Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased - Date

Updated

Add marging for non-linear capacitance file export for GeckoCIRCUITS

0.5.1 - 2024-06-22

Fixed

Documentation pipeline issue

0.5.0 - 2024-06-22

Added

Non-linear capacitance file export for GeckoCIRCUITS
Introduction of database manager. See the template_example.py for API changes.

Fixed

Fix some GUI data does not accept float or negative values
Fix reading GUI graph_r_e curves

Changed

API has changed according to the introduction of the database manager. See the template_example.py for API changes.

0.4.1 - 2022-07-18

Added

General: Option to delete transistors from local database
General: Gecko Exporter for GaN-Transistors: mirror 1. quadrant forward characteristic to 3rd quadrant
GUI: Add options to display virtual and original datasheet for selected transistor
#90: Add email-workflow to add new transistor to the transistordatabase file exchange (TDB-FE)
Add log(x), log(y) for adding/viewing plots

Fixed

Fix PDF preview not working due to a workaround
#93: GUI Manufacturer parameters for switch and diode must be optional
Fix GUI measurement integration method when integrating own measurement.
Fix some GUI data does not accept float or negative values
Fix some wrong labels: Units in C-curves

0.4.0 - 2022-06-20

Added

NEW: Graphical User Interface: Download exe-file, - or run the file "gui.py" within the directory ".../transistordatabase/transistordatabase/gui" to start the GUI

Fixed

#82: update_from_fileexchange() leads to failure in case of no internet connection
#84: Process is still running when closing main window
#85: Ignore missing-data messages at GUI startup
#87: Database not visible in exe-file

0.3.3 - 2022-03-20

Changed

do not re-assign r_th and c_th values when loading/creating a transistor object (do not run calc_thermal_params())
Workaround for brocken export_datasheet(): temporary only html-files available instead of pdf-files

0.3.2 - 2022-02-02

Added

Add Rohm to manufacturer list

Changes

Method 'print_TDB()' changes to 'print_tdb()'
export_dataheet() can handle with measurement data

0.3.1 - 2021-12-15

Bugfixes

#68: Improved user warning in case of no mongodb installed
#70: Save .json-files in multiple lines, to avoid that a small change is very difficult to see in version control
#71, #72: fix get_object_i/r_e_simplified

0.3.0 - 2021-12-09

Added

NEW: Option to add own measurements to the database
Add function export_all_datasheets()
#61: Add Keys to add R_DS,ON vs. junction temperature
#62: Add Keys for Gate Charge Curve
#63: Add Keys for Safe-Operating-Area

Updated

#59: simplify the usage of tdb.load('transistorname') instead of tdb.load({'name': 'transistorname'})

Bugfixes

#51: Mutable List in export_plecs
#58: Fix some units displayed in virtual datasheet
#66: Cannot get the corresponding datasheet according to the procedures in the tutorial
#67: Problem when exporting all transistors from the database to virtual datasheet

0.2.14 - 2021-11-02

Added

Helper function 'collect_i_e_and_r_e_combination' to find and associate i_e and r_e based SwitchEnergyData objects for usage in gecko exporter
Helper function 'check_keys' to validate the arguments provided to gecko exporter
constants.py: dictates the default gate voltages for switch and diodes types based on the module type
#50: Introduce new transitsor keys: r_g_on_recommended and r_g_off_recommended

Updated

Docstrings
updated calc_thermal_params function to normalize the limit selections for curve fitting
update to module manufacturers list and housing type list
#27: Update gecko exporter according to latest working
remodelled gecko exporter with added feature to find the nearest neighbours to the given v_supply, v_g, r_g if the exact curves doestn't exists
remodelled gecko exporter with added feature to re-estimate the loss curves at given gate resistor
Added case to handle gecko exporter request to find nearest neighbours in find_next_gate_voltage method
update find_next_gate_voltage method to include the check_specific_curves parameter which now skips the curves while finding out nearest neighbours

Bugfixes

fix #48: export_datasheet fails when exporting a SiC-MOSFET
fix #49: Print housing_list and manufacturer_list in case of not maching housings/manufacturers when creating a transistor

0.2.13 - 2021-09-30

Added

#37: Function to calculate thermal parameters from given thermal curve
scipy curve fitting method is utilized to extract thermal parameters

Updated

Docstrings
added calc_thermal_params function call to init block of transistor object to calculate the missing thermal parameters

Bugfixes

#19: Problems in Windows when removing cloned repo

0.2.12 - 2021-09-15

Added

Transistor method 'compare_channel_linearized()' to compare channel data with linearized data
Sphinx documentation, see here

