IRS4428SPBF

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IRS4428SPBF is a gate drive integrated circuit belonging to PMIC - Gate Drivers. The application field of the integrated circuit is related to motor control and power generation, and it can drive MOSFETs of up to 375V. The product comes with 20-pin surface mount packaging features, built-in high-side and low-side gate drivers, which are intended to be integrated into various control systems feeding the gate of switching transistors. The gate drive output is strong enough to switch gate capacitances of various power semiconductor substrates.

Thanks to its broad range of features, the IRS4428SPBF can be applied in a variety of fields, such as industrial motor controls, medical imaging products, robotics, and energy management applications. Offering high-speed switching time, integrated anti-shoot-through protection, floating drive and over temperature protection, the IRS4428SPBF is a robust solution for driving two switches.

The device integrates the logic level and power control for driving both the non-isolated and isolated power switches. The power devices that the IRS4428SPBF can drive include MOSFETs, insulated gate bipolar transistors, and N-channel MOSFETs. The logic level of the device also makes it compatible with both TTL and PMOS logic.

As for the working principle of IRS4428SPBF, it monitors the input signals provided by the controlling device and generates the necessary gate voltage accordingly. The output voltage can reach up to 10V, while its dynamic performance provides a rise and fall time of 1.5µs. The device also provides a dynamic current limit of up to 1A, which is further adjustable by an external resistor.

Another feature is the power save mode, which provides a low power consumption. In this mode, the device automatically enters a standby mode when the switching discrete is disabled. This significantly lowers the energy consumption compared to regular switching circuits while also allowing the device to cool down more quickly.

To ensure the correct functioning of the device, a wide operating temperature range of -40°C to 150°C is covered, making it suitable for a variety of applications. The device is also equipped with several protection circuits, such as under the voltage protection, over the temperature protection, and over the current protection, designed to protect the device from potential damage.

The IRS4428SPBF is a comprehensive gate driver integrated circuit with an extensive range of protection and functionality. It can be employed in any application requiring the efficient control of power switches and provides the best performance in terms of speed and dynamic current limit. Additionally, it guarantees a low power consumption and a wide operating temperature range.

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