UCC27425DR

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PMIC - Gate Drivers are integrated circuits (often referred to as “chips”) that are responsible for driving the output gates of a power MOSFET or IGBT. These drivers are generally used in power applications, as they can control relatively high currents with low power consumption.

The UCC27425DR is a popular gate driver IC from Texas Instruments. It is designed for controlling large external power FETs or IGBTs in the medium to high-current range, up to 100A. It is designed for high-power applications, such as motor control and power conversion, and has a wide operating range from 4V to 36V.

The UCC27425DR has several features that make it ideal for driving high-power applications. First, it has an adjustable current limit that can be adjusted via external resistors to match the output load. This protects the device against excessive current draw. Second, it has built-in safety features that help prevent transient voltages and current spikes, ensuring the safe operation of the device. Finally, it has PWM dimming control, which can be used to regulate the output current.

The UCC27425DR uses a 5V TTL compatible logic system to control its outputs. It has two separate outputs that can be used to drive both the low side and the high side of the power FET or IGBT. The outputs can be used to either directly drive the gate of the power device, or to control a N-Channel MOSFET in a “floating” configuration. The outputs can be commanded via the control pins, which use a simple, efficient differential signaling system to reduce power consumption and increase noise immunity.

The UCC27425DR is a versatile gate driver IC that has been designed for use in high-power applications. Its adjustable current limit, built in safety features and PWM dimming capability make it an ideal choice for motor control and power conversion applications that require a reliable and efficient gate driver.

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