IR21084PBF

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IR21084PBF is a gate driver that operates as a power management integrated circuit (PMIC) by providing high-speed and low-side driving solutions in applications. This gate driver is the first choice for devices that require high-side and low-side drivers for high-speed galvanic isolation applications. It has an integrated bootstrap diode, which provides an alternative solution for high-side operations requiring no added external component costs. It also offers an integrated PWM high-side gate driver and a non-inverting low-side gate driver for low-side switching.

The IR21084PBF gate driver is designed to operate in the 300V power device environment with a single electrical interface. This gate driver operates at a higher speed than previous solutions designed for high-side and low-side driving operations. It provides quick response and response times that are two to three times faster than conventional low-side gate drivers. It also features improved power efficiency with its active current-mode control and fewer switching losses.

This package offers an integrated bootstrap diode, which provides an alternative solution for high-side operations. The integrated boost diode eliminates the need for any external components, resulting in cost savings. It also eliminates the need for any manual adjustments or adjustments to be made while operating in high-side conditions.

The internal high-side and low-side drive circuitry provides a higher driving capability than conventional solutions. The active current-mode control also ensures faster switching times, reducing the stress caused to the power device when a high-speed galvanic isolation application is required. This capability also minimizes the heat generated and provided more efficient operation.

IR21084PBF can be applied in applications such as high-efficiency DC-DC converters, welding, motor control, robotics, sensing, and other industrial applications. It can also be used for the control of multiple high-side and low-side switches. The low-side outputs can be configured for either active low or active high control. Other features include borderless control, open-drain capability, adjustable soft-start, adjustable frequency, programmable offset voltage, slew rate control, and short- and over-temperature protection.

The working principle of IR21084PBF is based on integrated low- and high-side gate drivers. Its main purpose is to provide a reliable and safe electrical interface between the power device and the loads. Its main features include over-temperature and short-circuit protection, low-side and high-side gate drivers, adjustable soft-start, adjustable frequency, programmable offset voltage, slew rate control, and more. It provides an efficient alternative to conventional solutions and provides a cost-effective solution for high-power switching applications.

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