SI8751AB-ISR Isolators

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Technology:	Capacitive Coupling
Number of Channels:	1
Voltage - Isolation:	2500Vrms
Common Mode Transient Immunity (Min):	20kV/µs
Propagation Delay tpLH / tpHL (Max):	--
Pulse Width Distortion (Max):	--
Rise / Fall Time (Typ):	--
Current - Output High, Low:	--
Current - Peak Output:	--
Voltage - Forward (Vf) (Typ):	--
Voltage - Supply:	2.25 V ~ 5.5 V
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Approvals:	CQC, CSA, UR, VDE

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

Introduction to SI8751AB-ISR

The SI8751AB-ISR Isolators - Gate Drivers is an advanced isolated gate driver designed to support the gate drive requirements of both core-enabled isolated power MOSFET and IGBT applications. This advanced gate driver unique combination of galvanic isolation, advanced waveform shaping, and integrated serial communication interface makes it suitable for all low-power, high current applications.

Application Field and Working Principle of SI8751AB-ISR

The SI8751AB-ISR gate driver is used for various types of isolated applications in order to protect sensitive electronics and controllers from noise and spikes on the line. It is important to minimize EMI and input noise that can interfere with the subsequent stages of a system\'s operation, as well as maintain the motor current in an acceptable range. The SI8751AB-ISR includes an EMI filter, which helps reduce noise from the input voltage line so that it does not interfere with the operation of the subsequent stages. The working principle of the SI8751AB-ISR can be described as follows. Upon receiving signals from the control system, the device initiates a variation in the voltage of a power switch, either a MOSFET or an IGBT, connected between the input and output of a motor. In the process of variation, the insulated gate driver actively works to control the switching of the power switch in order to adjust the voltage. The SI8751AB-ISR has an integrated serial communication interface which allows the device to communicate with the control system by sending and receiving instructions and providing diagnostic information. This serial interface also provides an easy and cost-effective way to integrate the device into a larger system.

Features and Benefits of the SI8751AB-ISR

The SI8751AB-ISR Isolators - Gate Drivers has a number of features that make it an ideal solution for isolated motor applications. The device has a low power requirement so that the entire system requires less power than other gate drivers. This low power requirement also reduces the heating of the system, making it more efficient compared to other drivers.The device also features an integrated EMI filter, which makes it an ideal solution for applications that require low-noise operation. This filter ensures that any interference outside the system is kept at a minimum without compromising the performance of the system.The SI8751AB-ISR includes an advanced waveform shaping feature for better control over the switching of the power switch. The waveform shaping ensures that the transition from the on-state to the off-state is smooth and is within the desired voltage range. This feature helps to reduce heat losses caused by rapid switching and improves the overall efficiency of the system.The device also includes a highly-configurable, integrated serial communication interface. This interface allows for a wide range of instructions and transmissions to be sent and received so that the device can be tailored to the specific application. This interface allows the device to be controlled remotely and provides valuable diagnostic information.

Conclusion

The SI8751AB-ISR Isolators - Gate Drivers is a powerful and efficient driver designed for isolating and controlling the switching of power switches, such as MOSFETs or IGBTs, in motor applications. The device has low power requirements and features a number of advanced features including an EMI filter, waveform shaping, and an integrated serial communication interface. This allows the device to be tailored to the specific application and opens up a wide range of possibilities for its use.

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

Part Number	Manufacturer	Price	Quantity	Description