Component Selection Based on Measured Data

by donpedro

Design of individual lighting recipes for the use of horticulture LEDs with the newly integrated “Horticulator” Image source: Würth Elektronik eiSos

Würth Elektronik eiSos has extended its free online design tool REDEXPERT. The simulation software, which has become known as the world’s most precise option for AC loss calculation in switch mode power supplies, now supports calculations for a whole range of other components. LEDs for horticultural applications, wireless modules, photodiodes and foil capacitors are among the product groups now included in the simulation tool. The properties of the components can be predicted under different operating conditions using stored data. The special feature of REDEXPERT: The calculations are made on the basis of real measured laboratory data.

With the “Range Estimator”, ranges can be calculated depending on a given data rate and link budget. Image source: Würth Elektronik eiSos

With REDEXPERT, Würth Elektronik eiSos relieves developers from having to do much of the mathematical calculating and simulating work involved with qualifying components. Taking DC foil capacitors as an example, all the graphs required for a powerful design analysis are available – based on the measurement data ∆CvsF, ZvsF, ESRvsF. The newly integrated “Horticulator” enables the design of individual lighting recipes for the use of horticulture LEDs. Starting with information on the number of LEDs used, the input current and the input connection temperature, the full spectra, photosynthetic photon flux (PPF) and wavelength color ratios can be calculated, among others.

Measured data instead of datasheet
REDEXPERT offers the great advantage that developers can base their selection of components on characteristics acquired by experimentation rather than calculations based simply on the specifications in the datasheet. For instance, the photodiodes and phototransistors from Würth Elektronik eiSos are now covered in REDEXPERT and are represented by curves of the viewing angle, spectral sensitivity, irradiance and emitter-collector. An extremely useful tool for the development of wireless solutions: the “Range Estimator”. This REDEXPERT function allows distance ranges to be calculated as a function of a given data rate and link budget.
REDEXPERT is freely available at

Würth Elektronik eiSos |

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