ISL32172EIBZ

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The ISL32172EIBZ is a type of Interface – Drivers, Receivers, Transceivers and can be used for a number of applications. It is a dual active bridge driver/receiver integrated circuit. This type of integrated circuit is used mainly for sensing current direction, controlling motor direction and reverse current protection.

The ISL32172EIBZ operates at 4.5-40V and provides up to 2A continuous current over temperature range of -40 to 125˚C. The maximum differential input voltage is 20V, with a 3.2ns typical Turn-On rise time and a 3.2ns Turn-Off fall time. This device is offered in a 8-pin MSOP package, with a maximum operating junction temperature of 175˚C.

The application fields of ISL32172EIBZ are mainly in systems that require motor control, like motor drives and HVAC motor control systems. It can also be used for battery management systems, providing reverse leakage protection. Lastly, it can be used in electrical coring systems to sense the current direction and help maintain the balance between power lines.

The working principle of the ISL32172EIBZ are based on the dual active bridge (DAB). It is a two-stage switching regulator made of two pairs of power transistors, configured as two H-bridges for motor control. The DAB is connected to sensing winding, which is used to detect current direction. Once the current direction has been detected, the DAB then switches the appropriate pair of power transistors on and off. This allows the motor to operate in either direction.

The ISL32172EIBZ also incorporates circuitry that protects against reverse leakage, allowing the system to be protected against potential damage caused by reverse leakage current. This is done by using a comparator circuit and a reference voltage, which detects when the current is flowing in the wrong direction.

Overall, the ISL32172EIBZ is a versatile device, as it can be used for a variety of applications ranging from motor control to reverse leakage protection. It is an efficient and low-cost device that provides a robust interface between energy sources and system components.

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