SN75374DG4

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The SN75374DG4 is a Gate Driver integrated circuit (IC) designed and manufactured by Texas Instruments. It is part of the Power Management Integrated Circuit (PMIC) - Gate Driver family of products. The SN75374DG4 has a wide range of applications, from wireless power transmission to battery charging and more. It features a Half Bridge Gate Driver (HBGD) configured for N-channel MOSFETs for high-efficiency power switching.

The SN75374DG4 contains two full-bridge driver channels that are capable of controlling power MOSFETs (Metal-Oxide-Silicon Field Effect Transistor). The IC also has individual enable pins for each channel. The maximum output current is 0.6A and the maximum operating supply voltage is 18V. The maximum operating temperature range is from -40°C to +125°C.

The SN75374DG4 includes several features for reliable and efficient power switching such as thermal and overvoltage protection, soft start, maximum on-time limit, and slew rate control. The IC includes a charge pump for gate drive supply and it is capable of providing up to 10mA of gate drive current per channel. There are also flag pins for each channel that are used to detect fault conditions.

The working principle of the SN75374DG4 is fairly simple. The output signals from the control logic circuit are used to drive the Gate Drivers. The Gate Drivers are responsible for controlling the MOSFETs, switching them on and off according to the input signals. When either one of the two Gate Driver channels is enabled, the corresponding MOSFETs are turned on, allowing current to flow. When both Gate Driver channels are disabled, the MOSFETs are turned off and the output voltage drops to zero. The Gate Drivers are also responsible for controlling the MOSFETs\' slew rate (ramping up/down speed of the output voltage). The other aforementioned features of the SN75374DG4 further improve the power-switching performance, making it suitable for a wide range of applications.

The SN75374DG4 is a versatile Gate Driver IC that can be used in a wide range of applications where efficient power switching is needed. It can be used in devices ranging from wireless power transceivers, battery chargers, LED drivers, and more. The IC has features such as thermal and overvoltage protection as well as charge pump for gate drive supply, and slew rate control for reliable and efficient operation. All of these features make the SN75374DG4 an attractive choice for Power Management applications.

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