Biricha WDS
Power Supply Design Tool

​​Design stable analog and digital power supplies in minutes!

New Version 3.3 – Now with Boost, Buck-Boost and SEPIC Support 

Stabilising a power supply using WDS could not be simpler. The user simply selects their topology and types in their input/output specification into WDS. The software will then automatically select the appropriate component values for this design. At any stage the user can change the component values away from those automatically calculated by WDS and enter the actual component value used in their design.

From power stage component selection to poles, zeros and controller coefficients; our advanced PSU design software, WDS, will greatly simplify the task of designing a power supply whilst still keeping you in control at every stage of the process.

WDS has been designed as the ultimate toolbox for the power supply design engineer.

• Designs and stabilises analog and digital PSU control loops in minutes
• Automatically calculates poles and zeros as well as component values of the worlds most popular topologies
• Sophisticated control algorithms stabilise digital power supplies with automatic coefficient calculations for floating point, 32 bit and 16 bit processors
• Special features allow manipulation of digital compensator coefficients for a host of micro-controllers
• Automatic compensator design for isolated power supplies with TLx431/LMx431 industry standard optocouplers
• Simulations in time domain, frequency domain and ability to superimpose real measurements on simulated data

Get hands on experience with WDS and a complimentary license

We regularly run hands-on workshops. All attendees of our analog and digital DC/DC workshops will receive a time-limited complimentary license for WDS if they wish to try it.

Easily verify the stability of your power supply using the Bode plots in WDS.

​WDS will automatically place the controller poles and zeros such that the power supply will meet the stability criteria (crossover frequency and phase margin) specified by the user in both analog and digital domains. In addition, all component stresses, transformer specification and losses will be dislayed so that the user can quickly select the correct parts.

This is an extremely powerful power supply design tool with the aim of saving you months of R&D time.

​Key Features

• Fully automated and fully customizable designs: you are always in control
• Automatically selects compensator poles and zeros to achieve your specified crossover frequency and phase margin
• Easily switch between default calculated values and customized user defined values
• Automated controller design for both voltage mode and peak current mode control
• Full support for opto-isolated compensators with both user defined and pre-characterized optocouplers
• View your power loss budget usage in real time: calculated losses are updated as you change values
• View plant, compensator and loop Bode plots and overlay real measurements from the Bode 100 VNA
• Calculate digital controller coefficients with the correct scaling factors: in addition to generic coefficient calculations there are dedicated tabs for a host of popular microcontrollers

All this and more! Download the free trial today! The trial mode is fully featured however, the input/output voltages are locked. All other features can be used.
All attendees to our analog and digital DC/DC workshops will receive a complimentary license for WDS.

Topologies

WDS currently supports the following topologies with both analog and digital control loops.​

• Buck
• Single switch forward
• Two switch forward
• Push pull
• Half bridge
• Full bridge
• Flyback CCM
• Flyback DCM
• Inverting Buck-Boost – NEW in version 3.0
• Boost CCM –  NEW in version 3.0
• Boost DCM – NEW in version 3.0
• SEPIC – NEW in version 3.3

​In both Analog and Digital Domains

​Digital Controller Design Functionality

WDS is the only tool that, as well as designing the power supply, will automatically calculate the correct coefficients for a stable digital controller. Both floating point and fixed point controllers are supported. For fixed point controllers, WDS allows the user to specify the word length, integer bits, fractional bits and whether signed or unsigned arithmetic is to be used. There are dedicated coefficient calculators for a host of popular microcontrollers from:

• TI
• Microchip
• ST
• Infineon

as well as a generic calculator suitable for most other devices.

Bode 100 Support

The Bode 100 support for WDS allows the user to import and export data to the Bode Analyzer Suite (BAS) software from Omicron Lab. BAS is used to interface with the Bode 100 vector network analzyer and allows the user to measure the frequency response of the loop, plant and compensator in order to verify the crossover frequency and phase margin. WDS will allow you to overlay the actual measured frequency response from the Bode 100 VNA on top of the simulated traces within WDS.

Overlay Real MeasurementsUsing WDS with Bode 100 support you can easily overlay real world measurements acquired using the Bode 100.

Bode 100 HardwareTest setup showing Bode 100 available from Omicron Lab

Download Now

An evaluation version of Biricha WDS can be downloaded by filling out the form below. This has full functionality, however, the input/output voltages and current ranges are limited until a license is purchased and entered into the software via the “Help” -> “License” menu.