Microchip Technology PAC1710 User Manual Download Page 1

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2015 Microchip Technology Inc.

DS50002367A

PAC1710 and PAC1720

High-Side Current Sensors

Evaluation Board

User’s Guide

Summary of Contents for PAC1710

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

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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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