L6386D

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The L6386D is a monolithic high-side and low-side driver, compatible with bootstrap voltage sources, ideal for automotive and industrial applications. It is suitable for controlling inductive or resistive loads of up to 2 A in continuous mode or up to 15 A in peak mode, and is designed to be low in current consumption and resistant to ESD and transient protection.

In automotive and industrial applications, gate drivers play an important role in switching devices such as relays, solenoids, and other inductive and resistive loads. The L6386D gate driver offers high-side and low-side control for up to two outputs, making it an excellent choice for applications requiring dual load switching. It is available in multiple packages, and supports a wide voltage range.

The L6386D also has several features to protect against circuit damage due to overloads or transients. It features internally-trimmable current limiting to protect against overloads, and a transient protection circuit to protect against high-voltage transients. It also features an over-voltage protection circuit, and an under-voltage protection circuit.

The L6386D also features an advanced protection system that provides fault protection by automatically removing power to the loads if the output is shorted or overloaded. This safeguards the circuit from any damage that could be caused by a short circuit or overload situation.

The L6386D\'s working principle is based on the H-bridge circuit structure, which consists of four switches connected between two power sources in a cross pattern. The transistors are controlled by two input signals, a high-side enable (HSE) and a low-side enable (LSE). When the input signals are both low, the bridge is open and no current flows through the switches. When both input signals are high, the bridge is closed and current flows through it.

The high- and low-side enable signals control the state of the bridge. When the HSE signal is high and the LSE signal is low, only the high-side switch is open, allowing current to flow through the low-side switch. Similarly, when the LSE signal is high and the HSE signal is low, only the low-side switch is opened. This allows the current to flow through the high-side switch.

The L6386D is designed to control inductive and resistive loads with high power dissipation, while providing ESD and transient protection. It offers a wide range of voltage and temperature operation, and is an excellent choice for applications requiring high-side and low-side switching. The safety features, such as over-voltage, under-voltage and current limiting protection, make it a reliable device for power switching applications.

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