MCP3905L - Carte d'évaluation Microchip - Free user manual and instructions

USER MANUAL MCP3905L Microchip

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=ISO/TS 16949:2002=

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Table of Contents

Preface 5

Chapter 1. Product Overview

1.1 Introduction ...... 9
1.2 What is the MCP3905A/06A Evaluation Board? 9
1.3 What the MCP3905A/06A Evaluation Board Kit Includes 9

Chapter 2. Installation and Operation

2.1 Introduction ...... 11
2.2 Features 12
2.3 Getting Started 12
2.4 MCP3905A/06A Evaluation Board Overview 14
2.5 Functional Block Descriptions 15

Appendix A. Schematics and Layouts

A.1 Introduction 19
A.2 Schematics and PCB Layout 19
A.3 Board Schematic 20
A.4 Board Layout – Top Layer and Silk-screen 21
A.5 Board Layout – Bottom Layer 22

Appendix B. Bill Of Materials (BOM)

Worldwide Sales and Service 26

Preface

NOTICE TO CUSTOMERS

All documentation becomes dated, and this manual is no exception. Microchip tools and documentation are constantly evolving to meet customer needs, so some actual dialogs and/or tool descriptions may differ from those in this document. Please refer to our web site (www.microchip.com) to obtain the latest documentation available.

Documents are identified with a "DS" number. This number is located on the bottom of each page, in front of the page number. The numbering convention for the DS number is "DSXXXXXA", where "XXXXX" is the document number and "A" is the revision level of the document.

For the most up-to-date information on development tools, see the MPLAB ^® IDE on-line help. Select the Help menu, and then Topics to open a list of available on-line help files.

INTRODUCTION

This chapter contains general information that will be useful to know before using the MCP3905A/06A Evaluation Board. Items discussed in this chapter include:

• Document Layout
• Conventions Used in this Guide
• Recommended Reading
  • The Microchip Web Site
• Customer Support
  • Document Revision History

DOCUMENT LAYOUT

This document describes how to use the MCP3905A/06A Evaluation Board 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 about the MCP3905A/06A Evaluation Board.
• Chapter 2. “Installation and Operation” – Includes a detailed description of each block and instructions on how to get started with this board.
• Appendix A. “Schematics and Layouts” – Shows the schematic and board layout diagrams for the MCP3905A/06A Evaluation Board.
• Appendix B. “Bill Of Materials (BOM)” – Lists the parts used to build the MCP3905A/06A Evaluation Board.

CONVENTIONS USED IN THIS GUIDE

This manual uses the following documentation conventions:

DOCUMENTATION CONVENTIONS

Description Represents Examples
Arial font:
Italic characters Referenced books	MPLAB	^ IDE User's Guide
	Emphasized text ...is the only compiler...
Initial caps A window the Output	window
	A dialog the Settings dialog
	A menu selection select Enable Programmer
Quotes A field name in a window or dialog		"Save project before build"
Underlined, italic text with right angle bracket	A menu path File>Save	——
Bold characters A dialog button	Click OK
	A tab	Click the Power tab
N'Rnnnn	A number in verilog format, where N is the total number of digits, R is the radix and n is a digit.	4'b0010, 2'hF1
Text in angle brackets <>	A key on the keyboard	Press,,
Courier New font:
Plain Courier New	Sample source code	#define START
	Filenames	autoexec.bat
	File paths	c:\mcc18\h
	Keywords	_asm, _endasm, static
	Command-line options	-Opa+, -Opa-
	Bit values	0, 1
	Constants	0xFF, 'A'
Italic Courier New	A variable argument	file.o, where file can be any valid filename
Square brackets []	Optional arguments	mcc18 [options] file [options]
Curly brackets and pipe character: { | }	Choice of mutually exclusive arguments; an OR selection	errorlevel {0|1}
Ellipses... Replaces repeated text var_name [,		var_name...]
		Represents code supplied by user void main (void){ ...}

RECOMMENDED READING

This user's guide describes how to use MCP3905A/06A Evaluation Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources.

