Applications

Datasheet

HIP4082
80V/1.25A Peak Current Full Bridge FET Driver

Typical Diagram

enlarge +typical diagram

Key Features

    • Independently Drives 4 N-Channel FET in Half Bridge or Full Bridge Configurations
    • Bootstrap Supply Max Voltage to 95VDC
    • Drives 1000pF Load in Free Air at 50°C with Rise and Fall Times of Typically 15ns
    • User-Programmable Dead Time (0.1 to 4.5µs)
    • DIS (Disable) Overrides Input Control and Refreshes Bootstrap Capacitor when Pulled Low
    • Input Logic Thresholds Compatible with 5V to 15V Logic Levels
    • Shoot-Through Protection
    • Undervoltage Protection
    • Pb-free Available

Description

The HIP4082 is a medium frequency, medium voltage H-Bridge N-Channel MOSFET driver IC, available in 16 lead plastic SOIC (N) and DIP packages.

Specifically targeted for PWM motor control and UPS applications, bridge based designs are made simple and flexible with the HIP4082 H-bridge driver. With operation up to 80V, the device is best suited to applications of moderate power levels.

Similar to the HIP4081, it has a flexible input protocol for driving every possible switch combination except those which would cause a shoot-through condition. The HIP4082's reduced drive current allows smaller packaging and it has a much wider range of programmable dead times (0.1 to 4.5µs) making it ideal for switching frequencies up to 200kHz. The HIP4082 does not contain an internal charge pump, but does incorporate non-latching level-shift translation control of the upper drive circuits.

This set of features and specifications is optimized for applications where size and cost are important. For applications needing higher drive capability the HIP4080A and HIP4081A are recommended.

Applications

    • UPS Systems
    • DC Motor Controls
    • Full Bridge Power Supplies
    • Switching Power Amplifiers
    • Noise Cancellation Systems
    • Battery Powered Vehicles
    • Peripherals
    • Medium/Large Voice Coil Motors

Alternatives

Design Tip

Are the Schottky clamp diodes required on the outputs when not driving MOSFETs?

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Is there somewhere I can find out what simulations and models (e.g. Spice, PSpice, IBIS) are available on your website?

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