T6818-TUSY-66

Full Half-Bridge (H Bridge) Drivers Overview

The T6818-TUSY-66 is a half-bridge driver manufactured by Microchip Technology, designed for driving inductive, capacitive, and resistive loads. It utilizes an SPI interface and BCDMOS technology to provide three independent half-bridge outputs with a typical on-resistance of 500 milliohms and a continuous output current of 1.5A per channel. The device operates within a supply voltage range of 4.75V to 5.25V and supports load voltages from 5.6V to 40V. It features comprehensive fault protection including ESD, open-load detection, overtemperature, short-circuit, and UVLO, housed in a 14-SOIC package.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates three independent half-bridge drivers with integrated power MOSFETs for compact system design
• Provides detailed status reporting via SPI interface for real-time monitoring of bridge states
• Includes robust diagnostic capabilities such as open-load detection and overcurrent protection

Full Half-Bridge (H Bridge) Drivers Applications

• Brushed DC motor control systems
• Automotive lighting applications including bulb drivers
• Resistive load management circuits

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the exact suffix configuration when sourcing this component, as variations like TUQ or TUS may indicate different packaging or temperature grades. Confirm availability status as distribution channels frequently list obsolete or end-of-life inventory. Ensure compatibility with existing PCB footprints for the 14-SOIC package before finalizing procurement plans.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this driver for applications requiring precise digital control of multiple half-bridges via serial communication. It is suitable for designs needing integrated fault diagnostics and high-current switching capability within a small form factor. Consider the operating temperature range and voltage specifications to ensure alignment with the target system's electrical requirements.

Full Half-Bridge (H Bridge) Drivers Part Context

This component belongs to Microchip's family of intelligent half-bridge drivers designed for automotive and industrial environments. These devices integrate power stages with sophisticated control logic to simplify system architecture. The T6818 series specifically targets applications demanding reliable motor and lamp driving with advanced diagnostic feedback through standard serial interfaces.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

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