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High current isolated gate driver SKYWORKS SI8284BD ASR for silicon carbide fet and power mosfet control

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High current isolated gate driver SKYWORKS SI8284BD ASR for silicon carbide fet and power mosfet control

Description : SOIC-24 Isolators - Gate Drivers RoHS

Mfr. Part # : SI8284BD-ASR

Model Number : SI8284BD-ASR

Package : SOIC-24

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Product Description

The Si828x family (Si8281/82/83/84) comprises isolated, high-current gate drivers with integrated system safety and feedback functions. These devices are ideal for driving Silicon Carbide (SiC) FETs, power MOSFETs, and IGBTs in a wide variety of inverter and motor control applications. Utilizing Skyworks' proprietary silicon isolation technology, they support up to 5.0 kVrms withstand voltage per UL1577, offering superior performance, reduced variation with temperature and age, tighter part-to-part matching, and enhanced common-mode rejection. The Si828x family also integrates a DC-DC controller for simplified isolated power supply implementation for the driver side. The DC-DC controller is available in two configurations: Si8281/83 with integrated power switches (limited DC-DC voltage input to device bias) and Si8282/84 with external power switches (accepting higher voltage input power). Features include user-adjustable frequency, soft-start, and shut-down capability, requiring minimal passive components and a miniature transformer. The input is a complementary digital input, and the isolation side offers control and feedback digital signals. The driver side provides separate pull-up and pull-down pins, a dedicated DSAT pin for desaturation detection with controlled soft shutdown, and an integrated Miller clamp for strong power switch turn-off.

Product Attributes

Brand: Skyworks
Certifications: UL 1577 recognized (5000 VRMS for 1 minute), CSA approval (IEC 62368-1 reinforced insulation), VDE approval (EN 62368-1 reinforced insulation), CQC certification approval (GB4943.1-2011 reinforced insulation), AEC-Q100 Qualified (Automotive Grade)
Material: Proprietary silicon isolation technology
Origin: Not specified
Color: Not specified

Technical Specifications

Ordering Part Number (OPN)	A-Grade OPN	DC/DC Features	Package	UVLO (V)	Isolation Rating (kVrms)
Si8281BC-IS	Si8281BC-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	9	3.75
Si8281CC-IS	Si8281CC-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	12	3.75
Si8281DC-IS	Si8281DC-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	13	3.75
Si8281EC-IS	Si8281EC-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	15	3.75
Si8282BC-IS	Si8282BC-AS	No Shutdown, No Soft Start, Frequency Control, External Switch	WB SOIC-20	9	3.75
Si8282CC-IS	Si8282CC-AS	No Shutdown, No Soft Start, Frequency Control, External Switch	WB SOIC-20	12	3.75
Si8282DC-IS	Si8282DC-AS	No Shutdown, No Soft Start, Frequency Control, External Switch	WB SOIC-20	13	3.75
Si8282EC-IS	Si8282EC-AS	No Shutdown, No Soft Start, Frequency Control, External Switch	WB SOIC-20	15	3.75
Si8283BC-IS	Si8283BC-AS	Shutdown, Soft Start, Frequency Control, No External Switch	WB SOIC-24	9	3.75
Si8283CC-IS	Si8283CC-AS	Shutdown, Soft Start, Frequency Control, No External Switch	WB SOIC-24	12	3.75
Si8283DC-IS	Si8283DC-AS	Shutdown, Soft Start, Frequency Control, No External Switch	WB SOIC-24	13	3.75
Si8283EC-IS	Si8283EC-AS	Shutdown, Soft Start, Frequency Control, No External Switch	WB SOIC-24	15	3.75
Si8284BC-IS	Si8284BC-AS	Shutdown, Soft Start, Frequency Control, External Switch	WB SOIC-24	9	3.75
Si8284CC-IS	Si8284CC-AS	Shutdown, Soft Start, Frequency Control, External Switch	WB SOIC-24	12	3.75
Si8284DC-IS	Si8284DC-AS	Shutdown, Soft Start, Frequency Control, External Switch	WB SOIC-24	13	3.75
Si8284EC-IS	Si8284EC-AS	Shutdown, Soft Start, Frequency Control, External Switch	WB SOIC-24	15	3.75
Si8281BD-IS	Si8281BD-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	9	5
Si8281CD-IS	Si8281CD-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	12	5
Si8281DD-IS	Si8281DD-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	13	5
Si8281ED-IS	Si8281ED-AS	No Shutdown, No Soft Start, No Frequency Control, No External Switch	WB SOIC-20	15	5
Si8282BD-IS	Si8282BD-AS	No Shutdown, No Soft Start, Frequency Control, External Switch	WB SOIC-20	9	5

2410311311_SKYWORKS-SI8284BD-ASR_C20031452.pdf

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