MCP3909RD-3PH1 Microchip Technology, MCP3909RD-3PH1 Datasheet - Page 71

• 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

A.1
A.2
© 2008 Microchip Technology Inc.
INTRODUCTION
SCHEMATICS AND PCB LAYOUT
This appendix contains the following schematics and layouts for Revision 2 of the
MCP3909 3-Phase Energy Meter Reference Design:
• Main Board Schematic - Page 1
• Main Board Schematic - Page 2
• Main Board Schematic - Page 3
• Main Board Schematic - Page 4
• Main Board Schematic - Page 5
• Main Board - Top Layer And Silk-Screen
• Main Board - Bottom Layer
• USB Interface Module - Schematic
• USB Interface Module - Top Silk-Screen Layer
• USB Interface Module - Top Traces And Pads Layer
• USB Interface Module - Bottom Silk-Screen Layer
• USB Interface Module - Bottom Traces And Pads Layer
The layer order is shown in Figure A-1.
FIGURE A-1:
Appendix A. Schematic and Layouts
Layer Order
METER REFERENCE DESIGN
MCP3909 3-PHASE ENERGY
Top Layer
Bottom Layer
DS51643B-page 67