MIC4428CM-TR

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The MIC4428CM-TR is an advanced gate driver designed for use in power discrete and power integrated circuits, such as MOSFETs and IGBTs. The MIC4428CM-TR gate driver brings the advantages of low current drive, high-speed switching and superior reliability to the application. This article will cover the application field and working principle of the MIC4428CM-TR.

Application Field

The MIC4428CM-TR is a highly-efficient, low-noise gate driver specifically designed to drive both MOSFETs and IGBTs. It provides a high-degree of integration, by combining high-speed signal conditioning circuitry, pulse transformer isolation, and gate drive and control features in one package. The MIC4428CM-TR gate driver can be used for applications in the lighting, industrial control, and power management fields, including inverters, switch mode power supplies, and filtering applications. It can also be used for DC and AC motor control.

Working Principle

The MIC4428CM-TR gate driver provides a low-voltage drive to the power switch in order to reduce electrical noise. Its split-and-interleave drive capability allows for fast rise and fall times. The driver’s design uses pulse transformer isolation to reduce switching noise, support tight rise and fall time control, and reduce radiated noise. The MIC4428CM-TR features integrated MOSFET, IGBT, and bipolar current limit protections. The driver also supports interfacing with discreteSCRs, triacs, andbipolar power transistors.

The MIC4428CM-TR includes four externally accessible pins: the supply voltage, the power transistor gate, the driver’s enable, and the PCR. The driver also provides a wide range of protection features, such as UVLO, OVP, OCP, current limit and thermal shutdown. The MIC4428CM-TR offers many advantages over traditional drivers, such as improved noise immunity and reduced EMI. The driver also offers superior efficiency, superior switching speeds and superior reliability.

Conclusion

The MIC4428CM-TR is a highly integrated, low-voltage gate driver designed for use in power-processing applications. It provides a wide range of features and functions, including low-current drive, high-speed switching, pulse transformer isolation, and a wide range of protection features. The MIC4428CM-TR is ideal for use in a variety of applications, including lighting, industrial control and power management.

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