Updated

Docstrings

Bugfixes

#44: Choose another linearisation default current for quickstart_wp()
#48: Crash when exporting virtual datasheet

0.2.11 - 2021-08-07

Added

#40 Read two curves for parasitic capacitance

Small Improvements

#35 Add Datasheet Hyperlink to Simulink loss model exporter
#34, #36 Display all exported file folders clickable
Datasheet link (.export_datasheet()) is also clickable and opens the browser to display the datasheet
#38 Update template with new examples
Small changes on datasheet displaying

Bugfixes

fix #43: Problem when paralleling transistors with no r-th-curve given
fix #39: Problem when exporting datasheet with not r_th_vector and tau_vector variables

0.2.10 - 2021-07-27

Added

#14 Virtual datasheet for IGBT and MOSFET types which collects all the plot and data of transistor switch and diode and presents a HTMl file. Use 'transistor.export_datasheet()'

Bugfixes

fix #32: incorrect template paths in PLECS exporter

0.2.9 - 2021-07-14

Bugfixes

fix #30: Bad package dependency in setup.py

0.2.8 - 2021-07-14

Added

#25 Allows only positive channel data to be stored or created for both switch and diode types, added mirror_xy_data attribute in csv2array function to do so.
#28 Integrated calculating curve characteristics at different r_g values into simuliunk exporter and added exception handlers
#29 Code cleanup and added recheck functionality for plecs exporter to find new gate voltage
#29 Added plecs exporter for MOSFET and IGBT modules (outputs separate switch type and diode type xmls)

Changed

#22 Moved exporter functions to transistor classes and removed exportFunctions.py

0.2.7 - 2021-06-28

Added

Module manufacturers, fix compatibility problem in 0.2.6

0.2.6 - 2021-06-27

Bugfixes

#3, #8 : fixes to avoid typo errors in manufacturer and housing types along with comment line additions

Added

method 'parallel_transistors()' to parallel transistors object of same type

Changed

rewrite export_to_matlab() function

Removed

remove dependency from matlab-pip-package

0.2.5 - 2021-06-10

Added

export_simulink_loss_model using new functions to search transistor elements (incl. fix #17)

Removed

export_simulink_v1 (outdated)

0.2.4 - 2021-05-28

Added

#13: GeckoCircuits Exporter exports mirrowed conducting characterisitc for negative currents

Bugfixes

#11, #12: Path displays when export to gecko (.scl) or to .json

0.2.3 - 2021-05-21

Added

Simple calculation method for mosfet gate resistor (Paper PCIM 2006: D.Kübrich 'Invetsigation of Turn-Off Behaviour under the Assumption of Linear Capacitances')

Bugfix

bug #7: was not fully fixed. Fixed now.
bug #9: in case of no err-data, fill working point with object instead of list

0.2.2 - 2021-05-11

Added

print_TDB() returns a list with transistor names
add some CREE power module housing types

Bugfix

fix #6: Avoid KeyError when using devices without err-losscurves
fix #7: wrong fill of wp.xxx_r_channel/xxx_v_channel when using transistor.update_wp() or transistor.quickstart_wp()

0.2.1 - 2021-05-06

Bugfix

Problem when reading .csv-files generated by english-language systems

0.2.0 - 2021-05-04

Added

Example template to generate a transistor object
transistor method: linearize_switch_ui_graph
transistor.switch methods: print_all_channel_data, print_channel_data_vge, print_channel_data_temp
New class LinearizedModel: Contains data for a linearized Switch/Diode depending on given operating point.
New class to store c_iss, c_oss, c_rss in Transistor.
New Transistor attribute: e_coss
Documentation drawing
Exporter: GeckoCIRCUITS
calc_object_i_e to calculate loss loss curves for other gate resistors/voltage levels
New class 'wp' to store local calculation parameters to use in your program
automatically fill 'wp' objects when using functions like find_approx_wp()
added a quick start to fill in 'wp' values quick and easy
New housing types
.json exporter

Removed

Removed Metadata class. Added its attributes to Transistor class instead

Changed

Restructured foster thermal model argument handover
Rename package to transistordatabase (instead of transistor_database) due to pip package rules
csv2array callable with options
move some functionality out of transistor class (tdb.Transistor. -> tdb.)

0.1.0 - 2021-02-04

Added

Construct a Transistor-object and save relevant data in its attributes and subclasses
Class structure documented in a class UML diagram
Save Transistor-object in an object database created with mongodb
Mandatory attributes and restricted types/values to guarantee only valid and functional Transistors can be added to the database
Matlab-Exporter