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SI83412BAA-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 SI83412BAA-IFR is a dual-channel isolated smart switch manufactured by Skyworks Solutions. It integrates two N-channel power switches with independent digital isolators, rated for a continuous current of 1.25A per channel. The device operates within a supply voltage range of 2.25V to 32V and features a 32-DFN (9x9) package. Key electrical characteristics include a maximum on-resistance of 155mΩ, a maximum turn-on time of 2.7µs, and a maximum turn-off time of 2.7µs. It supports high-side and low-side configurations and includes protection against overcurrent conditions.
Feature Summary
- Integrates dual N-channel power switches with independent digital isolation barriers
- Supports flexible high-side and low-side load switching configurations
- Provides integrated overcurrent protection mechanisms
Applications
- Industrial motor control systems requiring isolated switching
- Power distribution units in automated manufacturing equipment
- Smart grid infrastructure and renewable energy inverters
Procurement Notes
Verify the specific suffix 'IFR' corresponds to the tape-and-reel packaging variant when sourcing components. Confirm that the 32-DFN (9x9) footprint matches the target PCB layout dimensions. Ensure compatibility with the required operating temperature range of -40°C to +125°C for the intended application environment. Cross-reference the datasheet for moisture sensitivity levels and reflow soldering profiles.
Selection Notes
Select this component for applications requiring galvanic isolation between control logic and high-voltage loads. The dual-channel architecture reduces board space compared to discrete solutions. Evaluate the 155mΩ on-resistance to ensure thermal management meets system requirements at 1.25A loads. Consider the 2.7µs switching speeds for timing-critical industrial communication protocols.
Part Context
This part belongs to the Si834xx series of isolated smart switches from Skyworks Solutions. The series provides integrated solutions combining power switching and digital isolation. The SI83412BAA-IFR specifically offers dual channels, distinguishing it from single-channel variants like the SI83404AAA or quad-channel models such as the SI83418AFA within the same product family.
Replacement Considerations
The SI83412BAA-IF is the non-reel version of the same functional component. For quad-channel requirements, the SI83418AFA-IF serves as a higher-density alternative within the same series.
