L6386D013TR Integrated Circuits (ICs)

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PMIC - Gate Drivers are semiconductor components that provide electrical pulses as an instrumental tool used to turn on or off f modules in a circuit. With improved performance and higher levels of integration, the L6386D013TR advanced PMIC-Gate Driver provides an efficient, high performance, cost effective solution for the modern circuit design.

Application Field

The L6386D013TR supports a wide variety of power applications, from low to high current. It contains a charge pump and an output current regulator. Applications range from the telecom and industrial power supplies to the automotive industry. The device is suited to medium voltage circuits operating at upto 700V, at much higher levels of power. It is also versatile in terms of size and type, containing a single H bridge, a load sharer and a pre-driver for transistor switching. Further, it is able to work in synchronization with a microcontroller as it is powered through the I2C bus.

Working Principle

The basic operation of the L6386D013TR involves inverting the charge and restoring the voltage levels in the circuit. When a pulse width modulation (PWM) signal is applied, the charge gets inverted and the driver is instantly turned on or off. The two input pins, Enable and Fault sense the PWM. The Enable pin turns on the driver and the Fault pin turns it off. The conventional way of designing is to include a resistor and a capacitor at the input in order to improve the performance.

In order to provide accurate voltage control, a clock oscillator circuit is used. This clock sets the frequency at which the dead time, PWM frequency and now the charge pump current regulator output voltage can be set. By adjusting the frequency of the oscillator, the clock can generate accurate pulses of consistent duration. These pulses are applied to the output transistor and the load is regulated. Once the transistor is turned on and the load is regulated, the charge pump is used to invert the driver current. The efficient control of the output voltage can be achieved by selecting the appropriate value for the resistor and the capacitor.

In summary, the L6386D013TR PMIC-Gate Driver provides excellent performance through efficient power control. It is widely used across the industrial, telecom and automotive industries for applications ranging from medium to high voltage power supplies. With its high level of integration and its specific architecture, it is suitable for any type of circuit. By setting the frequency of the oscillator, the output voltage can be accurately tuned and the load can be regulated. The Enable and Fault pins allow for optimal control of the driver and by using an I2C bus, the device can be synchronised with a microcontroller.

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