IGBT is a high-performance power semiconductor device commonly used in circuits driving high-power loads. I. Operation Principle of IGBT IGBT consists of two devices, MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) and BJT (Bipolar Junction Transistor). It combines the advantages of MOSFET and BJT, possessing high-voltage and high-current switching capabilities. The operation principle of IGBT can be divided […]
Using different driver boards to drive the same IGBT will result in different effects. This is because the driver board plays a crucial role in controlling the switching process of the IGBT, and different driver boards have distinct designs and functionalities that can impact the working characteristics and performance of the IGBT. Part 1: Role […]
In the semiconductor field, Gallium Nitride (GaN), as a third-generation semiconductor material, is often compared to Silicon Carbide (SiC). Despite not having as long a development history as SiC, GaN continues to showcase its superiority with features such as a large bandgap, high breakdown voltage, high thermal conductivity, high saturation electron drift velocity, and strong […]
Introduction to IGBT (Insulated Gate Bipolar Transistor) Power electronic devices play a crucial role in the Power Conversion System (PCS), enabling the conversion and control of electrical energy. Among these devices, Insulated Gate Bipolar Transistor (IGBT) stands out as one of the most commonly used power devices. Today, let’s delve into the fundamentals of IGBT. […]
Power semiconductors, as integral components of the modern electronics industry, play a pivotal role in converting, controlling, and distributing electrical energy to a variety of devices. Specifically designed to handle high-power electrical signals and control the flow of electricity, power semiconductors differ from small-signal semiconductors commonly used in low-power applications. Optimized for handling high voltage, […]
MOSFET and IGBT Technologies MOSFETs can switch at higher frequencies due to the absence of minority carrier transfer. The limitations are determined by two factors: the transit time for electrons to cross the drift region and the time required to charge and discharge the input gate and Miller capacitance. IGBT combines the advantages of MOSFET […]
Field-effect transistors (FETs) are a type of semiconductor device that is widely used in electronic devices. They have a number of advantages, including high input impedance, low noise, and low power consumption. FETs work by using an electric field to control the flow of current. Structure A FET has three main parts: a gate, a […]
When it comes to the operation of IGBT (Insulated Gate Bipolar Transistor) devices, the stability of the gate voltage waveform is of paramount importance. IGBTs are critical power switching devices commonly used in high-power applications such as inverters, converters, and motor controllers. However, if the gate voltage waveform experiences oscillations, it can lead to a […]
IGBT Absorption Circuit An IGBT absorption circuit is a circuit design that is intended to protect an IGBT from damage due to overvoltage when it turns on or off. In a circuit, an IGBT, or insulated gate bipolar transistor, is a high-power, high-speed switch that is widely used in applications such as inverters, motor drives, […]
Why IGBTs need anti-parallel diodes IGBTs are power devices that are used in a wide range of applications, including electric vehicles, renewable energy, and industrial automation. They are known for their high power density, efficiency, and switching speed. IGBTs are typically composed of four components: a collector, an emitter, a gate, and an anti-parallel diode. […]
