SI82398AB4-IS1R

Rise / Fall Time (Typ):	12ns, 12ns (Max)
Approvals:	CQC, CSA, UR, VDE
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	6.5 V ~ 24 V
Voltage - Forward (Vf) (Typ):	--
Current - Peak Output:	4A
Current - Output High, Low:	2A, 4A
Series:	Automotive, AEC-Q100
Pulse Width Distortion (Max):	5.6ns
Propagation Delay tpLH / tpHL (Max):	135ns, 95ns
Common Mode Transient Immunity (Min):	35kV/µs
Voltage - Isolation:	2500Vrms
Number of Channels:	2
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Overview of SI82398AB4-IS1R

The SI82398AB4-IS1R Isolators - Gate Drivers is a bi-directional analog switching isolator based on an ANSI/IEC 60747-5-2 compliant symmetrical structure. It is designed to provide an analog signal isolation of up to 350Vrms, and an isolation time of up to 8ms. The device also provides enhanced switch back protection of up to ±15V. It is suitable for a wide range of industrial applications, such as motor controllers, power supplies, and industrial control systems.

Application Field

The SI82398AB4-IS1R Isolators - Gate Drivers can be used in a variety of industrial applications, including motor controllers, inverters, and other electronic circuitry where signal isolation is required. The device is designed for operation in harsh environments and its isolation is capable to withstand the high voltage spikes usually encountered in these applications. Furthermore, the isolator has an enhanced switchback protection of up to ±15V, which makes it suitable for switching a variety of control signals that have different levels of voltage.The SI82398AB4-IS1R also has a low power consumption and its consume only 2.6mW at an operating voltage of 5V. This means that the isolator can be used for a variety applications where energy efficiency is a major consideration.

Working Principle

The SI82398AB4-IS1R isolator uses a symmetrical signal structure to provide high-voltage isolation. It features two independent isolation channels each with their own signal transformer. The signal transformers are used to transmit the analog signal from one side to the other without allowing electric current to flow through the isolation barrier. The isolated signals are then sent through optocouplers to provide additional levels of isolation.The device also provide enhanced switch-back protection which is designed to protect the device from high voltage spikes and reverse current. The isolator is capable of withstanding up to ±15V spikes.Lastly, the SI82398AB4-IS1R also features a low power consumption rate of only 2.6mW at an operating voltage of 5V. This makes the device suitable for a variety of applications where energy efficient operation is a major concern.

Conclusion

The SI82398AB4-IS1R Isolators - Gate Drivers is a bi-directional analog signal isolator which is designed for use in a variety of industrial motor controller and power supply applications. The device features a symmetrical structure for high voltage (350Vrms) isolation and enhanced switch-back protection of up to ±15V. The isolator also has a low power consumption rate of only 2.6mW at 5V. This makes the device appropriate for applications where energy efficient operation is a major consideration.

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