MCP3905A Data Sheet, "Energy Metering IC with Active Real Power Pulse Output" (DS21948)

This data sheet provides detailed information regarding the MCP3905 device.

AN994 "IEC Compliant Active Energy Meter Design Using The MCP3905A/06A" (DS00994)

This application note documents the design decisions associated with this reference design.

MCP3905A/06A Energy Meter Reference Design (DS51565)

This reference design is a stand-alone, low-cost energy meter. It can act as either a stand-alone energy meter, or as the analog front-end design for LCD microcontroller-based meters. This reference design is compliant with EMC requirements per energy metering standards IEC62053 and legacy IEC61036, IEC1046 and IEC687.

Microchip provides online support via our web site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information:

• Product Support – Data sheets and errata, application notes and sample programs, design resources, user's guides and hardware support documents, latest software releases and archived software
• General Technical Support – Frequently Asked Questions (FAQs), technical support requests, online discussion groups, Microchip consultant program member listing
• Business of Microchip – Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:

• Distributor or Representative
- Local Sales Office
• Field Application Engineer (FAE)
- Technical Support

Customers should contact their distributor, representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document.

Technical support is available through the web site at: http://support.microchip.com.

DOCUMENT REVISION HISTORY

Revision B (August 2009)

- Update from MCP3905/06 to MCP3905A/06A devices.

Revision A (August 2005)

- Initial Release of this Document.

Chapter 1. Product Overview

1.1 INTRODUCTION

This chapter provides an overview of the MCP3905A/06A Evaluation Board and covers the following topics:

• What is the MCP3905A/06A Evaluation Board?
- What the MCP3905A/06A Evaluation Board kit includes

1.2 WHAT IS THE MCP3905A/06A EVALUATION BOARD?

The MCP3905A/06A Evaluation Board is designed to test a variety of meter designs using the MCP3905A/06A energy metering Integrated Circuit (IC). Stand-alone MCP3905A energy meter designs, as well as those using a PICmicro® Microcontroller Unit (MCU), are easily designed using this evaluation board as the prototype Analog Front-End (AFE).

1.3 WHAT THE MCP3905A/06A EVALUATION BOARD KIT INCLUDES

This MCP3905A/06A Evaluation Board Kit includes:

• The MCP3905A/06A Evaluation Board (with MCP3905A installed)(102-00057)
- Important Information Sheet

NOTES:

Chapter 2. Installation and Operation

2.1 INTRODUCTION

The MCP3905A/06A Evaluation Board provides easy evaluation of the MCP3905A energy-metering IC to metering customers. High-voltage AC input line and load connections, including the necessary space for current shunt or Current Transformer (CT) evaluation, are all included. Jumpers with shunts and a reset switch are connected to the MCP3905A/06A device to further facilitate device evaluation and meter design. Multiple input channel configuration circuits are included for both differential and single-ended signals. LEDs for evaluating the MCP3905A/06A output visually are on-board. A standard 14-pin PICtail™ daughter board header is included for a connection to a variety of Microchip PICmicro® microcontroller demonstration (demo) boards, allowing for PIC16, PIC18 and dsPIC® DSC development system meter designs. This connection can also be isolated using an on-board, optical-isolation IC.

PICtail™ Daughter Board Header Opto-Isolator J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 J13 J14 J15 J16 J17 J18 J19 J20 J21 J22 J23 J24 J25 J26 J27 J28 J29 J30 J31 J32 J33 J34 J35 J36 J37 J38 J39 J40 J41 J42 J43 J44 J45 J46 J47 J48 J49 J50 J51 J52 J53 J54 J55 J56 J57 J58 J59 J60 J61 J62 J63 J64 J65 J66 J67 J68 J69 J70 J71 J72 J73 J74 J75 J76 J77 J78 J79 J80 J81 J82 J83 J84 J85 J86 J87 J88 J89 J90 J91 J92 J93 J94 J95 J96 J97 J98 J99 MCP3905A Output Prototype Area Output LEDs Reset Switch Jumpers/ Shunts for G0, G1, F0, F1,F2,HPF AC/DC Power Supply Circuitry Calibration Pots Screw Connector for Line and Shunt or CT Input Prototype Area Load/Line Connector (120V-220V) Shunt Mount

FIGURE 2-1: MCP3905A/06A Evaluation Board.

