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SI83415BDA-IF
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Product Detailed Parameters
- Description：DGTL ISO 1.5KV 1CH SPI 32-VFDFN
- Series：Si834x
- Mfr：Skyworks Solutions Inc.
- Package：Tray
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：SPI
- 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 SI83415BDA-IF is a single-channel isolated smart switch from Skyworks Solutions, designed for power distribution applications. It features a sinking output configuration controlled via an SPI interface and includes integrated channel status indicators. The device supports high-side and low-side switching with a maximum continuous output current of 2.5 A and a typical on-resistance of 38 mΩ. It operates within a supply voltage range of 2.25 V to 5.5 V and withstands galvanic isolation voltages up to 1500 Vrms. The component is housed in a compact 32-pin DFN (9x9 mm) package and functions reliably across an industrial temperature range of -40°C to +125°C.
Feature Summary
- Integrates digital isolation with power switching capabilities in a single package
- Provides SPI control interface for precise command and status monitoring
- Includes built-in channel status indicators for real-time operational feedback
- Supports both high-side and low-side load configurations
Applications
- Industrial automation power distribution systems
- Automotive electronic control unit power management
- Telecommunications infrastructure power switching
- Medical equipment safety-critical power circuits
Procurement Notes
Verify the specific suffix 'BDA' against official Skyworks documentation to confirm pinout and electrical characteristics, as variations exist within the Si83415 family. Confirm availability status directly with authorized distributors, as lead times may vary. Ensure the selected package matches the PCB footprint requirements for the 32-DFN form factor. Cross-reference thermal performance data if operating near maximum temperature limits.
Selection Notes
Select this component when a single-channel isolated switch with SPI control and status feedback is required. Compare against the SI83415ADA-IF if sourcing alternatives, noting potential differences in package or specific electrical parameters. Ensure the application voltage does not exceed the 32V limit. Verify that the 2.5A current rating meets the load requirements. Consider thermal dissipation needs given the 38 mΩ on-resistance at higher currents.
Part Context
This part belongs to the Si834xx series of isolated smart switches, which combine magnetic isolation technology with power MOSFET drivers. The series is designed to simplify system design by integrating control logic, isolation barrier, and power switching into one compact solution. It replaces discrete components typically used for isolated power switching, reducing board space and assembly complexity in modern electronic systems.
Replacement Considerations
The SI83415ADA-IF is a related variant within the same product family. Verify compatibility regarding package dimensions and specific electrical tolerances before substitution. No other direct public substitutes are confirmed.
