ISL32175EFBZ-T

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ISL32175EFBZ-T is a common interface product line from Intersil Corporation, primarily used in automotive and industrial applications. The family consists of a range of isolated gate driver and isolated low-voltage receiver/transceivers for automotive-grade power MOSFET/IPM applications. It is designed to provide an optimal solution for driving motor-control applications.

Application Field and Working Principle

The ISL32175EFBZ-T product line is primarily intended for the automotive and industrial sectors. It offers a wide range of advantages to these two industries, including improved system reliability, improved driver-receiver performance, which helps reduce system power consumption, and improved electromagnetic compatibility (EMC).

The key features of this family include high power MOSFET/IPM compatibility, superior EMC performance, low-voltage operation, and an operating temperature range of -40°C to +125°C.

The ISL32175EFBZ-T family offers an isolation level of 5000 Vrms guaranteed isolation between receiver/transceiver and gate driver. This helps ensure protection against noise and overvoltage transients due to inductive loading, hard switching as well as electrostatic discharge. In addition, it also has short circuit, overload and thermal protection built-in.

The product is composed of a gate driver, receiver/transceiver and a MOSFET. The gate driver is responsible for supplying high-voltage, high-current pulses to power the MOSFET, while the receiver/transceiver is responsible for receiving gate signals from the gate driver to determine whether the MOSFET should be in the on or off state. The gate driver portion is isolated, while the receiver/transceiver portion is not isolated independent of any other circuits. The gate driver is responsible for boosting the signal to a level capable of driving the high-side MOSFET, while the receiver/transceiver is responsible for receiving the input signal and then supplying the output signal to the gate driver.

In addition, the product is designed to reduce system power consumption by employing power efficient techniques, such as adaptive current sharing, adaptive dead-time control, and high slew rate gate drivers. This results in lower power consumption for the system and improved efficiency. Furthermore, the product has a fast response time, reducing the risk of overcurrent due to switch-mode operating, and minimizing EMI.

Finally, the ISL32175EFBZ-T product line features high temperature and overload protection. The high temperature protection feature helps prevent damage to the MOSFET due to extreme temperatures, while the overload protection helps protect the circuit from overvoltage and overcurrent events.

In summary, the ISL32175EFBZ-T family is an ideal choice for automotive and industrial automation applications that require reliable, robust and efficient solutions. Its wide operating temperature range, high-power capability, improved EMC performance, low power consumption, and fast response time make it an attractive choice for any application.

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