LB11685VH-MPB-H

Overview

The LB11685VH-MPB-H is a bipolar brushless DC motor driver manufactured by onsemi. It integrates control and power stages for three-phase BLDC applications. The device operates within a supply voltage range of 4.5V to 18V and supports a continuous output current of 1.2A per phase. It features a 24-SSOP-J package and functions across a junction temperature range of -40°C to +150°C.

Feature Summary

• Integrates full control logic and power stage drivers for three-phase brushless DC motors
• Supports parallel interface operation for simplified system integration
• Designed for high-temperature environments with extended thermal operating limits

Applications

• Cooling fan motor drivers
• Motor driver in white goods applications

Procurement Notes

Verify component authenticity through authorized channels as the part is listed as obsolete. Confirm package integrity and pin alignment against the 24-SSOP-J specification. Review datasheet revisions for any parameter shifts prior to final design implementation.

Selection Notes

Select this component for compact three-phase BLDC control requiring integrated power handling. Ensure input voltage aligns with the 4.5V to 18V operational window. Verify thermal management capabilities meet the -40°C to +150°C junction temperature requirements for the target enclosure.

Part Context

This part belongs to the LB11685 series of motor drivers designed for appliance and industrial cooling systems. It replaces earlier discrete solutions by combining gate drive, protection, and control logic into a single monolithic IC, reducing board space and component count.

Replacement Considerations

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