L9386MD

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The L9386MD is a power management IC (PMIC) from STMicroelectronics designed for load switching and power distribution that integrates a load switch in both high and low side configurations, plus a load driver for additional current demand buffering. This versatile device can be used as a single-ended or a dual-side load switch, as well as a load driver for additional current demand buffering.

The device\'s high side switch is optimized to guarantee low Rds (on) values, while its low side switch is optimized to ensure fast switching speed. Both the high side and low side switches are individually programmable and capable of low current (<100uA) and high current (<500mA) operations. The load driver has a pre-set current limit to ensure robust operation and requires no external components. This versatile device has been designed to meet the demanding needs of modern automotive applications.

In applications where power draw is high, the L9386MD provides a cost-effective solution by helping to reduce the total number of components and accessories, as well as the overall power loss normally associated with high power applications. The device is designed to be used in applications such as in-vehicle infotainment, car audio, vehicle-control systems and other industrial or automotive applications.

The L9386MD features integrated ESD protection and a temperature-controlled load switch. It also has a wide input voltage range from 6V to 30V, making it suitable for a variety of automotive and industrial applications. Furthermore, the device offers programmable output current limits and has a built-in common-mode active clamp that operates at a voltage of up to 30V.

The working principle behind the L9386MD is quite simple. Upon receiving an input signal, the device turns on its high side switch, allowing the current to flow through it. Then, the current passes through the low side switch, where it is regulated by a temperature-controlled load switch. Finally, the current is driven to its destination through the load driver, which is pre-set to limit the current.

The L9386MD is an ideal choice for a variety of automotive or industrial applications, providing optimal performance and efficient power distribution. Its integrated ESD protection and temperature-controlled load switch offer added security and robustness, while its wide input voltage range of 6V to 30V makes it suitable for a variety of applications. Furthermore, its programmable output current limit and built-in active clamp ensures reliable and robust operation.

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