LB11850VA-MPB-H

Overview

The LB11850VA-MPB-H is a single-phase bipolar fan motor driver with speed control function that works with a speed feedback signal. It operates within a voltage range of 4.5V to 5.5V for the logic section and 5.5V to 16V for the power section. The device is housed in a 24-SSOP package and supports surface mount mounting style. It functions as a pre-driver half bridge configuration.

Feature Summary

• Single-phase bipolar fan motor driver design
• Integrated speed control functionality compatible with speed feedback signals
• Half-bridge output configuration

Applications

• Single-phase fan motor speed regulation
• Bipolar fan motor driving systems
• Appliance cooling control circuits

Procurement Notes

Verify component status carefully as this part is listed as obsolete or discontinued by major distributors. Confirm availability through secondary market channels or alternative sources if immediate procurement is required. Check datasheet revisions for any functional updates prior to integration into new designs.

Selection Notes

Select this component specifically for single-phase bipolar fan applications requiring integrated speed control via feedback signals. Ensure supply voltages align with the specified 4.5-5.5V logic and 5.5-16V power ranges. Consider the 24-SSOP package constraints for PCB layout and thermal management requirements during selection.

Part Context

This IC belongs to the PMIC - Power Management ICs category, specifically under Motor Drivers and Controllers. It is part of the LB11850 series designed for efficient motor control solutions. The manufacturer is onsemi, known for automotive and industrial semiconductor components.

Replacement Considerations

Consult official substitution guides for equivalent single-phase bipolar fan drivers. Verify pin compatibility and electrical specifications before replacing with similar models from other manufacturers.