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SI83404AAA-IFR
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Product Detailed Parameters
- Description：DGTL ISO 1.5KV 4CH SPI 32-VFDFN
- Series：Si834x
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR)
- 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 Si83404AAA-IFR is a four-channel isolated smart switch from Skyworks Solutions, designed for power distribution applications. It integrates high-side and low-side switches with a maximum output current of 700 mA and a current limit of 880 mA. The device operates within a supply voltage range of 2.25 V to 32 V and features a maximum on-resistance of 280 mOhms. It supports surface-mount installation in a DFN-32 package and functions reliably across an operating temperature range of -40°C to +125°C.
Feature Summary
- Integrates four independent channels combining high-side and low-side switching capabilities
- Provides electrical isolation between control inputs and power outputs
- Includes integrated current limiting protection mechanisms
Applications
- Industrial power distribution systems
- Automotive electronic control units
- Data center power management infrastructure
Procurement Notes
Verify the specific suffix IFR against official Skyworks documentation to confirm reel packaging specifications. Ensure compatibility with DFN-32 footprint requirements during procurement planning. Confirm moisture sensitivity levels and storage conditions prior to assembly to maintain component integrity.
Selection Notes
Select this component when designing circuits requiring multiple isolated power switches with moderate current handling capabilities. Consider the thermal performance associated with the specified on-resistance values under expected load conditions. Evaluate the operating voltage range against system power rails to ensure proper functionality.
Part Context
This part belongs to the Si834xx series of isolated smart switches manufactured by Skyworks Solutions. The series focuses on providing compact solutions for power distribution in environments requiring galvanic isolation. The DFN-32 package offers a small form factor suitable for space-constrained designs.
Replacement Considerations
Consult official Skyworks substitution guides for verified alternatives within the Si834xx family. Verify pinout compatibility and electrical parameter alignment before considering any cross-references.
