C Delta Sigma 2.7 - 3.6 2.7 - 3.6 -40 to 125 Yes In Production 28/QFN $2.00

Documentation


Title Download
00001008j.indd Download
Title Part Number Devices Supported
MCP39F521 Power Meter
ADM00686 MCP39F521, MCP1754S, MCP2221, MCP9700
MCP39F511 Power Meter ADM00667 MCP39F511, MCP2221, MCP6021, MCP9700
MCP39F11N Power Meter ADM00706 MCP39F511N, MCP1754S, MCP2221
MCP39F501 Power Meter ARD00455 MCP39F501, MCP1754S, MCP2200, MCP9700
MCP3905A Energy Meter
MCP3905RD-PM1 MCP3905A, MCP3906A

Smart Energy Monitoring, Metering & Control Session (DESIGN West 2012)

Government regulations and the cost of building power generating systems are two forces driving a more efficient power distribution system. To achieve the goal of enabling the smart grid, an integrated system for power measurement, monitoring, communication and control is essential. This session presents Microchip’s solutions from energy measurement devices through communications.