L99H92Q5-TR

Overview

The L99H92Q5-TR is an H-Bridge Gate Driver designed for automotive applications, manufactured by STMicroelectronics. It operates within a supply voltage range of 4.75 V to 18 V and supports a maximum output current of 300 mA per channel. The device functions across an extended temperature range from -40 °C to +150 °C. It utilizes a VFQFN-32 surface-mount package with a thermal pad for efficient heat dissipation. The component includes integrated protection features such as overcurrent protection, under-voltage lockout, and thermal shutdown to ensure reliable operation in demanding environments.

Feature Summary

• Integrated H-Bridge gate driver architecture optimized for automotive-grade reliability
• Built-in comprehensive protection mechanisms including overcurrent, under-voltage lockout, and thermal shutdown
• High peak output current capability supporting direct drive of power MOSFETs
• Extended operating temperature range suitable for harsh automotive environments

Applications

• Automotive motor control systems
• Solenoid driving applications
• Valve actuation circuits
• Pump control modules

Procurement Notes

Verify the specific ordering suffix and tape/reel specifications against the official datasheet before procurement. Confirm that the requested quantity aligns with the manufacturer's standard packaging requirements. Ensure compliance with automotive quality standards required for the target application. Cross-reference the part number with the latest revision history to avoid obsolete versions. Validate compatibility with existing PCB footprint and thermal management design.

Selection Notes

Select this component when an integrated solution for driving H-Bridge configurations in automotive environments is required. Consider its high current capability and robust protection features for controlling inductive loads like motors or solenoids. Evaluate the VFQFN-32 package for space-constrained designs requiring effective thermal performance. Compare against discrete solutions to assess integration benefits and system complexity reduction.

Part Context

This part belongs to the L99 series of automotive gate drivers from STMicroelectronics, focusing on high-reliability power switching applications. It is categorized under Motor Drivers within the Power Management ICs family. The device complements other ST automotive components by providing dedicated control for bridge configurations, ensuring standardized interface and protection logic across similar product lines.

Replacement Considerations

Consult the official STMicroelectronics cross-reference documentation for verified alternative part numbers. Ensure any substitute maintains identical pinout, electrical characteristics, and automotive qualification status. Verify package compatibility and thermal performance metrics before implementation.