SIC645ALR-T1-GE3

Full Half-Bridge (H Bridge) Drivers Overview

The SIC645ALR-T1-GE3 is a Smart Power Stage gate driver manufactured by Vishay Siliconix. It integrates high-side and low-side drivers within a single package, designed for voltage regulator applications. The device operates with an input supply voltage range of 4.5 V to 18 V and supports a 3.3 V PWM control interface. It delivers a peak output current of 60 A and utilizes a PowerPak-32 surface-mount package. The component functions in a non-inverting configuration with specified delay characteristics.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates dual high-side and low-side gate drivers into a compact Smart Power Stage architecture
• Supports direct connection to 3.3 V PWM controllers for simplified system design
• Provides high peak output current capability for efficient power switching
• Features non-inverting logic configuration for straightforward signal processing

Full Half-Bridge (H Bridge) Drivers Applications

• Voltage Regulator Point-of-Load (VR-POL) modules
• Server and workstation power distribution networks
• Graphics processing unit (GPU) power regulation stages
• High-density DC/DC converter designs requiring integrated drive solutions

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix and tape-and-reel packaging details against the manufacturer's latest documentation before ordering. Confirm that the PowerPak-32 footprint matches the target PCB layout requirements. Ensure the operating temperature range aligns with the intended application environment. Cross-reference the datasheet revision history to confirm compatibility with existing design specifications.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a combined high-side and low-side driving solution is required for synchronous buck converters. The integrated nature reduces external component count compared to discrete driver and MOSFET combinations. Consider the 60 A peak current rating relative to the connected power stage requirements. Evaluate the thermal performance within the PowerPak-32 package for the specific power dissipation needs.

Full Half-Bridge (H Bridge) Drivers Part Context

This part belongs to the SIC series of Smart Power Stages from Vishay Siliconix. These devices are engineered to simplify the design of high-current power conversion systems by integrating gate drive functionality directly with the power stage control logic. The series targets applications demanding high efficiency and reduced board space in power management architectures.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.