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SI83416BDA-IF
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Product Detailed Parameters
- Description：DGTL ISO 1.5KV 2CH SPI 32-VFDFN
- Series：Si834x
- Mfr：Skyworks Solutions Inc.
- Package：Tray
- Switch Type：General Purpose
- Number of Outputs：2
- Ratio - Input:Output：2 x 1:1
- 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)：1.25A
- Rds On (Typ)：78mOhm
- 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 SI83416BDA-IF is a dual-channel isolated smart power switch manufactured by Skyworks Solutions Inc. It integrates two N-channel outputs with a maximum output current of 1.25 A and a peak current limit of 1.73 A. The device features a maximum on-resistance of 150 mOhms and supports SPI input for control and channel status indicators. It operates within a voltage range of 2.25 V to 5.5 V and functions between -40°C and +125°C. The component is housed in a 32-DFN (9x9) surface-mount package.
Feature Summary
- Dual-channel isolated smart switch architecture with integrated sinking outputs
- SPI interface for digital control and real-time channel status monitoring
- Integrated overcurrent protection with defined current limiting thresholds
Applications
- Industrial power distribution systems requiring galvanic isolation
- Automotive electronic control units needing high-side or low-side switching
- Smart load drivers in harsh environment applications
Procurement Notes
Verify the specific suffix 'BDA' against official Skyworks documentation to confirm pinout, thermal pad configuration, and electrical tolerances. Ensure compatibility with system isolation requirements and SPI communication protocols before integration. Confirm availability through authorized distributors as supply status may vary.
Selection Notes
Select this component when dual-channel isolated switching with SPI diagnostics is required. Compare on-resistance and current limits against load specifications. Verify that the 32-DFN package fits the PCB layout constraints and thermal management strategy. Ensure the operating voltage range matches the system supply rails.
Part Context
This part belongs to the SI834xx series of isolated power switches from Skyworks Solutions. These devices are designed for robust power distribution in electrically noisy environments. The series typically offers integrated protection features and digital control interfaces suitable for modern industrial and automotive electronics.
Replacement Considerations
Check Skyworks datasheets for direct pin-to-pin replacements within the SI834xx family. Verify equivalent current ratings and isolation voltages for any alternative components.
