Page 38 - PEN eBook February 2024
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          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

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