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PAC17X0 High-Side Current Sensors Evaluation Board User’s Guide

DS50002367A-page 32



2015 Microchip Technology Inc.

3.8

MEASUREMENT POLARITY

Measurement polarity can be reversed using jumpers provided in J5 for V

SOURCE

1 and

J10 for V

SOURCE

2. For normal polarity measurements, jumpers are placed in

locations 1-3 and 2-4 (default). For measurement polarity reversal, jumpers are
positioned in locations 1-2 and 3-4.

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Содержание PAC1710

Страница 1: ...2015 Microchip Technology Inc DS50002367A PAC1710 and PAC1720 High Side Current Sensors Evaluation Board User s Guide...

Страница 2: ...break Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or other copyrighted work you may have a r...

Страница 3: ...2015 Microchip Technology Inc DS50002367A page 3 Object of Declaration PAC17X0 High Side Current Sensors Evaluation Board...

Страница 4: ...DS50002367A page 4 2015 Microchip Technology Inc NOTES...

Страница 5: ...rd 12 1 4 What the PAC17X0 High Side Current Sensors Evaluation Board Kit Contains 13 Chapter 2 Installation and Operation 2 1 Getting Started 15 2 1 1 System Requirements 15 2 1 2 Installing the Eval...

Страница 6: ...Source Rotary Switch 1 37 5 3 Momentary Pulse Current Source Amplitude Rotary Switch 2 39 5 4 Momentary Pulse Current Source Duration Rotary Switch 2 40 5 5 10 Hz Pulse Train Current Source Rotary Sw...

Страница 7: ...e Description Describes the main operations in the Microchip Chip Manager software Chapter 5 Evaluation Board Demonstration Highlights several experiments with the PAC17X0 High Side Current Sensors Ev...

Страница 8: ...uotes 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...

Страница 9: ...ps 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 off...

Страница 10: ...PAC17X0 High Side Current Sensors Evaluation Board User s Guide DS50002367A page 10 2015 Microchip Technology Inc NOTES...

Страница 11: ...t provide high side bidirectional current sensing with precision voltage measurement capabilities The devices are similar except that the PAC1710 contains one current sensing circuit and the PAC1720 c...

Страница 12: ...eatures Test points and LEDs for monitoring on board function Screw terminal connections for monitoring external system current up to 20A Multiple on board adjustable current sources steady state squa...

Страница 13: ...7X0 High Side Current Sensors Evaluation Board FIGURE 1 2 PAC17X0 High Side Current Sensors Evaluation Board Top Silk Screen 1 4 WHAT THE PAC17X0 HIGH SIDE CURRENT SENSORS EVALUATION BOARD KIT CONTAIN...

Страница 14: ...PAC17X0 High Side Current Sensors Evaluation Board User s Guide DS50002367A page 14 2015 Microchip Technology Inc NOTES...

Страница 15: ...00 MCP2221 Windows Driver Installer can be downloaded from http www microchip com wwwproducts Devices aspx product MCP2221 Follow the on screen instructions to complete the installation process 2 Down...

Страница 16: ...16 2015 Microchip Technology Inc FIGURE 2 1 Driver Software Installation Window 6 After the driver installation is complete the initial setup screen for the Chip Manager application appears see Figur...

Страница 17: ...cense Agreement and accept by clicking the radio button corresponding to I accept the agreement Then click Next FIGURE 2 3 License Agreement Dialog 8 On the Installation Directory dialog browse for th...

Страница 18: ...crochip Technology Inc FIGURE 2 5 Ready to Install Dialog FIGURE 2 6 Setup Window Installation Progress 9 After the setup is complete the MSXML Parser used by the Chip Manager software is installed as...

Страница 19: ...Installation and Operation 2015 Microchip Technology Inc DS50002367A page 19 FIGURE 2 7 MSXML Parser Install Window FIGURE 2 8 Installation Complete Dialog...

Страница 20: ...oftware by either going to Windows Start button All Programs Microchip Microchip Chip Manager or by double clicking the software icon on the desktop The evaluation board software will initialize and t...

