UCC27528D

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The UCC27528D is a single-channel high-side/low-side gate driver integrated circuit (IC) designed to drive a wide range of MOSFETs and IGBTs. It is ideal for use in high voltage power switching applications where low on-resistance and low gate charge are desired, such as servers and telecom power supplies. As a gate driver, the device\'s main function is to control the turn-on and turn-off of power MOSFETs and IGBTs. It can also be used to drive Darlington transistors, although the on-state and off-state times may be slower than with MOSFETs.

The UCC27528D is classified as PMIC - Gate Drivers. It is ideal for high voltage power switching applications where a high level of precision is required. It features an integral high-side MOSFET for the power switching circuit, eliminating the need for an external MOSFET.

The UCC27528D features a voltage range from 12V to 28V, a 5.5 nA supply current, and a peak output current of 1.2A. It also offers a propagation delay of typically 6.6ns and a low input current of just 8µA. The device provides an adjustable dead time to ensure that both sides of the power switching circuit are disabled simultaneously. Additionally, the device includes internal current limiting, auto-restart on fault, and protection against ESD, overvoltage and overcurrent.

The UCC27528D is powered by the gate voltages of the MOSFETs or IGBTs it controls, eliminating the need for an external power source. The primary gate and secondary gate (OC) are both designed to connect directly to the MOSFETs or IGBTs. The device also has a control connector (CTRL) for connecting to logic level signals for controlling the device. Additionally, the device is able to interface to digital logic with no external components.

The UCC27528D works by regulating the gate voltage of the MOSFETs or IGBTs it controls. The device takes an input logic signal and uses it to generate an output signal that gates the MOSFETs or IGBTs. This is done by the application of the gate voltages, with the high and low sides being regulated using the integral high-side and low-side MOSFETs. In addition, the device also offers fault detection and auto-restart capabilities to ensure reliable operation.

Overall, the UCC27528D is an ideal solution for high voltage power switching applications where precision and low power consumption are desired. The device provides efficient and reliable control of power MOSFETs and IGBTs in the most demanding applications. Its integrated design eliminates the need for external power supplies, and its easy integration into digital logic systems makes it a cost-effective solution for many different power switching applications.

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