Digital days


Digital WE Days 2023 - Virtual Conference

October 16 - 19, 2023 - It was a pleasure!

Thank you for being part of the Digital WE Days.

As always, you can stay informed about your products by looking at our online catalog.

You have missed a session or you want to get an insight? No problem, you can find all presentations on demand on our YouTube channel and in our video center.


You have questions? Please contact us:

Click here for the FAQs.

We are already looking forward to welcoming you at the next Digital WE Days.

Thumbnail AG

Alexander Gerfer, CTO Würth Elektronik eiSos Group

Our Partners

Partner presentations at the Digital WE Days

We are pleased to be able to expand our range of topics this time. The following presentations from our partners will be presented at the Digital WE Days:

Monday, October 16 at 1.30 PM

  • How to design a compact and efficient 1kW power supply | onsemi, Alessandro Maggioni

Tuesday, October 17 at 1.30 PM

  • Optical multi-gigabit links for automotive  | KDPOF, Óscar Ciordia

Wednesday, October 18 at 1.30 PM

  • Benefits of GaN in QR flyback | STMicroelectronics, Ester Spitale

Thursday, October 19 at 1.30 PM

  • Designing efficient EV charging systems with C2000™ MCUs | Texas Instruments, Navaneeth Kumar

Thursday, October 19 at 3.30 PM

  • CM/DM noise separation using oscilloscopes for more efficient EMC filter design | Rohde & Schwarz, Chun Soong Wong
Digital days

Monday, October 16

Agenda - Monday, October 16

Speaker: Sylvain Le Bras - Duration: ca. 45 min incl. Q&A

Signal integrity is much more than just having a working link on your prototype. Even if your link seems to be working it’s advisable to perform an in depth check of your signal quality, for the following reasons: 

  • Distance, throughput, environment, might increase the Binary Error Rate, reaching non acceptable values for the Error correction mechanisms of your system

IEEE Standard compliance

  • Compliance to the IEEE recommendations ensure seamless interactions between members of the network

EMC Directives Compliance

  • High Slew rates and overshoots are often the cause of non-compliances as they carry high harmonic content

Speaker: Moahmed Al-Alami - Duration: ca. 45 min incl. Q&A

In this presentation we aim provide an overview of PoE PD/PSE design options and alternatives from different IC houses and module manufacturers. This includes integrated as well as discrete options. A study of two practical power circuit Flyback converter designs (PD and PSE) will be conducted. This will involve transformer design and selection, layout and tracking issues as well as EMC challenges.

Speaker: Vamsi Krishna Gajula - Duration: ca. 45 min incl. Q&A

There are many applications of fire that are productive and warming. Fire can be a real risk if the components on pcb has not been selected correctly for high voltages. In some circumstances, incorrectly selected components can create Transient voltage, which could  cause damage to the board and even leads to spark fire. To achieve electric shock protection , electronic equipment must have an effective insulation method ,which can be divided in to clearnce and creepage distance and solid insulation materials. 

Speaker: Remco van de Griendt - Duration: ca. 45 min incl. Q&A

Do you recognize the difficulty to make a proper PCB layout so you get the most out of your SMA connector? A good SMA connector does not mean that you do not face any reflections in the transport in HF signals. There are a lot of factors you need to take care of to get the most of the connector. In this session we want to give more insight which parameters can make it that the losses/reflection are low or high. We are going more in depth into the PCB layout. And what would be impact of (small) changes on your signal integrity. WE set-up some different layout with the outcome of the changes with S11 and S21 parameters. After this session you have more insight what the impact could be of small changes in your PCB layout around a SMA connector. So if you want to dive into the world of HF signals and PCB layout sign in quick.

Speaker: Alessandro Maggioni, onsemi - Duration: ca. 45 min incl. Q&A

In this seminar, we are going to show how a compact, efficient and with high performance PFC-LLC power supply, can be implemented. The solution is a 1kW, Universal Input, 48V Output Power Supply. This design ses an innovative Multi−Mode (MM) and Continuous Conduction Mode (CCM) Power Factor Correction (PFC) controller IC designed to drive the bridgeless totem pole PFC topology, and an enhanced, high-performance current mode controller for half-bridge resonant converters, in combination with full WBG switches. This Modular concept ( PFC Flat Wire inductor, Bridgeless PFC, GaN technology, LLC 300+ kHz switching frequency and  Synchronous rectifier), brings the advantages having the Main Board PCB with 2-layers only, in a 278 × 92.3 × 50 mm board, with an overall efficiency above 96%.

