MIXA81H1200EH

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Introduction

MixA81H1200EH is an intelligent gate drive module (IGM) type high voltage insulated-gate bipolar transistor (IGBT) module. This IGBT module has been designed for uses in motor drive systems, in particular traction and other types of high-power motor applications. It combines intelligent gate drive technology with isolated integrated gate drive power, which protects the IGBT module from surges and over voltage.

Structure

MixA81H1200EH consists of four IGBT power blocks, each including one IGBT diode, one shallow trench isolation (STI) trench gate oxide and four control elements. It also includes two integrated H-bridges, one low-side and one high-side, for controlling the IGBT blocks. Each H-bridge consists of three series-connected transistors (top, bottom, and main); the transistors of each bridge can be independently controlled by the microcontroller, allowing for faster switching and higher power.The IGBT module also includes a separate main power electrical circuit, which controls the main power module. A power converter supplies the power for controlling the power operation of the IGBT, and acts as a feedback circuit to compare the input and output signals. The IGBT module also contains two high power resistors, as well as other components such as fuses, relays, and protection diodes.

Working Principle

MixA81H1200EH operates using a single-phase high voltage insulated gate bipolar transistor (IGBT) power module. The IGBT module is activated by applying a suitable gate signal to the gate terminal of the IGBT, which in turn causes the gate and the source of the IGBT to shift together. This shift increases the voltage difference between the gate and the source, which then lowers the power resistance, thereby allowing more current to flow through the IGBT from the gate to the source.At the same time, the main power electrical circuit of the IGBT module senses the voltage drop across the gate and the IGBT, and adjusts its own power output accordingly. This ensures that the power of the IGBT module is appropriately regulated according to the input power supplied by the power converter.The IGBT modulator also includes an integrated H-bridge, which is used to control the IGBT power blocks. The H-bridge consists of three series-connected transistors, each with its own control terminals. When the control signal is applied to any of the three control terminals, the H-bridge can either be turned on or turned off, depending on the control signal applied.

Application Field

MixA81H1200EH modules can be used in a variety of applications, such as motor drives, vehicle traction, and other high power applications. It has been designed for use in high current applications and can be used in a wide range of industrial, automotive, and healthcare applications.For example, the MixA81H1200EH module can be used in motor drive applications to facilitate the control of the motor speed, torque, and direction. The module can also be used in vehicle traction applications to control the speed, torque, and braking of the vehicle. In addition, the module can be used in healthcare applications for controlling and monitoring patient vital signs and other medical device readings.

Conclusion

MixA81H1200EH is an intelligent gate drive module that includes an integrated H-bridge for controlling IGBT power blocks. This IGBT module works by applying a gate signal to the gate terminal of the IGBT, resulting in a shift of the gate and the source of the IGBT, which in turn lowers the power resistance, allowing more current to flow. The module is suitable for a variety of high power applications, including motor drives, vehicle traction, and healthcare applications.

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