2.2 FEATURES

The MCP3905A/06A Evaluation Board has the following features:

• Large space for easy connection to AC line and loads provide area for experiments using different current-sensing elements
• Easy connection to both PICDEM™ demonstration boards for a variety of PICmicro® MCU-based meter designs
• Jumpers and shunts for simple device configuration
• On-board, low-cost AC-to-DC power supply circuitry to demonstrate the low-cost MCP3905 AFE design used in the MCP3905A/06A Energy Meter Reference Design (DS51565)
• EMC immunity and Printed Circuit Board (PCB) design as used in the MCP3905A/06A Energy Meter Reference Design (DS51565)
• Designed to fit inside recommended plastic enclosure for safe, high-voltage demonstrations and experiments (enclosure is optional and is not included)

2.3 GETTING STARTED

The following example is given to describe how to use this evaluation board using a current-sensing shunt, 220 VAC line voltage and a 10A load. All connections described in this section are dependent on the choice of current-sensing element. A 250 shunt is selected as the current-sensing element.

2.3.1 Step 1: Install Current-Sensing Element and Make Appropriate Input Connections

Use the input prototype area to connect the line/load and current-sensing elements to the appropriate screw-type connector. An example of connecting the shunt is shown in Figure 2-2. Please note that the phase-side of the line should be used as the GND reference to the MCP3905A/06A Evaluation Board when using the AC/DC power supply circuit in shunt examples like the one in Figure 2-2.

CH0+ CH0- CH1A CH1BHigh Low LOAD, 10A J11 N G L J12 N G L 220 VAC J12 J3 250 µΩ Shunt

FIGURE 2-2: Example Input Prototype Area Connections Using Shunt. The system is biased to the line-side of the two-wire power supply.

2.3.2 Step 2: Select Channel 0 Input Method

Resistor sockets R_11 and R_12 should be left open when using a shunt. JP3, JP13 and JP14 should also be open. This configuration puts the shunt across the channel inputs differentially with the users option of a RC filter.

250 μΩ Shunt CH0+ J5 open z11 open z12 JP3 JP13 R1 1 kΩ C1 0.033 μF CH0+ CH0- J6 open JP14 R1 1 kΩ C1 0.033 μF CH0-

FIGURE 2-3: Channel 0 Jumpers for 250 μ Ω Shunt Selection.

2.3.3 Step 3: Select Channel 1 Input Method

Using JP18, JP19, JP20 and JP21, select if Channel 1 will be single-ended or differential, and which input will be tied to the voltage divider and potentiometer. In Figure 2-4, the voltage divider and potentiometer are connected to the positive input, while the negative input is connected to A_GND through the RC.

RC to Voltage Divider & Potentiometer (Circuit A) CHA J8 CHB J7 R1 1 kΩ C1 0.033 μF JP20 JP21 JP18 JP19 CH1+ CH1- CH1+ CH1-

FIGURE 2-4: Channel 1 Input Method Example.

2.3.4 Step 4: Select desired output evaluation method

Jumpers JP5 and JP6 select the output evaluation method. In this example, we are selecting HF_OUT connected to the LED for blink.

MCP3905A HFOUT PULSE → OPT JP6 LED

FIGURE 2-5: Connecting the MCP3905A High-Frequency Output to the LED.

2.3.5 Step 5: Select +5V Source

With the connections for J9 and J11 made in Figure 2-2, the 220V AC/DC power supply circuit can be used as the +5V supply. Here we put JP4 in the "INT" position for internal connection.

2.3.6 Step 6: Connect Line and Load and Observe MCP3905A Output

Once all jumper positions have been selected, connecting 220V with the correct L,G,N connections and an appropriate load (10A in this example) will power both the MCP3905A/06A Evaluation Board and create the MCP3905A output (LED, BLINKING) in Figure 2-5.

