SN75374DE4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Gate drivers are widely used in power management integrated circuits (PMICs) and are responsible for controlling semiconductor power components such as MOSFETs, IGBTs and BJTs. The SN75374DE4 is a high-side gate driver integrated circuit (IC) for high-side switches that are operated at high-voltages of up to 170 volts. The SN75374DE4 is an ideal choice for driving MOSFETs, IGBTs and BJTs because of its fast switching capabilities, low current consumption and wide operating temperature range.

The SN75374DE4 features an adjustable current source to drive both high-side and low-side transistors. This adjustable current source ensures a consistent driving capability and maximum signal integrity, regardless of load conditions. The SN75374DE4 also has a built-in under-voltage and over-current lockout circuits for over-voltage and under-voltage protection of the power ICs. This IC operates over a wide power supply range of 4.5V to 12V and has a logic level compatible with 5V and 6V logic standards.

The SN75374DE4 is mainly used in applications that allow for protected high-side switching, such as DC-DC converters, power supplies, motor control systems and motor switching applications. In a typical DC-DC converter application, the SN75374DE4 circuit controls the flow of current to a load by turning MOSFETs, IGBTs and BJTs on and off using the IC\'s high-side drivers. The IC can be used to switch a wide range of current, from a few hundred milliamps to 10 amps, depending on the application requirements.

To understand the working principle of the SN75374DE4, it is important to understand the components that make up the device. The IC consists of two high-side drivers and one low-side driver. The high-side drivers are connected to the drain of the MOSFET, IGBT, or BJT, whereas the low-side drivers are connected to the source. The IC also contains an adjustable current source that is used to bias the gate of the power device. The current source is adjustable so that the amount of current that is used to drive the gate can be adjusted to suit the application requirements.

When powering up the SN75374DE4, the current source is biased and the gate voltage is generated. This gate voltage is then used to control the flow of current through the power devices. When the gate voltage rises, the power device conducts current, while when the gate voltage falls, the device stops conducting. By controlling the gate voltage, the current through the power device can be precisely controlled.

In addition to its adjustable current source and logic level compatible with 5V and 6V logic standards, the SN75374DE4 also features an integrated ESD protection circuit and an integrated thermal shutdown circuit. This allows the IC to be safely connected to external power sources and prevents temperature from reaching a critical level. The ESD protection circuit is designed to protect both the gate and drain of the power device from electrostatic discharges, while the thermal shutdown circuit protects the IC from overheating and is activated when the temperature reaches a predetermined value.

In summary, the SN75374DE4 is a high-side gate driver IC suitable for use in applications requiring high-voltage switching up to 170 volts. The current source feature provides adjustable current capability, and the integrated ESD protection and thermal shutdown circuits ensure safe operation. The SN75374DE4 is ideal for applications such as DC-DC converters, power supplies, motor control systems, and motor switching applications.

The specific data is subject to PDF, and the above content is for reference