SKYWORKS SI8283BD AS integrated DC DC converter isolated gate driver with digital control and feedback signals
Si828x Family: SiC FET-Ready ISODrivers with Integrated DC-DC Converters
The Si828x family (Si8281/82/83/84) offers isolated, high-current gate drivers with integrated system safety and feedback functions. These devices are optimized for driving Silicon Carbide (SiC) FETs, power MOSFETs, and IGBTs in various inverter and motor control applications. Leveraging Skyworks' proprietary silicon isolation technology, they achieve up to 5.0 kVrms withstand voltage (UL1577) with superior performance, temperature stability, part-to-part matching, and common-mode rejection compared to other isolation technologies. The integrated DC-DC controller simplifies the implementation of isolated driver-side power supplies. Available in configurations with or without integrated power switches, the Si828x family supports adjustable frequency, soft-start, and shutdown capabilities, requiring minimal passive components and a miniature transformer. The devices feature complementary digital inputs and digital control/feedback signals on the isolation side, providing driver-side power and fault state information and enabling fault recovery via a reset pin. The output side offers separate pull-up and pull-down pins, a dedicated DSAT pin for desaturation detection and controlled shutdown, and an integrated Miller clamp for robust turn-off.
Product Attributes
- Brand: Skyworks Solutions, Inc.
- Isolation Technology: Proprietary silicon isolation
- Certifications: UL 1577 recognized (5000 VRMS), CSA approval (IEC 62368-1), VDE approval (EN 62368-1), CQC certification (GB4943.1-2011)
- Automotive Grade: Available (AEC-Q100 Qualified, PPAP documentation support, IMDS/CAMDS listing)
- Operating Temperature Range: 40 to 125 C
Technical Specifications
| Ordering Part Number (OPN) | A-Grade OPN | DC/DC Features | Package | UVLO (V) | Isolation Rating (kVrms) |
|---|---|---|---|---|---|
| Si8281BC-IS | Si8281BC-AS | No External Switch | WB SOIC-20 | 9 | 3.75 |
| Si8281CC-IS | Si8281CC-AS | No External Switch | WB SOIC-20 | 12 | 3.75 |
| Si8281DC-IS | Si8281DC-AS | No External Switch | WB SOIC-20 | 13 | 3.75 |
| Si8281EC-IS | Si8281EC-AS | No External Switch | WB SOIC-20 | 15 | 3.75 |
| Si8282BC-IS | Si8282BC-AS | External Switch, Frequency Control | WB SOIC-20 | 9 | 3.75 |
| Si8282CC-IS | Si8282CC-AS | External Switch, Frequency Control | WB SOIC-20 | 12 | 3.75 |
| Si8282DC-IS | Si8282DC-AS | External Switch, Frequency Control | WB SOIC-20 | 13 | 3.75 |
| Si8282EC-IS | Si8282EC-AS | External Switch, Frequency Control | WB SOIC-20 | 15 | 3.75 |
| Si8283BC-IS | Si8283BC-AS | Integrated Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 9 | 3.75 |
| Si8283CC-IS | Si8283CC-AS | Integrated Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 12 | 3.75 |
| Si8283DC-IS | Si8283DC-AS | Integrated Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 13 | 3.75 |
| Si8283EC-IS | Si8283EC-AS | Integrated Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 15 | 3.75 |
| Si8284BC-IS | Si8284BC-AS | External Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 9 | 3.75 |
| Si8284CC-IS | Si8284CC-AS | External Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 12 | 3.75 |
| Si8284DC-IS | Si8284DC-AS | External Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 13 | 3.75 |
| Si8284EC-IS | Si8284EC-AS | External Switch, Shutdown, Soft Start, Frequency Control | WB SOIC-24 | 15 | 3.75 |
| Si8281BD-IS | Si8281BD-AS | No External Switch | WB SOIC-20 | 9 | 5 |
| Si8281CD-IS | Si8281CD-AS | No External Switch | WB SOIC-20 | 12 | 5 |
| Si8281DD-IS | Si8281DD-AS | No External Switch | WB SOIC-20 | 13 | 5 |
| Si8281ED-IS | Si8281ED-AS | No External Switch | WB SOIC-20 | 15 | 5 |
| Si8282BD-IS | Si8282BD-AS | External Switch, Frequency Control | WB SOIC-20 | 9 | 5 |
2410311311_SKYWORKS-SI8283BD-AS_C20031437.pdf
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