Microchip Technology MCP3901 Manuals

Manuals and User Guides for Microchip Technology MCP3901. We have 1 Microchip Technology MCP3901 manual available for free PDF download: User Manual

Microchip Technology MCP3901 User Manual

Microchip Technology MCP3901 User Manual (47 pages)

Energy Meter Reference Design

Brand: Microchip Technology | Category: Measuring Instruments | Size: 1 MB

Table of Contents

Table of Contents
3
Microchip Technology Inc. DS51968A
5
Preface

7
- Introduction
  7
- Document Layout
  8
- Conventions Used in this Guide
  9
- Recommended Reading
  10
- The Microchip Web Site
  10
- Customer Support
  10
- Document Revision History
  10
Chapter 1. Product Overview

11
Chapter 2. Hardware

13
- Overview
  13
- Input and Analog Front End
  16
Chapter 3. Calculation Engine and Register Description

17
- Calculation Engine Signal Flow Summary
  17
- Register List
  18
- Mode
  19
- Status
  20
- Cal_Control
  20
- Line_Cyc
  21
- Line_Cyc_Cnt
  21
- Raw2_I_Rms
  21
- Raw_I_Rms
  22
- I_Rms
  22
- Raw2_V_Rms
  22
- Raw_V_Rms
  22
- V_Rms
  22
- Line_Frequency
  23
- Raw_Power_Act
  23
- Power_Act
  23
- Power_App
  23
- Raw_Power_React
  24
- Power_React
  24
- Period
  24
- Energy_Act
  24
- Energy_App
  25
- I_Abs_Max
  25
- V_Abs_Max
  25
- Energy_React
  25
- Phase_Compensation
  25
- Offset_I_Rms
  26
- Offset_V_Rms
  26
- Gain_I_Rms
  26
- Gain_V_Rms
  26
- Offset_Power_Act
  26
- Gain_Power_Act
  27
- Offset_Power_React
  27
- Gain_Power_React
  27
- Gain_Energy_Act
  27
- Gain_Energy_App
  27
- Gain_Energy_React
  27
- Cf_Pulse_Width
  28
- Gain_Denr_Energy_Act
  28
- Gain_Numr_Energy_Act
  28
- Mode1_Def
  28
- Cal_Status
  28
- Maximum Current
  29
- Calibration_Voltage
  29
- Calibration_Current
  29
- Calibration_Frequency
  29
- Meter_Constant
  29
- Calibration_Line_Cycle
  30
- Gain_Denr_Energy_React
  30
- Gain_Numr_Energy_React
  30
- Phase_Compensation_90
  30
- Creep_Thrshold_Minute
  30
- Creep_Thrshold_Second
  30
Chapter 4. Meter Protocol and Timings

31
- Protocol
  31
Appendix A. Schematic and Layouts

33
- Introduction
  33
- Schematics and PCB Layout
  33
- Board - ADC Schematic
  34
- A.3 Board – ADC Schematic
  34
- Board - MCU Schematic
  35
- A.4 Board – MCU Schematic
  35
- Board - LCD and USB Schematic
  36
- Board - Top Silk and Pads
  37
- Board - Top Copper
  38
- A.7 Board – Top Copper
  38
- Board - Bottom Copper
  39
- A.8 Board – Bottom Copper
  39
- Board - Bottom Silk and Pads
  40
- A.10 Board - Top 3D
  41
- A.11 Board - Bottom 3D
  42
Appendix B. Bill of Materials (BOM)

46
Worldwide Sales and Service

46

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