2.4 MCP3905A/06A EVALUATION BOARD OVERVIEW

The functional blocks of the MCP3905A/06A Evaluation Board will be described in this section. For more detailed information regarding design decisions and approaches to IEC1036 compliance, refer to AN994, "IEC Compliant Active Energy Meter Design Using The MCP3905A/06A" (DS00994). For a detailed circuit schematic, refer to Appendix A. "Schematics and Layouts" and Appendix B. "Bill Of Materials (BOM)" for a list of the parts used to build the MCP3905A/06A Evaluation Board.

2.5 FUNCTIONAL BLOCK DESCRIPTIONS

2.5.1 Input Prototype Area

All line/load, shunt and CT connections are to be made next to the screw-type connectors J5-J12. This area includes two mounting holes for a standard shunt connector. All high-voltage connections go onto this prototype area.

2.5.2 High-Voltage Input Connections (J5-12)

These screw-type connections are for shunts, CTs, line and load. The shunt resistance should be placed in parallel with J5 and J6. A variety of experiments using shunts and CTs can be performed here in conjunction with the input prototype area.

J9 and J10 feed the AC/DC power supply circuitry. J10 is the reference connection to the entire board. Shunt-type meters should be connected to the line-side. One example is given in the figure below.

CH0+ CH0- CH1A CH1BHigh Low J11 LOAD, 10A N G L J12 N G L 220 VAC 250 µΩ Shunt

FIGURE 2-6: Example Wiring Using Two-Wire System with Shunt.

2.5.3 Jumpers and Shunts for MCP3905 Gain and Frequency Constant F_C Selection (JP1, 2, 9-12)

Jumpers and shunts for both logic-high and logic-low are included for all gain and frequency constant selections, with filter options Off and On columns being clearly labelled.

HPF JP12 F2 JP8 F1 JP2 F0 JP11 G0 JP1 G0 JP10 OFF ON

FIGURE 2-7: MCP3905A Jumper Selections.

2.5.4 Jumpers and Shunts for MCP3905A Channel 0 Input Configurations (JP5, JP6, ZN-N)

Channel 0 is a differential input to the MCP3905A device and is intended for the current-sensing channel of the energy meter. Channel 0 on this evaluation board contains resistor sockets for CT burden resistors, as well as a RC filter on each input, with the option of shorting either input to ground. Two examples of jumper configuration are given in Figure 2-8 and Figure 2-9.

250 µΩ Shunt + - CH0+ J5 open R11 open JP3 R23 1 kΩ CH0+ C20 0.033 µF CH0- J6 open R12 open R24 1 kΩ CH0- C21 0.033 µF

FIGURE 2-8: Channel 0 Jumpers for 250
Ω Shunt Selection.

CH0+ J5 30Ω R11 short JP3 30Ω R12 CH0- J6 R23 1 kΩ CH0+ C20 0.033 μF R24 1 kΩ CH0- C21 0.033 μF

FIGURE 2-9: Example of Channel 0 Jumpers with 60 Connection to Current Transformer.
Ω Burden Resistor for

2.5.5 Channel 1 RC Circuit with A GND Option – Circuit A

Channel 1 is a differential input with two possible circuit selections for each single-ended input (circuit A and circuit B). Using the MCP3905A/06A Evaluation Board, either of the inputs can be connected to the RC or to A_GND , allowing single-ended or differential experiments. JPX should be shorted to ground for all single-ended input configurations.

CH1A J8 R₁ 1 kΩ C₁ 0.033 μF JP20

FIGURE 2-10: Channel 1 RC Circuit A.

2.5.6 Channel 1 Voltage Divider Circuit and Calibration Potentiometer – Circuit B

Circuit B includes 4 resistor sockets and a mechanical potentiometer. This allows for experiments calibrating the output of the MCP3905A by changing Channel 1's input signal amplitude.

