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:	10 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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Isolators - Gate Drivers

Introduction

Isolators, or galvanic isolators as they are sometimes called, are components which allow a circuit or system to be electrically isolated from the drive currents and from the ‘ground’ voltage of the device. Gate drivers are used to provide an electrical interface between a power stage (e.g motor, pump etc.) and a source device which controls it. Isolators and gate drivers are commonly used in a variety of applications, most notably in the automotive industry.

SI82390BD-IS Application Field and Working Principle

The SI82390BD-IS is a galvanic isolator and gate driver module from Silicon Labs. It is designed for use in automotive systems requiring galvanic separated drive currents and small gate drivers. The module is a full galvanic isolated H bridge controller and provides two output channels (Q1 and Q2). The SI82390BD-IS is a very versatile module, providing a wide range of operation modes, such as single and dual-channel half-bridge, bridge-mode, H-bridge, dual-channel full-bridge, and three-state bridge modes. The SI82390BD-IS module features an integrated dual isolated gate driver and power supply. It contains an input controller which is used to set the digital control signals which drive the power switches (Q1 and Q2) of the module. It also has full protection functions to protect against reversal of power supply, overvoltage, overcurrent, and undervoltage stress. The SI82390BD-IS module is ideal for motor-driven applications in automotive, industrial, and consumer sectors, thanks to its highly integrated structure and low-noise operation. It is particularly well suited for DC brushless motor, small stepper motor, and programmable logic controller (PLC) applications. The module also provides excellent performance in automotive electronic control units (ECUs) and brake systems. The SI82390BD-IS module features a wide range of integrated safety features including overcurrent protection, reverse current protection, overvoltage protection, undervoltage protection, and reverse battery protection. The module also has a wide temperature range of -40°C to +125°Cfor reliable operation in automotive and harsh industrial conditions.

Conclusion

The SI82390BD-IS module from Silicon Labs is an advanced and highly integrated gate driver and galvanic isolator module. It offers excellent performance in a variety of automotive, industrial, and consumer applications, thanks to its integrated dual gate drivers and power supply and wide operational temperature range. The module’s comprehensive range of safety features ensures reliable operation and protection against overcurrent, overvoltage, undervoltage, and reverse battery stress.

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Part Number	Manufacturer	Price	Quantity	Description