Страница 21: ...t a device Alternatively go to the Chip Manager s main menu select Options Select Device In either case the Select Microchip Device window displays as shown in Figure 2 10 In the Device list choose PA...

Страница 22: ...content then select any of the register groups as shown in Figure 2 11 The SM_ACT LED on the board starts blinking when any of the register groups are selected The register values are automatically up...

Страница 23: ...le USB cable to operate USB bus voltage is provided to the on board test current sources and the USB SMBus bridge The USB SMBus bridge regulates the 5V USB power to 3 3V used by the PAC1710 PAC1720 an...

Страница 24: ...LED STATUS INDICATORS LED Signal LED Status OFF GREEN RED 1 USB Activity No activity on USB port Activity on USB port N A 2 SMBus Activity No activity within USB SMBus bridge N A Activity within USB...

Страница 25: ...es the jumper locations on the evaluation board FIGURE 3 2 Jumper Locations This evaluation board has pin headers and jumper configurations to evaluate the features of the PAC1710 and PAC1720 devices...

Страница 26: ...t Sys mode RSENSE2 Positions 1 2 are jumpered on both jumpers PAC1720 only See Section 3 7 Sys Mode Setup and Operation J10 Polarity Normal polarity of VSOURCE2 Positions 2 4 and 1 3 are jumpered Reve...

Страница 27: ...Table 3 3 summarizes these test points TABLE 3 3 TEST POINT LOCATION Test Point Marking Monitored Signal Function 1 VSENSE1 orange SENSE 2 VSENSE1 yellow SENSE 3 VSENSE2 orange SENSE 4 VSENSE2 yellow...

Страница 28: ...or responding voltage for the PAC1720 to read at the SENSE and SENSE inputs The steady state current consumption for the rotary switch SW3 Pulse Duration settings in conjunction with the J16 jumper po...

Страница 29: ...oise The steady state current consumption for the rotary switch SW1 Steady State settings in conjunction with the J16 jumper position which sets the range are shown in Table 3 4 The square wave amplit...

Страница 30: ...mption is shown in Table 3 7 TABLE 3 6 SINGLE PULSE DURATION SW2 Position J15 Jumper Position Pins 1 2 Pins 2 3 Open 0 1 38 ms 14 68 ms 0 176s 1 2 45 ms 28 60 ms 0 347s 2 3 53 ms 42 55 ms 0 517s 3 4 5...

Страница 31: ...ent For VSOURCE1 this sense resistor is connected between J17 and J18 if using these power jacks or between J1 and J2 if using wire terminals For VSOURCE2 this sense resistor is connected between J19...

Страница 32: ...nology Inc 3 8 MEASUREMENT POLARITY Measurement polarity can be reversed using jumpers provided in J5 for VSOURCE1 and J10 for VSOURCE2 For normal polarity measurements jumpers are placed in locations...

Страница 33: ...oltage and current sense limits and read write Configuration register values The Chip Manager initially displays a Quick Help screen see Figure 2 9 For detailed information on application features and...

Страница 34: ...gister s to Plot from the context menu see Figure 4 2 to add the register or value to the plot list FIGURE 4 2 Adding Registers to Plot 2 Once the desired register is added to be plotted a graphic plo...

Страница 35: ...ected 4 1 4 Exporting and Importing the Plot Data The data on each plot window may be stored in a semicolon separated text file To save the data follow the steps 1 Stop the plotting by selecting Contr...

Страница 36: ...PAC17X0 High Side Current Sensors Evaluation Board User s Guide DS50002367A page 36 2015 Microchip Technology Inc NOTES...

Страница 37: ...the on board 1 sense resistor in fifteen discrete steps see Section 3 6 1 Steady State Current Source To demonstrate this complete the following steps 1 In the Chip Manager application select Bus Moni...

Страница 38: ...gy Inc 4 Turn the Rotary Switch 1 to move through positions 1 through F and observe the plot Figure 5 3 FIGURE 5 3 Steady State Current Plot 5 After experimenting you can stop the plot and export the...

