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SI83416BFA-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：Parallel, 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 SI83416BFA-IF is a dual-channel isolated smart switch from Skyworks Solutions, designed for power distribution applications. It integrates two N-channel power switches with digital isolation capabilities in a single package. The device supports an input voltage range of 2.25 V to 5.5 V and delivers a continuous output current of 1.25 A per channel. It features a low on-resistance of 1.25 Ω and operates within a temperature range of -40°C to +125°C. The component utilizes a 32-pin DFN (9x9 mm) surface-mount package.
Feature Summary
- Integrates dual high-side or low-side power switches with integrated digital isolation
- Provides independent control of each channel via SPI interface
- Includes built-in diagnostic features such as over-current protection and thermal shutdown
- Supports bidirectional current flow for flexible load configuration
Applications
- Industrial motor control systems requiring isolated switching
- Power distribution units in automation equipment
- Smart grid infrastructure components
- Battery management systems in electric vehicles
Procurement Notes
Verify the specific suffix 'IF' corresponds to the tape-and-reel packaging variant when ordering. Confirm that the 32-DFN footprint matches your PCB layout constraints. Ensure compatibility with the required SPI communication protocol levels. Check for RoHS compliance documentation if environmental regulations apply to your assembly process.
Selection Notes
Select this component when dual-channel isolation is required in a compact form factor. Compare against single-channel alternatives if only one load needs control. Consider the 1.25 A current limit against your maximum load requirements. Evaluate the 9x9 mm package size against available board space compared to larger SOIC options.
Part Context
This part belongs to the Si834xx family of isolated smart switches. It complements other variants like the SI83415ADA-IF which offers single-channel functionality. The series is designed to replace traditional discrete solutions by combining power switching and isolation in one IC. It serves as a key component in modern industrial and automotive power management architectures.
Replacement Considerations
Direct substitutes include other members of the Si834xx family such as the SI83415ADA-IF for single-channel needs. Verify pinout compatibility before replacing with similar devices from different manufacturers. Ensure the replacement maintains the same isolation voltage ratings and thermal performance characteristics.
