MIC4426YN

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PMIC – Gate Drivers play a vital part in the energy management of modern society. They are responsible for controlling the switching of power MOSFETs and IGBTs. In this article, we will discuss the application fields and working principles of MIC4426YN.

MIC4426YN is a high side, op-amp/floating driver with a common source output. It is designed specifically for driving MOSFETs and IGBTs in high-side switching applications such as in DC/DC converters and motor drives. The device has an adjustable slew rate to accommodate different MOSFETs and IGBTs with a minimum of external components.

The MIC4426YN features low on-resistance, short circuit protection, thermal shutdown, and a latch-up protection circuit for robust operation, making it suitable for applications in which transient interruptions, large load currents, and reverse voltage protection are required.

The MIC4426YN features a large input voltage range from 4.5 V to 20 V, providing a wide variety of low voltage power supplies. It also features a wide output voltage range from 0 V to 20 V, allowing it to be used with a variety of MOSFETs, IGBTs, and other high-side switches.

The MIC4426YN has a high speed, adjustable slew rate driver. When using the MIC4426YN, it is important to set the gate driver’s internal switching speed to avoid a mismatch with the external MOSFET or IGBT. The MIC4426YN has an adjustable slew rate of up to 10ns with a wide range of external components such as resistors, capacitors, and diodes.

The MIC4426YN uses a low power CMOS process and has excellent thermal performance. It is capable of driving up to 30A, with a peak current up to 50A, and has an operating temperature range of -40°C to +125°C.

In summary, the MIC4426YN is a high-side, op-amp/floating driver designed specifically for driving MOSFETs and IGBTs. It has a wide input voltage range, a wide output voltage range, adjustable slew rate, and low on-resistance features which make it suitable for use in high-side switching applications. It also has short-circuit protection, thermal shutdown and latch-up protection for robust operation, and it can be used with a wide range of external components for optimal performance. The MIC4426YN is a great choice for controlling power MOSFETs and IGBTs in DC/DC converters and motor drives, and any application where transient interruptions, large load currents and reverse voltage protection are required.

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