Isolated RS-485 With Integrated Signal and Power Reference Design
TIDA-00892
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Key Document
Description
The TIDA-00892 reference design provides a compact solution capable of generating isolated DC power while supporting isolated RS-485 communication. The design consists of a reinforced digital isolator with integrated power combined with an RS-485 communication transceiver.
Features
- Small Combination Solution (Equal to ISOW7841 Device Footprint)
- Single Power Supply Solution (No separate supply required for interface side)
- Reduced BOM Cost
- Extendable to Other Full-Duplex RS-485 Tranceivers
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Schematic/Block Diagram
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Design Guide
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TI Devices (6)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| ISOW7840 |
High-efficiency, low-emissions, quad-channel, 4/0, reinforced digital isolator with integrated power |
Isolation |
Sample & Buy |
View Design Kits & Evaluation Modules |
| ISOW7841 |
High-efficiency, low-emissions, quad-channel, 3/1, reinforced digital isolator with integrated power |
Isolation |
Sample & Buy |
View Design Kits & Evaluation Modules |
| ISOW7842 |
High-efficiency, low-emissions, quad-channel, 2/2, reinforced digital isolator with integrated power |
Isolation |
Sample & Buy |
View Design Kits & Evaluation Modules |
| ISOW7843 |
High-efficiency, low-emissions, quad-channel, 1/3, reinforced digital isolator with integrated power |
Isolation |
Sample & Buy |
View Design Kits & Evaluation Modules |
| ISOW7844 |
High-efficiency, low-emissions, quad-channel, 0/4, reinforced digital isolator with integrated power |
Isolation |
Sample & Buy |
View Design Kits & Evaluation Modules |
| SN65HVD1473 |
3.3V, Full-Duplex RS-485, 16kV IEC ESD, 20Mbps data rate, w/Enables |
Interface |
Sample & Buy |
View Design Kits & Evaluation Modules |
CAD/CAE symbols
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
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 https://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 documentation
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Datasheet (1)
| Title | Type | Size (KB) | Date |
| | PDF | 1762 |
04 Mar 2019
|
User guide (1)
| Title | Type | Size (KB) | Date |
| | PDF | 1815 |
10 Apr 2017
|
Design files (6)
| | ZIP | 274 |
15 Mar 2017
|
| | ZIP | 334 |
15 Mar 2017
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| | PDF | 496 |
15 Mar 2017
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| | PDF | 114 |
15 Mar 2017
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| | PDF | 66 |
15 Mar 2017
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| | PDF | 182 |
15 Mar 2017
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