L6384ED013TR Integrated Circuits (ICs)

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PMIC – Gate Drivers

A gate driver is a critical component in power management integrated circuits (PMICs). It is responsible for controlling the flow of electricity in the circuit, thereby enabling the PMIC to function properly. It is also responsible for controlling electrical signals, such as either on or off status of a load, and for regulating the current and voltage of the circuit.

The L6384ED013TR is a gate driver integrated circuit (IC) from STMicroelectronics, especially developed for low power applications. The IC comes with a wide range of features, such as a fast propagation delay, an input comparable with rail-to-rail inputs and output, undervoltage lockout and short-circuit protection.

Application Field

The L6384ED013TR is widely used in many applications, including DC-to-DC boost or buck converters, motor control, solar power inverters, 3-phase motor drives, etc. The IC helps to reduce power consumption in many such applications. Additionally, the IC also helps to reduce system power consumption by modulating the speed of a DC motor or fan and controlling LED brightness, among other uses.

Working Principle

At the heart of the L6384ED013TR is a robust control logic with specially designed configurative comparators, and oscillator for fast-cycle rate selection, and a drive stage for connecting a variety of output stages, such as voltage supply and power transistors. The configurative comparators are used to limit the voltage thresholds that can be set as the upper and lower limit. The oscillator allows for a fast cycle rate – up to 1.2MHz – to adjust the switching speed of the switching transistors. This helps to protect the circuit and the device from excessive voltage or current.

The drive stage has two input channels and two outputs, with the input channels connected to logic voltage sources. The two output channels provide a differential drive for the gate of the switching transistor, thus enabling proper switching control. The outputs can be adjusted by changing the drive current and the slew rate of the signal.

In order to provide better efficiency, the L6384ED013TR also comes with an integrated power control loops. The output voltage of the IC is adjustable from 7mV to 20V, and features overvoltage, current limiting, and over-temperature protection.

In short, the L6384ED013TR is an excellent gate driver IC with a wide range of features and applications. It is safe to use, reliable, and energy efficient. Additionally, it comes with a range of protection features, including temperature, voltage, and current protections, making it ideal for a variety of PMIC applications.

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