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Hello Power Electronics Enthusiasts, Selecting the right DC bus capacitor is a critical step in designing for both automotive and non-automotive applications. I’d like to open a discussion on this topic and share my experiences and calculations over the coming days. Let’s start by considering some key questions. Feel free to contribute your thoughts or insights in the comments! When selecting a DC bus capacitor for inverter design in EV applications: What factors should we consider while calculating capacitor ripple current? How does load current impact ripple current? How do we accurately calculate ESR (Equivalent Series Resistance) from the datasheet? How do temperature and switching frequency influence ESR? What considerations go into selecting the voltage rating of a capacitor? How do we estimate the capacitor's lifespan? Should we choose SMD or through-hole capacitors, and what criteria guide this decision? For low-voltage applications (<100V), which type is more suitable—aluminum electrolytic, film, or ceramic capacitors? How do capacitance variations depend on temperature and frequency? How do we manage thermal studies for capacitors? How can we calculate the change in delta temperature during continuous operation? I’m excited to hear your thoughts and ideas on these questions. Let’s collaborate and learn together! #LowPowerDesign #PowerManagement #HardwareEngineering #EmbeddedSystems #SystemValidation #powerelectronics

Electric Vehicle powertrain systems have a need to convert the high 400V/800V power down to lower 12V levels. While this power step down is not a new problem, the need for greater power density and smaller systems within the EV powertrain has lead to magnetic components shrinking. This shrinkage increases the switching frequencies for power components and introduced a new need for designing a clamping circuit at these high switching frequencies. This power tip will discuss the design of clamping circuits for synchronous rectifier MOSFETs at a high switching frequency. Check out the latest article: "Power Tips #136: Design an active clamp circuit for rectifiers at a high switching frequency."

High voltage battery management systems (BMS) are at the heart of #EV powertrains. Check out this block diagram to learn how our automotive grade electronic components can ensure reliable and efficient computation, communication and protection of high voltage BMS: https://lnkd.in/eviasrPR #EatonElectronics #BatteryTechnology

LLC resonant converters have become a hot topic in power electronics because they can meet the demanding performance requirements set by modern power supply designs. The LLC is one of a significantly larger family of resonant converter topologies, all of which are based on resonant tanks. Resonant tanks are circuits made up of inductors and capacitors that oscillate at a specific frequency, called the resonant frequency. Because they allow for higher switching frequencies (fsw) and reduce switching losses, these switch- mode DC/DC power converters are often used in high-power, high-efficiency applications. LLC resonant converters are ideal for power supply applications with delicate systems (high-end consumer electronics), or power-demanding operations (charging electric vehicles). #LLC #Resonantconverter #DCDC #Powerelectronics #PowerSwitches #TransformerDesign #InductorDesign #Componentselections #PowerTopologies

Gallium Nitride (GaN) MOSFETs are increasingly used in Electric Vehicle (EV) motor controllers due to their superior properties compared to traditional silicon-based MOSFETs. Here’s why they are preferred: 1. Higher Efficiency: GaN MOSFETs offer lower switching losses and higher efficiency than silicon MOSFETs. This is crucial in EV motor controllers where efficiency directly impacts battery life and overall vehicle performance. GaN can switch at higher frequencies, reducing losses in power conversion. 2. Higher Power Density: GaN devices can operate at higher voltages and currents while being smaller in size. This allows EV motor controllers to be more compact and lighter, improving the overall power density of the motor drive system. 3. Faster Switching Speed: GaN MOSFETs have faster switching characteristics compared to silicon MOSFETs. This enables higher-frequency operation, which in turn leads to smaller passive components (like inductors and capacitors), reducing the overall size and weight of the controller. 4. Thermal Performance: GaN has better thermal conductivity, meaning it can handle higher temperatures without degrading in performance. This makes GaN MOSFETs more reliable in harsh environments and reduces the need for complex cooling systems in EV controllers. 5. Reduced EMI (Electromagnetic Interference): Due to their faster switching speed and higher efficiency, GaN MOSFETs tend to produce less electromagnetic interference (EMI) compared to silicon MOSFETs, which is important for the reliability of sensitive electronic systems in EVs. 6. Smaller and Lighter Design: With higher efficiency and power density, the size and weight of the controller can be reduced. This is critical in EVs where minimizing weight is important for energy efficiency and range. Overall, the combination of higher efficiency, reduced size, faster switching speeds, and better thermal performance makes GaN MOSFETs a valuable technology for improving the performance of EV motor controllers. • #GaNMOSFET • #ElectricVehicle • #EVTechnology • #PowerElectronics • #MotorController • #Efficiency • #EnergyStorage • #PowerDensity • #FasterSwitching • #EVInnovation • #ThermalManagement • #HighPower • #SiliconReplacement • #ElectromagneticInterference • #GaNTechnology

