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SI83401BCA-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 SI83401BCA-IFR is a high-side power switch IC from Skyworks Solutions, designed for isolated smart switch applications. It features a single N-channel output capable of delivering up to 2.5 A. The device operates with a supply voltage range of 2.25 V to 32 V and supports SMD/SMT installation in a 32-DFN (9x9) package. It functions within a temperature range of -40°C to +125°C.
Feature Summary
- Provides isolated high-side switching capability for load protection
- Supports wide input voltage operation for flexible system integration
- Integrated current limiting and thermal shutdown for robust performance
Applications
- Industrial automation control systems
- Telecommunications power distribution units
- Automotive electronic control modules
Procurement Notes
Verify the specific suffix 'IFR' corresponds to the reel packaging configuration required for your assembly line. Confirm that the 32-DFN footprint matches your PCB layout exactly. Ensure compatibility with your isolation requirements as this component provides galvanic isolation between control and power domains. Check moisture sensitivity levels before soldering.
Selection Notes
Select this part when a single-channel, high-current high-side switch with isolation is required. Compare against the SI83404 series if multiple channels are needed. Consider the 2.5 A continuous current rating against your load profile. Verify that the 32-DFN package size fits within your spatial constraints compared to smaller alternatives.
Part Context
This component belongs to the Si834xx family of isolated smart switches from Skyworks Solutions. These devices are engineered for reliable power distribution in environments requiring electrical isolation. The family includes variants with different channel counts and current ratings, all sharing similar isolation technologies and protection features.
Replacement Considerations
Direct substitutes include other Skyworks Si834xx series parts like the SI83401BAA-IFR, provided the package and electrical specifications match. Cross-manufacturer replacements require careful verification of isolation voltage ratings and pinout compatibility.
