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SI9978DW - Configurable H-Bridge Driver

Description

The Si9978DW is an integrated driver for an n-channel MOSFET H-bridge.

The mode control allows operation as either a full H-bridge driver or as two independent half-bridges.

Features

  • H-Bridge or Dual Half-Bridge Operation.
  • Cross-Conduction Protected.
  • 20- to 40-V Supply.
  • Current Limit.
  • Static (dc) Operation.
  • Undervoltage Lockout.
  • ESD Protected.
  • Fault Output.

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Datasheet preview – SI9978DW

Datasheet Details

Part number SI9978DW
Manufacturer Vishay Siliconix
File Size 165.50 KB
Description Configurable H-Bridge Driver
Datasheet download datasheet SI9978DW Datasheet
Additional preview pages of the SI9978DW datasheet.

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Full PDF Text Transcription

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Si9978DW Vishay Siliconix Si9978 Configurable H-Bridge Driver FEATURES • H-Bridge or Dual Half-Bridge Operation • Cross-Conduction Protected • 20- to 40-V Supply • Current Limit • Static (dc) Operation • Undervoltage Lockout • ESD Protected • Fault Output DESCRIPTION The Si9978DW is an integrated driver for an n-channel MOSFET H-bridge. The mode control allows operation as either a full H-bridge driver or as two independent half-bridges. The DIR/PWM input configuration allows easy implementation of either sign/magnitude or anti-phase PWM drive schemes for full H-bridges. Schmitt triggers on the inputs provide logic signal compatibility and hysteresis for increased noise immunity.
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