IGBT is a power semiconductor switching device. Its working principle combines the characteristics of MOSFET and BJT. It controls the turn-on and turn-off of BJT through the MOS gate. It is widely used in electric vehicles, power inverters, Features such as high current carrying capacity, low on-resistance, fast switching, robustness and high efficiency in uninterruptible power supplies, motor control and renewable energy systems.
What type of device is IGBT?
IGBT (Insulated Gate Bipolar Transistor) is a power semiconductor switching device mainly used in high power and high voltage switching applications.
How IGBTs work
IGBTs combine the advantages of metal-oxide-semiconductor field-effect transistors (MOSFETs) and bipolar transistors (BJTs). MOSFETs offer high input impedance and fast switching, while BJTs offer high current carrying capability and low on-resistance. The IGBT controls the turn-on and turn-off of the BJT through the MOS gate, thereby realizing the power switching function.
Applications of IGBT
IGBT is widely used in various high power and high voltage systems, including:
- Electric vehicle inverter
- Power Inverter
- Uninterruptible Power Supply (UPS)
- Motor Control
- Renewable Energy System
Characteristics of IGBT
IGBT has the following main characteristics:
- High current carrying capacity
- Low on-resistance
- Fast Switch
- Robustness
- High efficiency
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