IGBT TECH

Summary IGBT desaturation is a not unusual phenomenon within the operation of IGBTs, which drastically influences their overall performance and reliability. this newsletter introduces the definition, reasons, and consequences of IGBT desaturation, as well as measures to solve the problem of IGBT desaturation. Introduction IGBT is a high-overall performance energy semiconductor device that mixes the […]

In the field of power electronics, Insulated Gate Bipolar Transistor (IGBT) is a widely used semiconductor switching device. It combines the advantages of high input impedance from Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) and strong current-carrying capability from Bipolar Junction Transistor (BJT). However, during its operation, IGBT may encounter various faults, with overcurrent and short circuit being […]

IGBT and MOSFET are two different types of semiconductor devices widely used in electronic circuits to drive high-power loads. While they share some similarities, there are significant differences between the two. Below, we will detail the characteristics and distinctions of these two devices. I. Structural Differences MOSFET: Structure: Consists of a metal gate, oxide insulation […]

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 […]

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 […]