MCP3909-I/SS Microchip Technology, MCP3909-I/SS Datasheet - Page 8

• Manufacturer Part Number: MCP3909-I/SS
• Description: IC POWER METERING-1 PHASE 24SSOP
• Manufacturer: Microchip Technology

Specifications of MCP3909-I/SS

• Package / Case: 24-SSOP (0.200", 5.30mm Width)
• Input Impedance: 390 KOhm
• Measurement Error: 0.1%
• Voltage - I/o High: 2.4V
• Voltage - I/o Low: 0.85V
• Current - Supply: 2.3mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Meter Type: Single Phase
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: SSOP
• No. Of Pins: 24
• Interface Type: Serial, SPI
• Supply Voltage Max: 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP3909EV-MCU16 - EVALUATION BOARD FOR MCP3909MCP3909RD-3PH1 - REF DESIGN MCP3909 3PH ENGY MTR
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP3909 / dsPIC33F 3-Phase Energy Meter Reference Design
DOCUMENT LAYOUT
DS51823A-page 8
This document describes how to use the MCP3909 / dsPIC33F 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:
This document describes how to use the MCP3909 / dsPIC33F 3-Phase Energy Meter
Reference Design as a development tool. The manual layout is as follows:
• Chapter 1. “Meter Overview” - Summarizes the meter specifications and a quick
• Chapter 2. “Hardware Description” - A detailed explanation of the different
• Chapter 3. “Firmware” - All the calculations performed by the dsPIC33F are
• Chapter 4. “Meter Calibration” - Explains how the meter is calibrated to
• Chapter 5. “PC Software” - Includes screen shots of the viewer/calibration
• Chapter 6. “Meter Communications Protocol” - The UART commands used to
• Appendix A. “Schematics and Layouts” - Both PCB, SCH files are located here
• Appendix B. “Bill Of Materials (BOM)” - Part number and ordering information
• Appendix C. “Power Calculation Theory” - A detailed explanation of the theory
• Appendix D. “50/60 Hz Meter Operation” - Instructions on converting the meter
getting started section
circuit blocks, their function, and implementation
described here
accuracy
software included with the system
communicate to the meter
for the 2 board system
for all components of the energy meter
behind the calculations described in Chapter 3. “Firmware”
for use in a 60 Hz line frequency environment
© 2009 Microchip Technology Inc.