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TABLE OF CONTENTS
Description.................................................. 1
Board Photo ................................................. 1
Performance Summary ................................... 3
Hardware Setup ............................................ 4
Hardware Description ..................................... 5
Jumper Functions .....................................................5
Connector Functions .................................................6
Connector J3 Pin Assignment...................................7
Pin Functions ............................................................7
Solder Jumpers and Other Functions........................8
Hardware Setup Examples ............................... 9
Option 1: Nonisolated SPI Setup ...............................9
Option 2: Isolated isoSPI DC2617 Setup ................. 10
Option 3: Isolated isoSPI DC1941 Setup ................. 11
Option 4: Isolated isoSPI DC2792 Setup ................. 12
Option 5: Isolated Reversible isoSPI DC2792,
DC2350 Setup ........................................................ 13
Connecting a High Voltage Battery ......................... 14
Software Setup Overview ................................15
Arduino IDE Setup .................................................. 15
LTC2949 Windows GUI Usage ..........................18
LTC2949 GUI Setup ................................................ 18
Operation Control ................................................... 19
Multimeters ............................................................21
Plots/Data Collection ..............................................22
Plot Zoom Fit ..........................................................23
Plot Pan, Zoom, Labels ...........................................23
Change Thresholds On-The-Fly ............................... 24
Plot Trackers ...........................................................25
Export Plot Data .....................................................25
Plot Time Axis ........................................................25
Register Map ..........................................................25
Edit Register Values ................................................25
Register Context Menu ...........................................26
Display Format Selection ........................................26
Register Map Tooltips .............................................28
Register Details ......................................................28
Auto Read Menu .....................................................28
Tools Menu .............................................................29
Basic Operation Example ........................................29
Appendix A: Usage of SPI Isolator Instead of isoSPI ....32
Appendix B: CAN Based Evaluation ....................33
Hardware Requirements .........................................33
Software Requirements ..........................................33
Setup the Hardware ................................................33
DC2732A_CAN: LTC2949 CAN Firmware ...............34
CAN Messages Overview ........................................34
Basic Operation Examples ......................................40
Current, Power, BAT (100ms) .................................40
I1, P1, BAT (100ms), I2fast, BATFast (1ms to 2ms) ...... 40
I1, P1, BAT (100ms), I2fast, BATFast (average 10ms) ...41
Additional Operation Examples ...............................43
Usage of RAWRW ...................................................43
Fast Measurement ..................................................46
Serial Monitor via Linduino’s USB Port ...................49
Convert .DBF to .DBC File ....................................... 51
Resistive Divider Equation ......................................52
Definitions ..............................................................52
Appendix C: Isolation Measurement with LTC2949 ...52
Case I: Switch M1 Open ..........................................53
Case II: Switch M1 Closed ......................................53
Combine Equations of Both Cases ..........................53
– from Case II: ..................................54
Simulation with Switch Leakage Error ....................54
Appendix D: Measure Hall Sensor with
DC2732A_Basic ...........................................54
Appendix E: Synchronous Measurements with
Cell Monitors and LTC2949 .............................56
Appendix F: GUI Troubleshooting & Linduino
Programming ..............................................62
Appendix G: Log Measurements with Tera Term .....66
Log Measurement Data from DC2732A_BASIC to
TEXT/.CSV – File .....................................................66