Страница 39: ...ulse width so the demonstration is easier to see 3 Start the VSENSE range plot used in the previous demonstration 4 Turn Rotary Switch 3 to position 4 5 Turn Rotary Switch 2 to position 1 and press Sw...

Страница 40: ...d press Switch 4 Pulse Trigger button to send the pulse 6 Turn Rotary Switch 3 to position E and press Switch 4 Pulse Trigger button to send the pulse 7 Continue turning Rotary Switch 3 one position a...

Страница 41: ...TRODUCTION This appendix contains the following schematics and layouts for the PAC17X0 High Side Current Sensors Evaluation Board Board Schematic Current Sensors Board Schematic Current Sources Board...

Страница 42: ...1 J17 JACK Power 2 1 mm Male 2 3 1 J18 2 1 J11 GND 2 1 J6 2 1 J7 JACK Power 2 1 mm Male 2 3 1 J19 JACK Power 2 1 mm Male 2 3 1 J20 1 2 3 J4 J3 J3_2 J4_2 1 2 3 4 J5 Mode Select SYS 1 2 DEMO 2 3 TP1 VS...

Страница 43: ...8 mS 56 00 mS 0 683S 5 73 mS 70 60 mS 0 862S 6 76 mS 83 70 mS 1 030S 7 79 mS 96 80 mS 1 190S 8 79 mS 109 4 mS 1 350S 9 74 mS 121 6 mS 1 500S 10 70 mS 133 8 mS 1 66S 11 64 mS 145 6 mS 1 81S 12 52 mS 15...

Страница 44: ...CT SDA SCL RESET VUSB 3 3V MCP2221 VDD 1 GP0 2 GP1 3 RST 4 UART RX 5 UART TX 6 GP2 7 GP3 8 SDA 9 SCL 10 VUSB 11 D 12 D 13 Vss 14 U3 3 3V 1k 0603 5 R78 RED LD2 SM_ACT 3 3V USB_OK GREEN LD1 USB_OK 1k 06...

Страница 45: ...Schematic and Layouts 2015 Microchip Technology Inc DS50002367A page 45 A 5 BOARD TOP SILK...

Страница 46: ...PAC17X0 High Side Current Sensors Evaluation Board User s Guide DS50002367A page 46 2015 Microchip Technology Inc A 6 BOARD TOP COPPER AND SILK...

Страница 47: ...Schematic and Layouts 2015 Microchip Technology Inc DS50002367A page 47 A 7 BOARD TOP COPPER...

Страница 48: ...PAC17X0 High Side Current Sensors Evaluation Board User s Guide DS50002367A page 48 2015 Microchip Technology Inc A 8 BOARD BOTTOM COPPER...

Страница 49: ...Schematic and Layouts 2015 Microchip Technology Inc DS50002367A page 49 A 9 BOARD BOTTOM COPPER AND SILK...

Страница 50: ...PAC17X0 High Side Current Sensors Evaluation Board User s Guide DS50002367A page 50 2015 Microchip Technology Inc A 10 BOARD BOTTOM SILK...

Страница 51: ...Connector header 2 54 male 1x3 gold 5 84 MH thin vert FCI Electronics 68000 103HLF 2 J5 J10 Connector header 2 54 male 2x2 gold 5 84 MH thin vert FCI Electronics 67997 104HLF 1 J13 Connector header 2...

Страница 52: ...F 100R 1 1 10W SMD 0603 Panasonic ECG ERJ 3EKF1000V 8 R14 R25 R29 R51 R64 R65 R74 R76 Resistor TKF 10k 1 1 10W SMD 0603 Vishay Dale CRCW060310K0FKEA 12 R15 R16 R21 R26 R28 R31 R40 R43 R44 R52 R59 R66...

Страница 53: ...c PAC1720 1 AIA TR 1 U2 Microchip Analog Current Sense Monitor PAC1710 1 AIA TR DFN 10 Microchip Technology Inc PAC1710 1 AIA TR 1 U3 Microchip Interface USB I2 C UART MCP2221 I ST TSSOP 14 Microchip...

Страница 54: ...86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8864 2200 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 ASI...

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