— IC芯片 | 连接器 | 传感器 | 被动器件 —
Product Detailed Parameters
- Description:DGTL ISO 1.5KV 4CH SPI 32-VFDFN
- Series:Si834x
- Mfr:Skyworks Solutions Inc.
- Package:Tray
- Switch Type:General Purpose
- Number of Outputs:4
- Ratio - Input:Output:4 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):700mA
- Rds On (Typ):155mOhm
- 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 Si83404BAA-IF is a four-channel isolated smart switch from the Skyworks Si834xx series, designed for power distribution applications. It integrates high-side and low-side switches with an output current of 700 mA and a maximum on-resistance of 280 mOhms. The device supports a supply voltage range of 2.25 V to 32 V and includes current limiting at 880 mA. Operating temperatures span from -40°C to +125°C in a DFN-32 package.
Feature Summary
- Integrates four independent isolated channels for flexible power routing
- Combines high-side and low-side switching capabilities within a single IC
- Provides integrated overcurrent protection with defined limit thresholds
Applications
- Industrial power distribution systems
- Automotive electronic control units
- IoT connectivity infrastructure
Procurement Notes
Verify the specific suffix 'IF' against official Skyworks documentation to confirm tape-and-reel packaging requirements. Ensure compatibility with DFN-32 footprint designs and check moisture sensitivity levels before assembly. Confirm RoHS compliance status through the manufacturer's latest environmental declarations.
Selection Notes
Select this component when four isolated channels are required for simultaneous load management. The wide input voltage range suits diverse industrial environments. Verify thermal performance under maximum load conditions due to the specified on-resistance values.
Part Context
This part belongs to the Si834xx family of isolated smart switches. These devices are engineered for robust power distribution in demanding environments. The series emphasizes integration and isolation to simplify system design while maintaining safety standards.
Replacement Considerations
Consult official Skyworks substitution guides for verified alternatives. Generic equivalents may not match the specific isolation ratings or channel configurations.
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