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SI8281BD-ASR is listed in the Isolators - Gate Drivers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is DGTL ISO 5KV 1CH GATE DVR 20SOIC. Review the specifications below when checking this part for your BOM.
Isolators - Gate Drivers specifications for SI8281BD-ASR
- Description：DGTL ISO 5KV 1CH GATE DVR 20SOIC
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR)
- Technology：Capacitive Coupling
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Propagation Delay tpLH / tpHL (Max)：50ns, 50ns
- Pulse Width Distortion (Max)：5ns
- Rise / Fall Time (Typ)：5.5ns, 8.5ns
- Current - Output High, Low：2A, 4.1A
- Current - Peak Output：4A
- Voltage - Forward (Vf) (Typ)：-
- Voltage - Output Supply：10V ~ 30V
- Grade：Automotive
- Qualification：AEC-Q100
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Common Mode Transient Immunity (Min)：125kV/µs
- Approval Agency：CQC, CSA, UL, VDE
- Current - DC Forward (If) (Max)：-
Isolators - Gate Drivers datasheet and documents for SI8281BD-ASR
Isolators - Gate Drivers Overview
The SI8281BD-ASR is an automotive-grade, galvanically isolated gate driver designed for Silicon Carbide (SiC) and IGBT applications. It integrates a high-voltage DC-DC converter to power the isolated output stage. The device features a peak output current of 4A and supports a common-mode transient immunity (CMTI) of 125 kV/µs. It operates within a junction temperature range of -40°C to +125°C and utilizes a 20-pin SOIC package.
Isolators - Gate Drivers Feature Summary
- Integrated isolated DC-DC converter eliminates need for external isolated supply
- High common-mode transient immunity suitable for fast-switching SiC devices
- Automotive qualification for reliability in harsh environments
Isolators - Gate Drivers Applications
- Silicon Carbide (SiC) MOSFET gate driving
- IGBT module switching control
- Automotive power electronics systems
Isolators - Gate Drivers Procurement Notes
Verify component authenticity through authorized Skyworks distributors. Confirm RoHS compliance status via official documentation. Check current supply constraints as availability may be limited. Ensure storage conditions meet specified environmental requirements prior to assembly.
Isolators - Gate Drivers Selection Notes
Select this driver for applications requiring robust isolation and high-speed switching capabilities. The integrated DC-DC simplifies board design by removing external transformer requirements. Consider thermal management needs given the 125°C operating limit. Validate CMTI performance against system noise levels.
Isolators - Gate Drivers Part Context
Part of the Si8281 series from Skyworks Solutions. Designed specifically for automotive powertrain and charging infrastructure. Differentiates from standard drivers through integrated isolation and automotive grade certification.
Isolators - Gate Drivers Replacement Considerations
No direct public substitute part numbers are confirmed in available documentation. Evaluate functional equivalents based on voltage ratings, current drive capability, and isolation specifications.
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