Despite brushless DC motors’  higher efficiency, precise control, and reduced maintenance, they also come with unique challenges that can delay projects and increase cost if not managed proactively🔧. Identifying and resolving issues as early as possible remains crucial to minimize downtime and enhance productivity! EKTOS understand the common issues faced when working with brushless DC motors, including: 🛑 Commutation Errors: Sensor misalignment or failure in sensorless algorithms can lead to poor motor performance or failure to start. 🛑Electromagnetic Interference (EMI): High-frequency switching in power electronics can introduce noise, impacting nearby circuits. 🛑Thermal Management: Ineffective heat dissipation can reduce motor lifespan and degrade performance under heavy loads. 🛑Power Supply Fluctuations: Inconsistent power delivery can cause torque ripples or unpredictable motor behavior. 🛑Firmware Bugs: Issues in control algorithms can affect speed regulation, torque control, and overall motor efficiency. Our engineers address these issues early on by leveraging advanced diagnostic tools and simulation models, ensuring that your brushless DC motors integrates seamlessly into your product. With continuous monitoring and preventive maintenance strategies, we minimize potential disruptions and ensure optimal performance throughout the project lifecycle. 💡 Why Choose EKTOS? ✅ Early identification and resolution of motor issues ✅Enhanced thermal management ✅EMI mitigation strategies ✅Optimized control algorithms for smoother performance ✅Seamless integration into your electronics design By partnering with us, you can confidently reduce downtime, boost productivity, and bring your BLDC-powered products to market faster and more efficiently. 🔗 Ready to overcome BLDC challenges? Let’s collaborate! #BLDCMotors #ElectronicsManufacturing #EMI #FirmwareDevelopment #Efficiency #EKTOS #Innovation #MotorControl

Experience unmatched power efficiency with our DC/DC Buck Converters - no power derating, up to 99% efficiency, and up to 1000W power ⚡ In the world of electronics, energy efficiency is playing an increasingly important role. With rising demands for performance and miniaturization, it is becoming increasingly difficult to minimize losses in systems. Demke Electronic is presenting a groundbreaking solution with its innovative 172 Series buck converters, which master this challenge. The 172 Series DC/DC converters are distinguished by their exceptionally high efficiency of up to 99% and 1000W. This means that nearly all of the energy from the input voltage is converted into usable output power. Read more at: https://lnkd.in/dXK_5ZZ9 #demke #electronic #dcdc #power #automotive #construction #supercapacitor #truck #agv #battery

Automotive Auxiliary Drive Systems-Equipped with Diotec's DI110N04PQ-AQ MOSFET When it comes to developing more efficient solutions, automotive auxiliary drive applications are undoubtedly a top priority. Power density, thermal performance, and space have been identified as critical areas for improvement. Diotec's 40 V low RDS (on) MOSFETs in the QFN5x6 package are well suited for a wide range of thermally demanding systems operating in the 30 to 250 W range, including water, oil, and fuel pumps. Auxiliary drive systems continuously demand components with high performance and reliability levels. QFN5x6 MOSFETs provide the ideal solution to these automotive design challenges. They offer ultimate electrical performance due to low package resistance and inductance The DI110N04PQ-AQ from Diotec Semiconductor is a 100 A / 40 V N-channel MOSFET, ready to deliver the highest performance. The very low on-state resistance of typically 1.9 mΩ helps to reduce heat generation. Its ultra-fast switching times keep power losses low even at high-frequency switching drive inverters. https://lnkd.in/eeSqG7xc #Diotec #Semiconductor #mosfet #electronics #DI110N04PQ-AQ #current #auxiliarydrive #pumps #automotive

Ideal for industrial automation and robotic applications and EV charging stations, Delta Electronics EMEA adds 48 V models to its DIN rail power supply Force-GT 3-phase type series. Sampling now with tip top technical support available from Luso Electronics these units have the following key features *Universal AC input voltage range *Built-in constant current circuit for charging applications *Full load operating temperature up to 55°C *Cold start at -40°C *Reduced no-load power consumption *Ultra-slim design *Built-in DC OK relay and LED indicator *Conformal coating on PCBA to protect against common dust and chemical pollutants #DeltaElectronics #Dinrail #3phasepower

Nidec Motor Corporation Unveils Power Semiconductor Testing Solutions for High Voltage Applications Read more: https://ow.ly/4FsN50UxfOL #electricvehicle #powermanagement #industrialengineering #testandmeasurement #highvoltage #semiconductor #power #powerelectronics