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Power Distribution

Lower System Cost Using a Single MCU to Measure Power at Input and Individual Loads

Function	Product Family	6-channel simultaneous sampling 24-bit ADC to monitor separate loads Dual 24-bit AFE per input phase with 2-wire serial interface to reduce isolation costs Low overhead software requires only a single 16-bit or 32-bit MCU
Analog	MCP3911 (2-Channel) MCP3903 (6-Channel)
Microcontroller	PIC24F08KLXXX Family PIC24/dsPIC33 Family

Smart Energy Analog Front End Products

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Documentation

Application Notes
Brochures
Software
Reference Designs

Title
AN1426 - Design Tips for the MCP3911	Download
AN1151 - PIC18F2520 MCP3909 3-Phase Energy Meter Reference Design - Meter Test Results and Adapting the Meter Design for other Requirements	Download
AN994 - IEC Compliant Active-Energy Meter Design Using the MCP3905/6	Download
AN1300 - Designing with the MCP3901 Dual Channel	Download

Title
Utility Metering Brochure	Download

Title
PIC18F87J72 Single-Phase Energy Meter Reference Design User's Guide	Download
MCP3909 and dsPIC33F 3-Phase Energy Meter Reference Design	Download
Zigbee MiWi DC Zigbee Stack content	Download

Title	Part Number	Devices Supported
MCP6L02 and PIC18F65J90 1-Phase Energy Meter	ARD00370	MCP6L02, MCP1754S, MCP1703, MCP2200, 24FC256, PIC18F65J90
MCP3911 and PIC18F85K90 1-Phase Energy Meter	ARD00385	MCP3911, MCP1703, MCP2200, MCP6001, PIC18F85K90
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

See All Analog Reference Designs

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.