Three Phase AC Current Measurements Using Current Transformer Reference Design
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Key Document
Description
The TIDA-00753 reference design demonstrates high accuracy wide range AC current measurement for a three phase motor using the INA199 zero drift current shunt monitor. The design also has low power consumption of 25mW for Gain stage of 200 as compared to a discrete solution. The design footprint and BOM cost is much smaller than a discrete solution due to the integrated high precision resistors inside the INA199.
Features
- 0.5 % Accuracy (Uncalibrated) for 10 to 100 % of Full Scale Primary Current
- Power Consumption of 25 mW for Gain Stage
- Small Footprint no need of External Resistors for Amplfication
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Schematic/Block Diagram
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Design Guide
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TI Devices (3)
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CAD/CAE symbols
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Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at http://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
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Technical Documents
View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.
User guides (1)
| Title | Abstract | Type | Size (KB) | Date |
| | | PDF | 4026 |
10 Jun 2016
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Selection guides (1)
| Title | Abstract | Type | Size (KB) | Date |
| | | PDF | 1596 |
04 Apr 2018
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Design files (6)
| | | ZIP | 284 |
23 Mar 2016
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| | | ZIP | 1590 |
23 Mar 2016
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| | | PDF | 328 |
23 Mar 2016
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| | | PDF | 73 |
23 Mar 2016
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| | | PDF | 80 |
23 Mar 2016
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| | | PDF | 382 |
23 Mar 2016
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