MCP3909RD-3PH1 Microchip Technology, MCP3909RD-3PH1 Datasheet - Page 6

• Manufacturer Part Number: MCP3909RD-3PH1
• Description: REF DESIGN MCP3909 3PH ENGY MTR
• Manufacturer: Microchip Technology

Specifications of MCP3909RD-3PH1

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: No
• Utilized Ic / Part: MCP3909, PIC18F2520, PIC18F4550
• Primary Attributes: 3-Ph, 220 VAC, In Case, LCD, USB, GUI
• Secondary Attributes: Opto-Isolated Interface for Safety
• Operating Voltage: 220 V
• Operating Current: 5 A
• Description/function: Energy Meter
• For Use With/related Products: MCP3909
• Lead Free Status / RoHS Status: Not applicable / Not applicable

MCP3909 3-Phase Energy Meter Reference Design
DOCUMENT LAYOUT
DS51643B-page 2
This document describes how to use the MCP3909 3-Phase Energy Meter Reference
Design as a development tool to emulate and debug firmware on a target board. The
manual layout is as follows:
• Chapter 1. “Product Overview” – Important information on using the MCP3909
• Chapter 2. “Hardware” – Includes detail on the function blocks of the meter
• Chapter 3. “PIC18F2520 Calculation and Register Description” – This section
• Chapter 4. “Meter Protocol and Timings”– Here is described the protocol used
• Chapter 5. “Meter Calibration” – This chapter provides detail on how to
• .Chapter 6. “3-Phase Energy Meter Calibration Software” – Here you can find
• Appendix A. “Schematic and Layouts” – Shows the schematic and layout
• Appendix B. “Bill Of Materials (BOM)” – Lists the parts used to build the
3-Phase Energy Meter Reference Design including a getting started section that
describes wiring the line and load connections.
including the analog front end design, phase lock loop circuitry, and power supply
design.
describes the digital signal flow for all power output quantities such as RMS
current, RMS voltage, active power, and apparent power. This section also
includes the calibration registers detail.
for accessing the registers includes commands that are used to interface to the
meter.
calibrate the meter. The PC calibration software that is included with the meter
automates the steps and calculations described in this chapter.
a detailed description of the calibration software provided with this reference
design
diagrams
© 2008 Microchip Technology Inc.