SI82394AD-IS

Rise / Fall Time (Typ):	12ns, 12ns (Max)
Approvals:	CQC, CSA, UR, VDE
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm 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):	40ns, 40ns
Common Mode Transient Immunity (Min):	35kV/µs
Voltage - Isolation:	5000Vrms
Number of Channels:	2
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tube

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Introduction

Isolators and gate drivers are an important part of most electrical systems. By preventing electrical signals from crossing between two systems, a gate driver prevents circuits from becoming overloaded by breaking the flow of current. This article will explain the SI82394AD-IS application field and the working principle, and illustrate why it is an important component in modern electrical design.

Application Field

The SI82394AD-IS is a low-side power IC t Gate Driver designed for high-temperature automotive applications. It supports low-side switching of different types of voltages up to 20V, making it an ideal choice for industrial, automotive, and consumer electronics. The device includes a dual-channel driver featuring two p-channel switches, as well as a p-channel variable logicArray (VLA). The VLA allows the user to select the particular combination of inputs and outputs, meaning different applications can be controlled and monitored simply by changing the VLA settings. Additionally, the SI82394AD-IS has a single external gate connection so that it can be connected to a variety of external devices, such as gate drivers and switches.

Working Principle

At the core of the SI82394AD-IS is a power supply, typically a 12V DC source. The power supply connects to the device through two separate paths, each individual path controlled by a p-channel switch. The switches act as gates that control the voltage, allowing the user to select the particular combination of input and output voltages. Once the power is connected, the logic Array allows the user to select the particular combination of inputs and outputs as well as the operation of the external device. For example, the device can be connected to a gate driver which can then be triggered with a pulse voltage, resulting in a switching of the supply voltage. This change in the voltage can be used in a variety of applications, including controlling robotic arms, digital displays, and more.

Conclusion

The SI82394AD-IS is an essential component in modern electrical design, providing a low-side Gate Driver for high-temperature automotive applications. It is a versatile device that can be used to control different types of voltages, as well as being connected to an external device for increased control. By understanding the application field and working principle of the SI82394AD-IS, businesses and designers can more efficiently and effectively produce reliable electrical systems.

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