L6491DTR - STMicroelectronics

Manufacturer Part Number

L6491DTR

Manufacturer

STMicroelectronics

Introduction

The L6491DTR is a high-performance driver, designed for high-speed, high-frequency applications.

Product Features and Performance

Independent half-bridge driver

Capable of driving IGBT and N-Channel MOSFET gates

Supply voltage range from 10V to 20V

Distinct logic voltage thresholds, VIL at 1.45V and VIH at 2V

Strong peak output currents of 4A both sourcing and sinking

Non-inverting input type

Robust high-side drive with 600V maximum bootstrap voltage

Fast switching with 15ns typical rise and fall times

Operational over a temperature range from -40°C to 125°C

Product Advantages

Flexible power supply parameters accommodate various design needs

Tight switching times enable efficient operation at high frequencies

Strong current capabilities improve driving power for gates

Built to handle significant voltage swings

High thermal threshold ensures performance stability in rigorous conditions

Key Technical Parameters

Peak output current: 4A (source), 4A (sink)

Rise/fall time: 15ns typical

High side voltage (max): 600V

Supply voltage: 10V to 20V

Logic voltage levels: VIL 1.45V, VIH 2V

Quality and Safety Features

Extended operating temperature range ensures reliability across various environments

Compatibility

Suitable for driving both IGBT and N-Channel MOSFET technologies

Tailored for systems requiring independent half-bridge control

Application Areas

Motor control systems

Power inverters and converters

Switching power supplies

Product Lifecycle

Status: Active

Not reported as nearing discontinuation, replacements or upgrades should be monitored through STMicroelectronics

Several Key Reasons to Choose This Product

High integration with independent channels allows for flexible design options

Enhanced electrical parameters support efficient and high-frequency operation

Robustness against high voltage ensures suitability for industrial applications

Fast switching characteristics improve overall system performance

Resilience in extreme temperatures enables reliable use in diverse environments

STMicroelectronics' reputation for quality and long-term availability supports product confidence