Over temperature protection circuit design is not complicated as you may think. It could be done by using a thermistor and other discrete devices. If you have question on how to design over temperature protection circuit or planning to make one, this article is for you, so keep reading. Key Definitions Used on How to Design Over Temperature Protection Circuit
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P-Channel MOSFET is not popularly known compared to the N-Channel variant. Others said it is because difficult to deal with while others are saying it is not supply abundant and there are others saying that it is only limited to few applications. In this article, I will concentrate to the last reason, about applications. So, stay with me as I
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MOSFET power dissipation is the sum of the conduction loss and the switching losses. These power losses are very different from each other. Conduction loss is the static loss wherein the main contributor is the drain to source on-state resistance of the MOSFET as well as the drain current. While switching losses are dynamic losses that are dependent on the
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MOSFET could be used as a switch or amplifier. Regardless of the application, there is a conduction loss. Let’s explore what is the meaning of conduction loss and how to compute MOSFET conduction loss. Conduction loss is the main contributor to MOSFET power dissipation when operating in a non-switching application. Even in switching applications, conduction loss is still very significant
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How to get MOSFET correct RDSon value is the pre-requisite to compute the MOSFET conduction loss or static power dissipation. RDSon is the drain to source on-state resistance of the MOSFET. The term “correct” is relative to the target result. Supposing the target is to compute the maximum power dissipation, then the correct RDSon value must be the worst-case value.
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There are two types of losses in MOSFET. One is conduction loss and the other one is switching loss. Conduction loss is explained in detailed here. Switching loss is not as easy as computing the conduction loss. There are many parameters to consider. You need to understand these parameters to select the correct values. However, you don’t need any more
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MOSFET will not work if the gate to source voltage is not satisfied. VGS threshold is one of the specifications in the datasheet. However, it needs little understanding on how to determine the right VGS threshold. This article will discuss how to determine the correct MOSFET VGS threshold. How to Determine the Correct MOSFET VGS Threshold from the Datasheet To
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These are the important things to consider on how to select a MOSFET for power electronics. These parameters when considered during the development stage, you can ensure a product with a very high reliability. 17 Key Items to Consider on How to Select a MOSFET for Power Electronics 1. Gate to Source Threshold Voltage (VGSth) Let us start this tutorial
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There are some factors to consider in calculating MOSFET power dissipation. When the power dissipation is known, it is possible to compute the junction temperature of the MOSFET. Important to take that a MOSFET installed with no heatsink has different computation strategy compared to the one with a heatsink. Small current or low power MOSFETs are usually mounted to PCB
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Two of the most common three terminal semiconductor nowadays are MOSFET and BJT. MOSFET is metal oxide semiconductor field effect transistor. It is a variant of FET. BJT on the other hand is bipolar junction transistor. It is worth to discuss MOSFET and BJT comparison to understand which part to use. Read below comparisons. 1. Application of MOSFET and BJT
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