R₃ R₄ 300 kΩ/25 T VR₆ 100 kΩ/25 T VR₂ 1 kΩ/25 T VR₁ R₈ 500Ω

FIGURE 2-11: Voltage Divider on Channel 1 Including Potentiometers VR 1 , VR 2 and VR _6 for Calibration Experiments, Labeled Circuit B on the PCB Silk-Screen.

2.5.7 MCP3905A

Center-of-board, 24-lead surface-mount package. Refer to the MCP3905A Data Sheet, "Energy Metering IC with Active Real Power Pulse Output" (DS21948) for a detailed description.

2.5.8 DC Power Supply

A low-cost DC power supply circuit is included on the MCP3905A/06A Evaluation Board. This is the same DC power supply circuit used in the MCP3905A/06A Energy Meter Reference Design. The DC power supply is created from a half-wave zener diode-limited AC signal feeding a 7805 +5V regulator.

C_17 and C_16 divide the AC signal coming directly from the line, with their values depending on the AC source expected. The board comes populated with a series capacitor of 0.47 F, designed to divide down an AC line voltage of 220 V_RMS . If the DC power supply is to be used with a 120 V_RMS AC source capacitor, C_16 should change to 1 F. Refer to Appendix B. “Bill Of Materials (BOM)” for detailed part information.

For more detail on this circuit design, as well as for 120V circuit specifications, refer to AN994 "IEC Compliant Active Energy Meter Design Using The MCP3905A/06A" (DS00994).

2.5.9 Output Prototype Area

A second prototype area is included for experiments using the MCP3905A output. All MCP3905A outputs ( F_OUT0 , F_OUT1 , HF_OUT , REVP) are brought out to the prototype area.

2.5.10 Connecting the MCP3905A/06A Evaluation Board to a PICDEM™ Demonstration Board

A standard 14-pin PICtail™ daughter board connector is included on this board, as shown in Figure 2-12. Any number of MCP3905A with PICmicro MCU meter designs can be developed. An optical isolator is included with the MCP3905A/06A Energy Meter Reference Design as an additional level of protection for direct-connect meters using a shunt. It is connected to the selected output of the MCP3905A via JP5. A pull-up resistor is required on the output of the optical isolator to allow the selected logic signal to appear on the PICmicro MCU-based demo board, which is isolated entirely from the MCP3905A/06A Evaluation Board. The output of the optical isolator is connected to RC0 on this connector, as shown in Figure 2-12. RC0 was chosen to be the default output due to the timer1 clock input on many PICmicro® MCUs.

MCP3905A OUTPUT SELECTION JP5 NEG HFOUT FOUT1 FOUT0 OUT 10 kΩ Pull-up Resistor RA5 — 1 — + RA4 — 2 — + RA3 — 3 — + RC5 — 4 — + RC4 — 5 — + RC3 — 6 — + RA0 — 7 — + RA1 — 8 — + RA2 — 9 — + RC0 — 10 — + RC1 — 11 — + RC2 — 12 — + VCC — 13 — + PIC® MCU_GND — 14 — + To AGND (possible bias to 110 or 220V with direct-connect meters) U3 Standard PICtail™ Daughter Board Connector

FIGURE 2-12: Optical isolation of the MCP3905A outputs to the PICkit ^TM header. The output is connected to RC0 using a 10 kΩ pull-up resistor to the PICtail ^TM daughter board header +5V and the PICmicro ^® MCU header, GND.

Appendix A. Schematics and Layouts

A.1 INTRODUCTION

This appendix contains the following schematics and layouts for the MCP3905A/06A Evaluation Board User's Guide:

• Board Schematic
• Board – Top Layer and Silk-Screen
• Board – Bottom Layer

A.2 SCHEMATICS AND PCB LAYOUT

The layer order is shown in Figure A-1.

FIGURE A-1: Layer Order.

