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SI83411BBA-IFR
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Product Detailed Parameters
- Description：DGTL ISO 1.5KV 1CH SPI 32-VFDFN
- Series：Si834x
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：Parallel
- Voltage - Load：9V ~ 32V
- Voltage - Supply (Vcc/Vdd)：2.25V ~ 5.5V
- Current - Output (Max)：2.5A
- Rds On (Typ)：41mOhm
- Input Type：Non-Inverting
- Features：Slew Rate Controlled
- Fault Protection：Current Limiting (Fixed), Over Temperature, UVLO
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-DFN (9x9)
- Package / Case：32-VFDFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The SI83411BBA-IFR is a single-channel isolated smart switch from the Si834xx series by Skyworks Solutions. It integrates a high-side power switch with digital isolation, designed for sinking current in parallel configurations. The device features channel indication and open warning capabilities to enhance system reliability. It operates within standard industrial temperature ranges and supports surface-mount installation in compact packages suitable for dense PCB layouts.
Feature Summary
- Integrates a single-channel high-side power switch with digital isolation
- Provides sinking current capability in parallel configuration
- Includes channel indication and open warning functions
Applications
- Industrial automation control systems
- Isolated power distribution networks
- Smart sensor interface circuits
Procurement Notes
Verify the specific suffix -IFR indicates tape-and-reel packaging when sourcing components. Confirm that the selected variant matches the required sinking topology and warning signal logic for your design. Ensure compatibility with the host controller's voltage levels and isolation requirements before finalizing procurement.
Selection Notes
Select this component when a single-channel isolated switch with sinking output is required. Consider the integrated diagnostic features like open warning for critical applications. Evaluate the package size and thermal performance against your board space constraints. Verify isolation voltage ratings meet safety standards for your specific application environment.
Part Context
This part belongs to the Si834xx family of isolated smart switches. These devices combine power switching with digital isolation in a single package. The family offers various channel counts and topologies to suit different power distribution needs. The SI83411BBA-IFR specifically addresses single-channel sinking applications.
Replacement Considerations
Check for other variants in the Si834xx series with compatible pinouts and electrical characteristics. Verify if alternative manufacturers offer similar isolated smart switches with sinking outputs. Ensure any substitute maintains the same isolation voltage and diagnostic feature set.
