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SI8281 - 4.0 Amp ISODrivers

Datasheet Summary

Description

The operation of an Si828x channel is analogous to that of an optocoupler and gate driver, except an RF carrier is modulated instead of light.

This simple architecture provides a robust isolated data path and requires no special considerations or initialization at start-up.

Features

  • 4 A IGBT driver.
  • System Safety Features.
  • DESAT detection.
  • FAULT feedback.
  • Undervoltage Lock Out (UVLO).
  • Soft shutdown on fault condition.
  • Silicon Labs’ high-performance isolation technology.
  • Industry leading noise immunity.
  • High speed, low latency and skew.
  • Best reliability available.
  • 30 V driver-side supply voltage.
  • Integrated Miller clamp.
  • Power ready pin.
  • Complementar.

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Datasheet preview – SI8281

Datasheet Details

Part number SI8281
Manufacturer Silicon Laboratories
File Size 1.04 MB
Description 4.0 Amp ISODrivers
Datasheet download datasheet SI8281 Datasheet
Additional preview pages of the SI8281 datasheet.

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Full PDF Text Transcription

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Si8281/82/83/84 Data Sheet 4.0 Amp ISODrivers with Integrated DC-DC Converters The Si828x family (Si8281/82/83/84) is made up of isolated, high-current gate drivers with integrated system safety and feedback functions. These devices are ideal for driving power MOSFETs and IGBTs used in a wide variety of inverter and motor control applications. The Si828x isolated gate drivers utilize Silicon Labs' proprietary silicon isolation technology, supporting up to 5.0 kVrms withstand voltage per UL1577. This technology enables higher-performance, reduced variation with temperature and age, tighter part-topart matching, and superior common-mode rejection compared to other isolated gate driver technologies.
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