Import the subcircuit based VHDL-AMS battery model

Importing the my_batt3.vhd subcircuit-based VHDL-AMS battery model into Twin Builder lets you have a single-level text model to import into your personal library.

1. Import my_batt3.vhd into Twin Builder using Tools > Project Tools > Import Simulation Models. Select the SDB tab and select v_out. This sets v_out to be saved to the database when this model is used in Twin Builder. Leave all others at their default values. Click OK.

   

Several definitions for my_batt3 should now show up under the Definitions/Components, Definitions/Symbols, and Definitions/Models folders in the Project Manager pane Project tab.

2. Edit the my_batt3 symbol by double-clicking the file in the Definitions/Symbols folder. The following default symbol should appear:

   

3. Bring in the battery symbol created in Example #1 (for use in this example); In the Component Libraries window, expand the Personal Library my_vhdl_library created in Example #1. Select the my_batt component, and then right-click and select Edit Component. In the Symbol section, click Edit to bring in its symbol as well.

   

The following dialog box appears.

4. Click Yes.
5. Cascade the editing windows using the Window/Cascade menu item. Close all other editing windows.
6. Tile the two symbol windows horizontally to allow easy copy and paste

The following should now appear:

7. Select the graphics from the my_batt symbol window, and copy and paste it into the my_batt3 symbol window. You should now see the following in the my_batt3 symbol edit window.

   

8. Close the other symbol editing window.
9. Delete unwanted graphics and rotate the two pins by right-clicking and using Rotate and Flip Vertical as needed.

   

10. Rotate the pin names in similar manner.
11. Move the pins and rename the text so that the symbol now appears as follows:

    

12. Update the Project Symbol Definition for my_batt3 via Symbol>Update Project, then close the symbol editing window.