Speaker: Ravindra Singh - Duration: ca. 45 min incl. Q&A

The LoRaWAN protocol is a Low Power Wide Area (LPWA) networking protocol designed to wirelessly connect battery powered IoT devices to the internet. LoRaWAN targets key Internet of Things (IoT) requirements such as bi-directional communication, Long Range coverage, end-to-end security, and Low power consumption.

LoRaWAN networks are typically laid out in a star topology in which gateways collects the data from nodes and transmits this data to central Network Server (IoT platform).

LoRaWAN IoT devices operates in ISM (Industrial, Scientific and Medical) licence free frequency band. LoRaWAN is flexible for rural or indoor use cases in smart agriculture, smart cities, industrial IoT (IIoT), smart environment, smart homes and buildings, smart utilities and metering, and smart supply chain and logistics.

Speaker: Robert Schillinger - Duration: ca. 45 min incl. Q&A

REDEXPERT Filter Designer is suited for input filters for DC-DC converters, AC-DC converters, but also output filters. The tool is very useful to design a differential mode input filter or specific noise filter without going into complex filter calculation. Instead of using trial-and-error for determining the components needed to create the filter, the REDEXPERT EMI Filter Designer does all the calculations based on a few input parameters. It uses the non-ideal component models, which includes the parasitics, to determine the performance of the filter and also takes into account system impedances. Using the correct input parameters, as described, the tool can reduce the process of making a design EMC compliant in time and cost.

Speaker: Christoph Birner - Duration: ca. 45 min incl. Q&A

Even though a transformer is a passive component, it has a great influence on the overall electromagnetic compatibility (EMC) of the power supply. In this webinar, I will highlight what we can do to keep the emissions low. I will discuss which properties of the transformer impact the EMC and I will show what techniques we can implement in the construction of the transformer to minimise this impact. I will show examples of good and bad design practices, ranging from flying leads to shield windings.

Digital days

Tuesday, October 17

Agenda - Tuesday, October 17

Speaker: Andreas Nadler - Duration: ca. 45 min incl. Q&A

Without time-consuming thermal simulations, demanding heat dissipation of assemblies cannot be solved satisfactorily. But, to what extent can simple thermal requirements on PCBs be determined with basic mathematics? How well do the results correlate with real measurements? The aim of this presentation is to show where the difference between calculation and measurement comes from, even for relatively simple assemblies.

Speaker: Steffen Schulze - Duration: ca. 45 min incl. Q&A

In this webinar we will provide an overview of the right design approach for EMC-compliant shielding of a device. The basic rules to be followed to avoid future emission and immunity problems at the housing and board level, at cables and sensitive RF circuitry can be easily explained to provide the designers with an EMC practical basis necessary for current and future designs.

Speaker: Baptiste Bouix - Duration: ca. 45 min incl. Q&A

Faster logic and larger memories on a similar footprint has led to higher signaling speeds, as computing and I/O protocols upgrade constantly to accommodate the designers’ needs. Increasing the density of components has also led to a widespread use of daughter boards to fit functions in devices.
This presentation will review:

  • The inclusion of Board-to-Board (BTB) connectors in high-speed computing and I/O signal chains
  • A panel of high-frequency signaling requirements for BTB connectors
  • The impact of high-frequency signal chains for BTB connector design, qualification and technical marketing

Speaker: Götz Schattmann - Duration: ca. 45 min incl. Q&A

ON/OFF = Switch… yes, but what if… ?  Learn in this session things, you can’t read in a datasheet.

  • WE has spent high efforts to scrutinize the behavior of many different switch-types when soldered in a vapor-phase-system.
  • Washing assembled PCBs is more and more a demand – what to bare in mind when a switch-components is on the design.  
  • Maximum electrical ratings are given on a datasheet of a switch-component – but what are the minimum ratings and why do I have to care ?
  • Collection of design-tipp-ideas we’ve seen in the field – maybe here’s a solution for your task.

Speaker: Óscar Ciordia, KDPOF  - Duration: ca. 45 min incl. Q&A

Modern automobiles integrate numerous functionalities that require high-speed links for their proper functioning, for example, cameras, radars, displays, sensors, etc. Current solutions based on copper cables do not successfully satisfy automotive requirements at a reasonable cost. However, with the incorporation of fibre optics, KDPOF makes possible optical multi-gigabit links for harsh environments at a low cost. The technology makes these links much more efficient while providing greater reliability and low-cost implementation.

Speaker: Bornwin Michael - Duration: ca. 45 min incl. Q&A

Dew point detection is vital for protecting humans and machines. The dew point is an essential environmental parameter that signifies the temperature at which air reaches saturation, resulting in condensation. This condensation can have detrimental effects, such as causing damage to delicate equipment, creating hazardous conditions, and posing risks to human health and safety. MEMS (Micro-Electro-Mechanical Systems) humidity sensors offer compact and reliable monitoring, enabling real-time dew point detection. Continuous monitoring mitigates risks to equipment, hazardous conditions, and human health, ensuring safety and optimal performance.

