LB8649W-TBM-E

Full Half-Bridge (H Bridge) Drivers Overview

The LB8649W-TBM-E is a half-bridge driver manufactured by onsemi, designed for driving DC motors, general-purpose loads, and stepper motors. It operates with a supply voltage range of 1.9V to 10V and delivers an output current of 600mA per channel. The device features overtemperature fault protection and utilizes a logic interface. It is housed in a 48-SQFP (7x7) surface-mount package and is rated for an operating temperature range of -20°C to 80°C.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrated half-bridge driver configuration suitable for inductive load control
• Built-in overtemperature protection for enhanced operational safety
• Compatible with standard logic interfaces for straightforward integration

Full Half-Bridge (H Bridge) Drivers Applications

• DC motor control systems
• Stepper motor drivers
• General-purpose inductive load switching

Full Half-Bridge (H Bridge) Drivers Procurement Notes

This component has been officially declared End-of-Life (EOL) by the manufacturer as of December 19, 2017. Current availability is limited to surplus stock distributed by third-party suppliers such as Rochester Electronics, LLC. Designers must verify the authenticity and storage history of available units carefully. Due to the discontinued status, long-term supply cannot be guaranteed through standard manufacturing channels.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Engineers should evaluate alternative active components from the same product family or newer generations that offer equivalent electrical specifications and pin compatibility. Considerations must include verifying that replacement parts support the required 1.9V to 10V supply range and 600mA output capability. Ensure that the selected substitute maintains the necessary thermal protection features and fits within the 48-pin LQFP/SQFP form factor constraints of the existing design.

Full Half-Bridge (H Bridge) Drivers Part Context

The LB8649W belongs to onsemi's portfolio of power management integrated circuits, specifically categorized under full-bridge and half-bridge drivers. This series targets applications requiring reliable control of low-to-medium power inductive loads. The device represents a specialized solution for motor control and switching applications where compact packaging and integrated protection mechanisms are prioritized over high-power handling capabilities.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly listed in the provided documentation. Engineers should consult official cross-reference tools or contact onsemi sales representatives directly to identify qualified alternatives that meet the specific electrical and mechanical requirements of the original design.