SI8235AB-C-IMR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Isolators - Gate Drivers

The SI8235AB-C-IMR is an isolator and a driver used for switching IGBTs and MOSFETs in high frequency applications. It is designed to provide efficient, fast, and reliable switching and is suitable for both single-ended and balanced systems. It has an operating temperature range from -40°C to +85°C and can withstand transient voltages up to 600 V.

Application Field

The SI8235AB-C-IMR is a versatile driver that is mainly used in a variety of applications such as inverters, UPSs, chargers, and welding systems. The isolator also finds application in motor control, machine-tool drives, motor control, and power factor correction circuits. It has the ability to detect short circuit conditions and offer protection against input current surges.

Working Principle

The SI8235AB-C-IMR contains two channels, with the input side providing the power input and the output side providing the switching gate voltage to the power switch. The isolator is designed with a robust isolation barrier which prevents high voltage transient events from causing damage to the power switch or the power circuit. The isolator also contains high voltage transient suppressor protection circuitry which helps protect the power switch from transient overvoltage events.

The SI8235AB-C-IMR uses an external power supply to regulate the input voltage. It is also capable of providing a PWM switching signal for power switches with additional voltage control features. The PWM signal is adjustable from 0% to 99.9999% duty cycle. The internal power control circuit ensures fast switching and high accuracy for the entire range of input power, thus allowing the system designer to optimize the accuracy of the switching gate voltage.

The driver uses two symmetrical channels to allow operation in both single-ended and balanced switching systems. The driver also includes a delay and synchronization circuit, a feedback circuit, and a high voltage protection circuit which are all designed to ensure the safe operation of the power switch. The SI8235AB-C-IMR has protection features to prevent destructive errors including short circuit and over-temperature protection.

In summary, the SI8235AB-C-IMR is an efficient, fast, and reliable driver for IGBTs and MOSFETs in high frequency applications. It has a robust isolation barrier, fast switching, and high accuracy. It is designed to be used in both single-ended and balanced systems and has protection features to prevent errors caused by over-temperature and short circuit conditions.

The specific data is subject to PDF, and the above content is for reference