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Si9978 Datasheet Configurable H-Bridge Driver

Manufacturer: Vishay

Overview: End of Life. Last Available Purchase Date is 31-Dec-2014 Si9978 Vishay Siliconix Configurable H-Bridge.

General Description

The Si9978 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.

Key Features

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