Discover onsemi's comprehensive guide that combines detailed technical specs with practical development advice, offering a solid resource for your projects. Learn about types of UPS and about typical and most used topologies.
onsemi’s silicon carbide (SiC) and innovative packaging technologies are the gateway to improved density, reducing system losses and simplifying cooling thus improving overall system reliability across a wide range of mission critical UPS systems. Our system expertise has been encapsulated into an array of optimized power modules supporting all key power stage topologies along with power discretes and tailored isolated gate driver solutions. We recognize the critical nature of UPS systems so have formulated an "infrastructure-class" reliability framework. Our robust physical modeling delivers predictable simulation results that reflect real world operation, thus accelerates development time.
Our SiC MOSFETs are designed to be fast and rugged and include system benefits from high efficiency to reduced system size and cost. MOSFETs are metal–oxide–semiconductor field-effect transistors with insulated gates. These silicon carbide MOSFETs have a higher blocking voltage and higher thermal conductivity than silicon MOSFETs, despite having similar design elements. SiC power devices also have a lower state resistance and 10 times the breakdown strength of regular silicon. In general, Systems with SiC MOSFETs have better performance and increased efficiency when compared to MOSFETs made with silicon material.
There are many advantages to choosing SiC MOSFETs over silicon MOSFETs, such as higher switching frequencies. High-temperature development is also not a concern when using SiC MOSFET modules because these devices can operate efficiently even in high heat. Additionally, with SiC MOSFETs, you benefit from a more compact product size because all components (inductors, filters, etc.) are smaller.
Our Silicon Carbide diodes use a completely new technology that provides superior switching performance and higher reliability to silicon.
Many people have been using silicon diodes in their machinery, but there is a new option for those looking for better efficiency. SiC diodes are diodes that allow for higher switching performance. They have greater power density and overall increased efficiency. Their reduced energy loss also helps to lower system costs.
Compared to silicon diodes, silicon carbide diodes are more efficient and resistant to high temperatures. They work at high frequencies and higher voltages. Since SiC diodes have faster recovery times than silicon diodes, they're ideal for any kind of current that requires a quick transition from blocking to conducting stages. They also don't get as hot as silicon, allowing them to be used in higher-temperature applications with more efficiency.
Read about UPS topologies and how they can ensure continuous power availability for all variants of critical equipment.
Discover onsemi module portfolio that delivers: superior performance, lower thermal resistance than discrete devices and industry standard packages.
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