SI82398BB4-IS1

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:	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):	135ns, 95ns
Common Mode Transient Immunity (Min):	35kV/µs
Voltage - Isolation:	2500Vrms
Number of Channels:	2
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tube

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SI82398BB4-IS1 Isolators - Gate DriversThe SI82398BB4-IS1 is a 5kV galvanically isolated gate driver specifically designed for half-bridge applications. It provides an isolated high-speed digital interface between the high-voltage half-bridge and the low-voltage input logic such as microcontrollers, FPGA, and DSP.The SI82398BB4-IS1 features a low-profile module design with an integrated transformer coupled driver stage and a floating bootstrap supply for improved driver performance and increased system reliability. The gate driver accepts digital input signals from a wide range of logic families and can control low and high-side drivers with differing enable signals.The device offers maximum flexibility, allowing for the configuration of various logic families and enable pin options, including enable-lock, enable-momentary (latched mode), and separate enable inputs for the low and high-side driver. It allows for independent control of the delay, rise time, and fall time for both the low and high-side drivers.The high-voltage isolator module provides galvanic isolation between the high and low voltage rails, enabling the control signals from the low voltage domain to be transmitted to the high voltage half-bridge safely. The transformer coupled interface reduces the output current slew rate and provides clean logic level transitions for improved noise immunity. The bootstrap switching pin allows for the recovery of a floating supply for the high-side driver, allowing the half-bridge to function without the need for an external bootstrap charging circuit.The SI82398BB4-IS1 is suitable for high-power applications such as DC-DC converters, MOTs, and power inverters. It offers high speed operation for fast control loops and high surge rating for improved surge protection. The device is also designed for EMC compliance and meets the requirements of IEC60950-1 and IEC61000-4 for machine and appliance safety.The gate driver offers excellent noise immunity and EMC performance and provides reliable operation in extreme and transient power conditions. The integrated high level overvoltage protection can help protect the driver against high voltage transient events. The device can be used in automotive, industrial, or medical applications and can be easily integrated into any high power circuit.In summary, the SI82398BB4-IS1 is an advanced galvanically isolated gate driver offering superior performance and high reliability for half-bridge applications. It features an integrated transformer coupled interface, a high voltage isolator module, and a floating bootstrap supply. The high level overvoltage protection, low profile module design, and wide range of logic families allow for increased system reliability and noise immunity. The device is suitable for automotive, industrial, and medical applications, as well as DC-DC converters, MOTs, and power inverters.

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