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SI83402BCA-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
- 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 SI83402BCA-IF is an isolated smart switch from Skyworks Solutions, designed for power distribution applications. It integrates two independent high-side or low-side switches within a single package. The device supports a logic supply voltage range of 2.25 V to 5.5 V and a switch supply voltage range of 9 V to 32 V. It features a fast update rate of 10 μs and can handle up to 1.25 A per channel. The component is housed in a 32-lead DFN (9x9 mm) package.
Feature Summary
- Integrates dual isolated high-side or low-side switches
- Supports wide input voltage ranges for logic and switch supplies
- Features a fast 10 μs update rate for rapid control
Applications
- Industrial power distribution systems
- Automotive electronic control units
- Server and storage power management
Procurement Notes
Verify the specific suffix 'IF' corresponds to the required tape and reel packaging configuration. Confirm that the 32-lead DFN footprint matches the target PCB layout. Ensure thermal management strategies account for the power dissipation characteristics of the integrated switches under maximum load conditions.
Selection Notes
Select this component when dual-channel isolation is required in a compact form factor. It is suitable for designs needing independent control of high-side and low-side loads with galvanic isolation. Consider the 1.25 A current rating and 32 V maximum voltage when sizing for specific load requirements.
Part Context
This part belongs to the Si834x family of isolated smart switches. These devices are engineered to simplify power switching architectures by combining multiple channels and isolation barriers into a single integrated circuit. The family targets applications requiring robust protection and precise control of power rails.
Replacement Considerations
Check datasheets for alternative Skyworks Si834x variants such as SI83401 or SI83404 if different channel counts are needed. Verify pin compatibility and electrical specifications before substituting with components from other manufacturers.
