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SI83402BAA-IFR
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Product Detailed Parameters
- Description：DGTL ISO 1.5KV 2CH SPI 32-VFDFN
- Series：Si834x
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR)
- 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 SI83402BAA-IFR is a dual-channel isolated smart switch from Skyworks Solutions, designed for power distribution applications. It integrates high-side and low-side N-channel MOSFETs with integrated drivers and digital isolators. The device supports an input voltage range of 2.25 V to 32 V and delivers up to 1.25 A per channel. Key electrical characteristics include a maximum on-resistance of 280 mΩ and current limiting at 880 mA. It operates within a temperature range of -40°C to +125°C and is housed in a compact 32-DFN (9x9 mm) package.
Feature Summary
- Integrates dual-channel power switching with high-voltage digital isolation
- Provides comprehensive protection including overcurrent, overtemperature, and undervoltage lockout
- Features fast switching times for efficient power management
- Supports parallel operation for increased current capability
Applications
- Industrial automation power distribution
- Telecommunications equipment power systems
- Automotive electronic control units
- Renewable energy inverter systems
Procurement Notes
Verify the specific suffix 'IFR' corresponds to the reel packaging configuration as defined by Skyworks Solutions Inc. Confirm that the 32-DFN footprint matches your PCB layout requirements. Ensure compatibility with the required isolation voltage ratings for your application safety standards. Cross-reference the datasheet revision date to confirm the most recent thermal and electrical specifications are applied.
Selection Notes
Select this component when dual-channel isolated switching is required with high current capacity. Compare against single-channel variants if only one output is needed. Consider the 32-DFN package size constraints relative to available board space. Evaluate thermal performance under maximum load conditions to ensure adequate heat dissipation without additional heatsinking.
Part Context
This part belongs to the Si834xx family of isolated smart switches, which combines power MOSFETs with capacitive digital isolators. The family offers various channel counts and current ratings to suit different power distribution needs. The SI83402BAA-IFR specifically targets applications requiring robust isolation and high current handling in a compact form factor.
Replacement Considerations
Check for direct pin-compatible replacements within the Si834xx series, such as the SI83402BCA-IFR, ensuring identical electrical parameters. Verify that any substitute maintains the same isolation voltage rating and package dimensions. Confirm availability and lead times for alternative sources if supply chain constraints exist.