Speaker: Timur Uludag  - Duration: ca. 45 min incl. Q&A

The new MagI³C Power Module Designer guides you through the complete selection and configuration process for a power module design-in. Based on the application requirements for the input, like voltage, and the output, like voltage and current, a module recommendation will be provided. Based on this, each feature can then be individually configured and simulated, allowing performance parameters like efficiency or output voltage ripple to be analyzed. The complete design flow can be exported as a pdf with a BOM  including the parts selected in the tool.

Digital days

Wednesday, October 18

Agenda - Wednesday, October 18

Speaker: Simon Mark - Duration: ca. 45 min incl. Q&A

When designing a complete solution of SPE, a structured approach is extremely important. This can ensure space, weight and cost reductions of over 50%.This presentation will demonstrate the approach to designing an interface for Single Pair Ethernet with and without Power over Single Pair and explain the necessary steps. The first thing to consider when designing is whether Power over Single Pair is desired. If a pure data transmission is planned, an extremely compact design can be created. However, if additional power transmission via SPE is to be present, other components must be used. This is because using the passive components that are also used for SPE without power transmission would result in a weight and cost increase by a factor of two. By an intelligent choice of the filter components, an optimal circuit can be designed for a single pair Ethernet interface without or with additional power transmission, which meets all the required criteria.
After the presentation, the circuit designer is able to independently create the optimal solution for him using simple steps.

Speaker: Robert Schillinger - Duration: ca. 45 min incl. Q&A

A lot of applications need power conversion down to small voltages. This presentation gives you a step-by-step manual for filtering the power supply. We will show time domain and frequency domain methods for precompliance measurements to find different sources of noise inside this kind of powersupplies.

Speaker: Lukas Hölscher - Duration: ca. 45 min incl. Q&A

DC-Link capacitors are used in high-voltage applications to provide the necessary energy buffer between different DC power stages like a rectifier and a DC-DC Converter, DC-AC Inverter and others. Würth Elektronik eiSos presents the new WCAP-FTDB DC-Link Film capacitors to offer solutions for the high power density future applications in the e-Mobility and renewable technologies. We will provide insights into the calculation of the necessary capacitance and component selection for a DC-Charger application, as well as considering also the use of alternative electrolytic capacitors.

Speaker: Alexandre Chaillet - Duration: ca. 45 min incl. Q&A

Decrease the temperature of your PCB without any effort ? That is possible.

We will quickly describe how to design traces with current through 2 main IPC standards and apply them through concrete examples and tests. This thermal picture shows temperature rise with same traces, same connectors and current with different configurations. Curious to know how this is done ?

At the end of the presentation, you will know better how to make your PCB cooler with simple tips.

Speaker: Ester Spitale, STMicroelectronics - Duration: ca. 45 min incl. Q&A

GaN brings benefits in power conversion thanks to lower parasitic capacitances which allow to reduce the losses and increase the operating switching frequency. Depending on the topology, GaN technology can be used to obtain higher efficiency or to increase the power density, this reducing the size of the application. QR flyback with GaN switch gains both in efficiency and in power density, with respect to a similar solution with silicon. Additionally, a comparison between QR flyback with GaN and active clamp flyback with GaN will be shown.

Speakers: Bodo Mumm & Pascal Baranger - Duration: ca. 45 min incl. Q&A

To sell a radio product into the market it is necessary to fulfill all national requirements. Beside the common aspects of EMC, safety and health for a radio device the radio spectrum matters to guarantee an efficient use of its limited resource. Although these aspects are already considered on level of the Würth Elektronik eiSos radio modules it is important that the manufacturers of the end devices engage with this topic, as they are fully responsible. This presentation gives an insight in requirements for the radio spectrum and protocol.

Speaker: Deepthi Poonacha - Duration: ca. 45 min incl. Q&A

Wireless power transfer (WPT) technology is rapidly evolving as an alternative to existing electronics that use cables to supply power. The new Qi2.0 standard developed by the Wireless Power Consortium (WPC) and the Ki standard for the kitchen appliances, provide more opportunity for innovation. Near Field Communication (NFC) technology is extensively used with WPT to enable simultaneous power transfer and data communication between devices like smartphones and fitness tracker. This presentation will give an insight into recent trends in WPT and the synergy when combined with NFC.

Speaker: Dominik Köck - Duration: ca. 45 min incl. Q&A

Light is incredibly versatile and offers possibilities in sensing applications beyond lighting, signaling and horticulture.
We will shine light on working principles of optical sensors, provide basic understanding of relevant optical material properties in an application and the effect of external influences such as incident sunlight.

