UCC27525DGN

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The UCC27525DGN is a high-performance gate driver integrated circuit (IC) that is part of the Power Management Interface Controller (PMIC) family. It is a single-channel dual-gate driver with a wide range of applications, including automotive, industrial and consumer electronics. It features current driving capability of up to 4A, on-state leakage current of less than 20 μA, VDD of 2.75V to 5.5V, adjustable dead time and slew rate control, input current limit of up to 10mA and over-temperature protection.

This integrated circuit provides galvanic isolation between the input and output, which allows a wide range of voltage levels between the two. This helps prevent misfires, prevents false triggering and increases safety by limiting energy transfer between the two elements. The device also includes an adjustable high-side pre-driver trip point. This improves system reliability by preventing excessive current consumption when the high side of the circuit needs to be disabled. The device includes an enable/disable function, which allows users to enable or disable the device when necessary.

The UCC27525DGN’s primary application field is as a high-current gate driver for power MOSFETs and IGBTs. It is well-suited for automotive and industrial applications where it can provide fast switching for high-current applications. It can also be used to drive multiple devices in parallel with peak currents up to 8A. It is also suitable for battery and self-supplied applications, with adjustable dead time and slew rate control. This helps reduce ripple in the power supply, increasing power efficiency.

The working principle of the UCC27525DGN is simple. An input signal is received and the device amplifies and translates this signal, providing the necessary current to drive the power MOSFET. The input signal can be any type of signal, such as pulse width modulation (PWM), direct current (DC) or logic signals. If a logic signal is used, the level shifter in the device translates the signal between logical levels. The device also includes over-temperature and short-circuit protection.

In summary, the UCC27525DGN is a reliable gate driver IC that can be used in a wide range of applications. It is well-suited for battery and self-supplied applications, with adjustable dead time and slew rate control, and can drive MOSFETs up to 8A peak. It features current driving capability of up to 4A, and provides galvanic isolation between the input and output. In addition, the IC has over-temperature and short-circuit protection. The device can be enabled and disabled when necessary, and is suitable for a wide range of automotive, industrial and consumer electronics applications.

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