A.3 BOARD SCHEMATIC

5421 6 AC OUT J1 3-PIN TERMINAL BLOCK J2 AC IN 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 2-PIN TERMINAL BLOCK 1-73 73 24 30K/25 T 10K/25 T 1K 25T 73 506 73 R1 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R47 R48 R49 R50 R51 R52 R53 R54 R55 R56 R57 R58 R59 R60 R61 R62 R63 R64 R65 R66 R67 R68 R69 R70 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 TP26 TP27 TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35 TP36 TP37 TP38 TP39 TP40 TP41 TP42 TP43 TP44 TP45 TP46 TP47 TP48 TP49 TP50 TP51 TP52 TP53 TP54 TP55 TP56 TP57 TP58 TP59 TP60 TP61 TP62 TP63 TP64 TP65 TP66 TP67 TP68 TP69 TP70

A.4 BOARD LAYOUT – TOP LAYER AND SILK-SCREEN

MICROCHIP MCP390X Evaluation Board J2 Daughter Board 102-000057

A.5 BOARD LAYOUT – BOTTOM LAYER

Pure electrical circuit lines without any symbols

Appendix B. Bill Of Materials (BOM)

TABLE B-1: BILL OF MATERIALS (BOM)

Qty	Reference Description	tion Manufacturer Part Number
5 C1	C2, C3,C20, C21	033 μF 100V 10% MONOLIT CERM CAP	EPCOS B37987M1333	K000
7 C4	C6, C10,C12, C14,C15, C19	CAP .1 μF 16V CERAMIC X7R 0805 Panasonic® - ECG ECJ-2VB1C104K
2 C5	C13 CAPACITOR	TANT 10 μF 6.3V 20%SMD	Nichon F930J106MAA
2 C8	C9 CAP 22 PF	50V CERAMIC 0402 SMD Panasonic - ECG ECJ-0EC1H220J
1	C11	CAP 220 μF 10V ELECT FC RADIAL	Panasonic - ECG	EEU-FC1A221S
1	C16	01 μF INTERFERENCE METAL CAP	Panasonic - ECG	ECQ-U2A103MN
1	C17	.47 μF/630VDC METAL POLY CAP	Panasonic - ECG	ECQ-E6474KF
1	C18	CAP 470 μF 35V ELECT FC RADIAL	Panasonic - ECG	EEU-FC1V471
30	C1, C2, C3,C20, C21, R1,R2, R5, R11,R12, R23, R24,Z3, Z4, Z8	PIN RECPT .015/.025 DIA 0252 SER Note* - 2 Pins per Location	Mill-Max®Manufacturing Corp.	0252-0-15-15-30-27-10-0
1	D1	LED GREEN CLEAR 5MM ROUND	Panasonic - SSG	LN31GCPH
1	D2	RECTIFIER GPP 400V 1A DO-41	Diodes Inc	1N4004-T
1	D3	DIODE ZENER 15V 1W 5% DO-41	Diodes Inc	1N4744A-T
1	D4	LED RED CLEAR 5MM ROUND	Panasonic - SSG	LN21RCPH
1	J1	AC OUTPUT CONNTop or Bottom placement	SCHURTER	4300.0251
1 J2	“DO NOT INSTALL” —		—
1	J3	AC INPUT CONNTop or Bottom placement	SCHURTER	GSP1.8101.1
6 J5	J6, J7, J8,J9, J10	TERMINAL BLOCK 5MM VERT 2POS PCB	Jameco Valuepro TERM	MBLK-R
4	J1 & J3	SCREW MACH PHIL 4-40X3/8 NYLON	Building Fasteners	NY PMS 440 0038 PH
4 J1	& J3	NUT HEX 4-40 NYLON	Building Fasteners NY HN	440
7 JP	JP1, JP2, JP4,JP9, JP10,JP11, JP12	HEADER, .1"ST MALE, 1RW, 3PIN,(10) .025"PST, .23"GOLDTAIL	Jameco Valuepro 7000	-1X3SG-R
