Page 39 - PEN eBook February 2024

DESIGN DESIGN

Figure 3: Advantages of Kelvin-source package for SiC MOSFETs (Source: Diotec Semiconductor)

Load-dump protection in the market are available in the DO-218 package. Quantum Digital Twin
Another crucial component for EVs is the load- The TO-263AB package holds the advantage of being
dump–protection system. EVs have not only a produced in large volumes, leading to a significant
high-capacity, high-voltage main battery but also cost reduction. Helps to Increase Green
a conventional 12-V battery that is used to power
auxiliary systems, such as the infotainment system ESD protection
display, lights, wipers and more. This battery is When we talk about load-dump–protection devices, Hydrogen Production
also used to power the switch that connects and we have to introduce a similar item: ESD protection.
disconnects the high-voltage system when the car is During winter, when the air is dry, if we go to our
turned on or off. For this reason, EVs can start cars car and touch the handle, we can get an electric By Maurizio Di Paolo Emilio, editor-in-chief of Power Electronics News
with combustion engines using conventional cables shock. For human beings, it is not a problem; it’s
and vice versa. just a little shock. However, for the electronics, it
might be a serious issue, as this ESD can destroy Simply put, a digital twin is an electronic To improve the effectiveness of environmentally
During a jump-start, there is a potential risk of a the electronics. Regarding the charging cable, we representation of an actual thing, system or friendly hydrogen generation, Multiverse Computing,
phenomenon known as “load dump,” which involves have to touch it, which poses the risk of creating an process. In many different fields, it is used as an a business that focuses on value-based machine
the generation of a transient voltage spike when ESD discharge to the electronics of our EV charging instrument for analysis, monitoring and modeling. learning and quantum computing, used a digital twin
the battery is disconnected while the alternator is system, and that has to be avoided. To describe and simulate complicated systems with in conjunction with quantum optimization.
connected. This voltage peak, which can reach about unparalleled efficiency and accuracy, a quantum By reducing a major source of greenhouse gas, this
100 V, puts the vehicle’s electronics at risk. For this Diotec offers two components with integrated digital twin makes use of quantum bits (qubits). A approach has the potential to alter the economics of
reason, every EV must be equipped with protection ESD protection. The MMFTN620KD-AQ is a dual new era in computing power has dawned with the producing hydrogen.
against load dump. MOSFET with integrated gate-protection diodes. advent of quantum computing, which makes use of
When there’s an ESD event, the device will not be entanglement and superposition. Ametic, the digital industry association of Spain,
The load-dump–protection diode typically limits damaged. The ESDALC208 is an ESD array that can and Idea Ingeniería, an engineering business that
this voltage peak to approximately 35 V, which be used to protect signal and data lines against ESD. Traditional digital twins model complicated systems focuses on renewable projects and digital twins, are
is within the acceptable range for the vehicle’s These components should be used in EV charging with binary bits that can take on only two values: 0 partners in this endeavor for Multiverse. To maximize
electronics. Diotec offers load-tamper–protection electronics to avoid damage caused by ESD. or 1. In contrast, qubits are capable of superposition, the production of environmentally friendly hydrogen,
devices, including the LDP01 with a peak pulse which allows them to exist in more than one state Idea created the digital-twin ecosystem. Ametic is
power capability of 4.6 kW, the LDP02 (5 kW) and at once. Because of this, a quantum digital twin coordinating the project.
the LDP03 (6.6 kW), currently in the development can model and investigate more complex physical
phase. All these components come in the industry- systems by representing and analyzing a wider variety The quantum digital twin takes operational
standard TO-263AB package, whereas most devices of possibilities. characteristics for a green hydrogen production

38 FEBRUARY 2024 | www.powerelectronicsnews.com FEBRUARY 2024 | www.powerelectronicsnews.com 39