Digital days

Thursday, October 19

Agenda - Thursday, October 19

Speaker: Khaled Elshafey - Duration: ca. 45 min incl. Q&A

In this webinar, I will start with an overview about the Flyback topology which it is one of the most topology uses in low power Switch mode power supply. Then I will give a deep understanding about Flyback transformer (couple inductor) and the key parameters for optimization, EMI improvement and leakage inductance with some practical examples.

Speaker: Muhammad Ahsan Abbasi - Duration: ca. 45 min incl. Q&A

  • Introduction to EMC
  • Applicable EMC Standards to your product
  • Overview of EMC measurements
  • EMC troubleshooting and optimization techniques
  • Impact oft the placement of filter components on PCB using Buck converter example
  • Real measurement results from EMC lab Munich
  • Short Introduction to new EMC lab HIC Munich
  • Q&A

Speaker: Tristen Boeckx - Duration: ca. 45 min incl. Q&A

The concept of creating a low impedance (return) path plays a crucial role in enhancing EMC performance. A low impedance path serves as a vital foundation for improving electromagnetic interference (EMI), electromagnetic susceptibility (EMS) and achieving optimal signal integrity. During this online seminar, we will explore the key principles and strategies for designing and implementing an effective low impedance (return) path. We will delve into topics such as grounding techniques, PCB layout considerations and component selection/placement optimization.” 

Speaker: Stephan Baechle - Duration: ca. 45 min incl. Q&A

When it becomes necessary to transfer high current to the PCB, press-fit technology can be an interesting option. It combines low contact resistance with high mechanical stability and offers various mounting options. In this seminar we will have a closer look on the electrical and mechanical performance, but we will also show how to use the technology properly to understand the press-fit process in order to achieve beneficial results.

For those who are questioning if they can apply press-fit technology into their process or have other demand that do not allow to use this technology, we will introduce alternative high current components in SMT and THR technology in order to find the best solution for every application.

Speaker: Navaneeth Kumar, Texas Instruments - Duration: ca. 45 min incl. Q&A

New EVs have higher ranges and larger battery capacities than their predecessors, necessitating the development of fast DC charging solutions. Higher switching frequencies along with wide band gap devices are used for power conversion and microcontrollers used in these systems need to offer accurate current/voltage measurement, faster execution of control algorithms and update PWM enabling real time control. In this session, you can learn about Texas Instruments new offering in C2000 MCU, flexibility of key peripherals and reference designs for charging solutions.

Speakers: Jens Ruckes & Balazs Markus- Duration: ca. 45 min incl. Q&A

It is very clear that in the age of the fourth industrial revolution, “Data” is the new “Steam engine” that accelerates advancement in technology. Secure connection from the field to the cloud always creates a major challenge in any modern IIoT solution. In the wake of new upcoming legislations (for example, Delegated Act for Cybersecurity to meet the RED in the EU) with respect to data security and privacy, this challenge becomes more pressing. In this webinar, we present an easy way to get your IIoT project off the blocks and on the way using simple tools.

Speaker: Chun Soong Wong, Rohde & Schwarz- Duration: ca. 45 min incl. Q&A

Conducted emission measurements help to understand the power converter performance which can be improved by EMI input filters. In order to reduce conducted emissions significantly it is important to understand the total noise spectrum incl. the separation into common mode and differential mode. While running multiple FFT correlated with the time domain an oscilloscope like the R&S®RTO06 captures the noise results which enable optimized EMI input filters. Practical measurement examples demonstrate the iterative filter design process.

Speaker: Susanna Engel Rodrigues - Duration: ca. 45 min incl. Q&A

As frequency products are the heartbeat of many electronic circuits, they also have their part to play when it comes to electromagnetic compatibility and interference (EMC & EMI). This presentation will take a closer look at the integration of an oscillator into a circuit. It will provide specific PCB layout recommendations and measures that can be taken to optimise the use of an oscillator - to ensure that your application doesn't have a heart attack!


You have to register individually for each presentation slot. You can do this very quickly by clicking on "Click here for registration" at bottom of the agenda for each presentation and completing the registration. On the day of the presentation you only have to login with the link from the confirmation e-mail.

The complete event is free of charge.

Registration is open now and it is also possible to register at short notice on the days of the event.

The presentations will be in English.

Timezone CET

The presentations last about 30 minutes. After the presentation there will be time for a short Q+A.

The Digital We Days are held using the Webex Webinars tool. All you need to use the tool is a PC or laptop with an integrated current browser version (preferably Google Chrome) and integrated speakers or headphones.

All presentations will be made available as recordings on this website and on our YouTube Channel.

The orgateam at is available for your questions.