SID1182KQ

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Isolators - Gate Drivers are a class of electrical devices that help isolate the electrical power systems from each other. These devices are used to control the current, voltage, or frequency when power switches, such as a MOSFET or IGBT, need to be connected between power buses or across an isolation interface.

The SID1182KQ is a dual high-side and low-side power switches gate driver, designed to drive two channels of IGBTs. It combines the necessary functions for driving IGBTs in a bridge-mode half-bridge power topology, and offers high flexibility and advanced features including a gate-to-gate current limit, adjustable dead time, low-side/high-side synchronous switches, and body-diode emulation.

The SID1182KQ is designed to maintain the safety of the connected device and its surroundings. It offers robust protection features including two-level over-current protection, thermal protection, short-circuit protection, under-voltage lock-out (UVLO), and over-voltage protection (OVP). It also features an ESD (electrostatic discharge) protection that protects the power device and input/output pins. It is capable of operating with high switching frequencies and operates from a wide 7 V to 17 V range, making it ideal for a variety of different applications.

The primary application field for the SID1182KQ is in power supplies, motor control, and inverters, where it can be used to drive power switches (such as MOSFETs and IGBTs) in half-bridge, full-bridge, and asynchronous buck topology. It can also be used in voltage doubler topologies. Additionally, the device can be used for voltage/current regulation, PFC (power factor correction) circuits, and battery charging.

The working principle of the SID1182KQ is based on the concept of high-side and low-side power switching. High-side switching is achieved by using the lower gate voltage, which translates to the gate of the MOSFET/IGBT being pulled high. Low-side switching is accomplished by using the higher gate voltage, which pulls the gate of the MOSFET/IGBT low. The device provides the necessary control signals to enable the high-side and low-side switches to operate together, allowing for the control of power delivery.

The SID1182KQ is a highly efficient and cost-effective solution for powering switches, allowing power systems to be safely isolated from each other. Its robust protection features guarantee system reliability, and its wide 7 V to 17 V operating range and high switching frequencies make it ideal for a variety of applications.

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