8	JP3, JP15,JP13, JP14,JP18, JP20,JP21, JP19	"HEADER, .1""ST MALE, 1RW, 2PIN,(10) .025""PST, .21""GOLDTAIL	Jameco Valuepro 7000	-1X2SG-R
1 JP5	HEADER,.1"ST MALE,2RW,8PIN,.025"PST,.23"GOLDTAIL (10)		Jameco Valuepro 0-2X	4SG-R
Qty	Reference	Description	Manufacturer	Part Number
1 JP6	HEADER, ST MALE, 2RW, 4PIN, .1""CTR, .025 PST,	Jameco Valuepro 2X2SG-R
2 J1	1, J12 TERMINAL BLOCK 5MM VERT 3POS PCB	Jameco Valuepro DT128V3P-R
15 JP1, JP2, JP3, JP4, JP5, JP6, JP9, JP10, JP11, JP12, JP13, JP14, JP15, JP19, JP20	.100" Shorting Block with Handle Jameco	Valuepro 2012JH-R
1 MOV1 Suppressors;	Clamping Voltage Max.:710V; Peak Surge	EPCOS SIOV-S20K275
1 PCB RoHS Compliant Bare PCB, MCP3905A/06A Evaluation Board		Microchip Technology Inc.	104-00057
5 R1, R2, R5 R23, R24	RES 1.00K OHM 1/4W 1% METAL FILM	Yageo® America MFR-25FBF-1K00
3 R7, R14, R18	RES 820 OHM 1/4W 5% 1206 SMD	Yageo America	RC1206JR-07820RL
1 R9	RES 475 OHM 1/10W 1% 0805 SMD	Panasonic - ECG ERJ-6ENF4750V
1 R10	RES 4.75K OHM 1/10W 1% 0805 SMD	Panasonic - ECG	ERJ-6ENF4751V
2 R11, R12	RES 30.1 OHM 1/4W 1% METAL FILM	Yageo America	MFR-25FBF-30R1
1 R13	RES 10.0K OHM 1/10W 1% 0805 SMD	Panasonic - ECG	ERJ-6ENF1002V
2 R19, R20	RES 20.0 OHM 1/8W 1% 1206 SMD	Panasonic - ECG	ERJ-8ENF20R0V
1 R21	RES 470 OHM 1W 5% METAL OXIDE	Yageo America	RSF100JB-470K
1 R22	RES 10 OHM 1/8W 1% 1206 SMD	Panasonic - ECG ERJ-8ENF10R0V
1 SW1	SWITCH TACT 6MM MOM 100GF	Omron Electronics Inc.	B3F-1000
7 TP1, TP2, TP3, TP5, TP6, TP7, TP8	“DO NOT POPULATE”	Keystone Electronics®	5012
1 U1	MCP3905A PWR Meter Chip	Microchip Technology Inc.	MCP3905A-I/SS
1 U2	IC VOLT REG 5V 100MA 8-SOIC	Fairchild Semiconductor®	KA78L05AD
1 U3	CHANNEL OPTO COUPLER TRANS DIP	NEC	PS2501-1-A
1 VR1	POT 1.0K OHM 3/8" SQ CERM SL MT	Bourns Inc.	3296Y-1-102LF
1 VR2	POT 100K OHM 3/8" SQ CERM SL MT	Bourns Inc.	3296Y-1-104LF
1 VR6	POT 500K OHM 3/8" SQ CERM SL MT	Bourns Inc.	3296Y-1-504LF
1 Y1	CRYSTAL 3.579545MHZ 17PF HC49/US	ECS Inc.	ECS-35-17-4X
2 Z1, Z2	BEAD CORE SINGLE 3.5X9MM AXIAL	Panasonic - ECG	EXC-ELSA39
2 Z3, Z4	RES332KOHM1/4W1%METALFILM Socket	Yageo America	MFR-25FBF-332K
1 Z8	RES 499 OHM 1/4W 1% METAL FILM	Yageo America	MFR-25FBF-499R
5 EA corner of PCB and on in the middle	BUMPON TALL TAPER SQ .50X.23 BK	3M/ESM	SJ-5518 (BLACK)

Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components.

NOTES:

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