L9959S-TR-D

Full Half-Bridge (H Bridge) Drivers Overview

The L9959S-TR-D is a single integrated PMOS high-side H-bridge driver manufactured by STMicroelectronics. Designed for automotive applications, it controls resistive and inductive loads with output current direction supervision. The device operates within a supply voltage range of 7V to 28V and draws a supply current of 7mA. It is housed in a 24-pin PowerSSO-24 package with an exposed bottom pad, suitable for surface mount installation. The component functions across an operating temperature range of -40°C to 150°C.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates a single PMOS high-side H-bridge topology for efficient load control
• Provides built-in supervising functions for output current direction monitoring
• Supports both resistive and inductive load types within automotive environments

Full Half-Bridge (H Bridge) Drivers Applications

• Automotive door actuator drivers
• Seat adjustment motor control
• Window lift systems
• Heated seat regulation circuits

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix TR-D against official STMicroelectronics documentation to confirm tape-and-reel packaging and exact pinout configuration. Ensure compatibility with existing PCB footprints for the 24-PowerSSO package. Confirm that the automotive grade qualification meets project requirements before finalizing procurement orders.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a single-channel H-bridge solution is required for high-side switching applications. It is appropriate for designs needing integrated direction supervision without external logic. Consider the thermal performance of the exposed pad design for heat dissipation needs in compact automotive enclosures.

Full Half-Bridge (H Bridge) Drivers Part Context

This part belongs to the L9959 family, which includes single (L9959S) and dual (L9959U/T) variants. The series is engineered for robust automotive power management, offering integrated protection features typical of STMicroelectronics' dedicated driver ICs. The L9959S-TR-D specifically denotes the single-channel version in reel packaging.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Check for direct cross-reference availability from STMicroelectronics or authorized distributors. Verify pin-to-pin compatibility if substituting with other single H-bridge drivers. Ensure replacement parts maintain the same automotive temperature rating and voltage specifications.