UCC2895NG4

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The UCC2895NG4 is an integrated power flow controller and isolated half-bridge driver from Texas Instruments, capable of controlling power circuits of up to 1.5A. It is a monolithic high-voltage device, and offers both isolation and a wide operating temperature range. It is suitable for use in high-power applications such as AC-DC converters, offline switchers, and high-efficiency, high-density power supplies.

The UCC2895NG4 is designed to optimize the efficiency and dead time of all switching power converters, using a combination of analogue and digital state-of-the-art techniques. It provides flexible control, featuring a wide range of programming and calibration options. Furthermore, it provides protection against current, voltage and temperature overloads, as well as comprehensive over-current protection features.

In terms of applications, the UCC2895NG4 is suitable for a variety of systems, such as AC-DC converters, offline switchers, high-efficiency power supplies and battery chargers. Additionally, it can be used in automotive, industrial and consumer applications, making it ideal for a wide range of uses. Furthermore, the device is capable of supporting a variety of topologies, including flyback, forward, and isolated inverting.

The UCC2895NG4’s primary function is to provide a high-voltage-powered MOSFET gate driver with integrated power switches. The device contains two isolation-breaking semiconductor switches and two integrated high-side MOSFET drivers, all of which can be used with either a single or dual input voltage. The device is capable of operating at either an open- or closed-loop mode, depending on the application.

The main working principle of the UCC2895NG4 is to provide a means of controlling and regulating the current flow from the input source to the load. It does this by monitoring the voltage and current of the source, then adjusting the duty cycle of the output PWM to match the input source. This allows for increased efficiency and power savings, which can provide a significant benefit to the user.

The UCC2895NG4 also includes a number of features to increase the reliability and reduce the size of power converters. These features include an internal temperature monitoring and fault protection, voltage mode control, an adjustable dead time, and a PWM fault reset. All of these features combined with its wide operating temperature range make it an ideal choice for AC-DC converters, offline switchers, and high-efficiency, high-density power supplies.

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