L9960D-TR

Full Half-Bridge (H Bridge) Drivers Overview

The L9960D-TR is an automotive-grade, dual H-bridge DC brushed motor driver manufactured by STMicroelectronics. It operates within a supply voltage range of 4 V to 28 V and supports output voltages up to 40 V. The device features two independent half-bridge outputs capable of delivering up to 9 A per channel. It is designed for high-temperature environments with a maximum operating temperature of +170 °C and minimum of -40 °C. The component consumes 5 mA of quiescent current and functions at switching frequencies up to 20 kHz. It is housed in a PowerSSO-36 surface-mount package and complies with AEC-Q100 standards.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Dual H-bridge architecture enabling independent control of two DC brushed motors or one bipolar stepper motor
• High thermal resilience supporting operation up to +170 °C junction temperature
• Automotive qualification ensuring reliability under strict environmental conditions
• Low standby power consumption suitable for battery-powered applications

Full Half-Bridge (H Bridge) Drivers Applications

• Automotive seat adjustment systems
• Window and sunroof actuation mechanisms
• HVAC fan and blower motor control
• Power steering pump drivers

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix (D-TR) against the official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the PowerSSO-36 package. Confirm that the 40 V rating aligns with system transient requirements. Check for moisture sensitivity level compliance during storage and handling procedures.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when driving dual DC brushed motors in automotive environments requiring high thermal stability. It is appropriate for applications needing robust overcurrent protection and low quiescent current. Consider alternative packages if space constraints differ from the PowerSSO-36 dimensions. Validate SPI interface compatibility if programmable features are utilized.

Full Half-Bridge (H Bridge) Drivers Part Context

The L9960 belongs to STMicroelectronics' specialized automotive interface and power management portfolio. It is part of a family of smart power devices designed for harsh automotive environments. The D-TR suffix indicates a specific tape-and-reel packaging variant intended for automated surface-mount assembly processes.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference data through official manufacturer channels before substitution.