Description

The HIP4084 is a Four Phase Bridge N-Channel MOSFET driver IC. Specifically targeted for PWM and stepper motor control applications, the HIP4084 makes bridge based designs simple and flexible. With operation up to 80V and undervoltage detection, the device is best suited to applications of moder ate power levels.

Features

• Independently Drives 8 N-Channel MOSFETs in Either

Four Phase Bridge Configuration or Dual H-Bridge Configuration

• 1.25A Peak Turn-Off Current

• Bootstrap Supply Max Voltage to 95VDC

• Bias Supply Operation from 7V to 15V

• User-Programmable Dead Time (0.25µs to 4.5µs)

• Charge-Pump and Bootstrap Maintain Upper Bias Supplies

• Drives 1000pF Load with Typical Rise Time of 20ns and Fall Time of 10ns

• EN(Disable) Overrides Input Control

• Input Logic Thresholds Compatible with 3V to 15V Logic Levels

• Dead Time Disable Capability

• Programmable Undervoltage Set Point

Applications

• Brushless Motors

• AC Motor Drives

• Stepper Motors

• Switched Reluctance Motor Drives