L6743QTR - STMicroelectronics

Manufacturer Part Number

L6743QTR

Manufacturer

STMicroelectronics

Introduction

The L6743QTR is a high-performance half-bridge gate driver optimized for driving N-channel MOSFETs in a synchronous configuration, suitable for advanced power management needs.

Product Features and Performance

Synchronous half-bridge gate driver

Capable of driving two N-Channel MOSFETs

Logic voltage levels compatible: VIL 0.8V, VIH 2V

Power supply voltage range: 5V to 12V

High Side Voltage allowance up to 41V (Bootstrap)

Designed for surface mount technology (SMT)

Product Advantages

Integrated bootstrap diode for high-side drive

High peak output current capability of 2A

Wide operating temperature range from 0°C to 125°C

Non-inverting input simplifies design interfacing

Key Technical Parameters

Number of Drivers: 2

Voltage Supply: 5V ~ 12V

High Side Voltage Max (Bootstrap): 41V

Operating Temperature: 0°C ~ 125°C

Quality and Safety Features

Integrated under-voltage lockout (UVLO) for improved system reliability

Over-temperature protection

Compatibility

Compatible with N-Channel MOSFETs

Logic level inputs compatible with a variety of signal sources

Surface Mount 10-VFDFN Exposed Pad fits standard PCB manufacturing processes

Application Areas

DC/DC converters

Motor control circuits

Power management systems

Other half-bridge applications in electronics

Product Lifecycle

Status: Obsolete

Future availability not guaranteed, consult manufacturer for replacement or upgrade options

Several Key Reasons to Choose This Product

Reliable operation in a wide temperature range

Ability to drive high capacitive loads with 2A peak output

Robust integrated features such as UVLO and over-temperature protection

Designed by a reputable semiconductor manufacturer, STMicroelectronics

Simplified PCB design due to non-inverting input and compact DFN packaging