LB1980JH-MPB-E

Overview

The LB1980JH-MPB-E is a three-phase brushless DC motor driver manufactured by onsemi. It operates within a supply voltage range of 4.5 V to 5.5 V for logic and up to 22 V for the motor bridge. The device integrates three half-bridge outputs capable of driving BLDC motors. It features a parallel interface for control signals and includes built-in protection mechanisms such as overcurrent and thermal shutdown. The component is housed in a 28-pin HSOP package with an exposed pad and heat tabs for efficient thermal management.

Feature Summary

• Integrates three half-bridge drivers for direct control of three-phase brushless DC motors
• Supports parallel interface operation for straightforward digital control
• Includes integrated safety features like overcurrent and thermal protection

Applications

• Three-phase brushless fan motor control systems
• Computer cooling fans and chassis ventilation units
• Small appliance motor drive circuits

Procurement Notes

Verify current availability status as this part may be subject to discontinuation or limited stock. Confirm RoHS compliance documentation matches specific manufacturing dates. Ensure ordering suffixes align with required packaging formats. Cross-reference datasheet revisions to confirm pinout and electrical characteristics remain unchanged from previous versions.

Selection Notes

Select this component when designing low-voltage logic-controlled three-phase BLDC applications. It is suitable for systems requiring integrated protection without external discrete components. Consider the 28-HSOP package constraints for PCB layout and thermal dissipation requirements. Verify that the input voltage levels match the parallel interface logic standards of the controlling microcontroller.

Part Context

This device belongs to the LB1980 series of motion control ICs designed for fan and motor applications. It represents a specialized solution for integrating motor drive functionality into compact electronic assemblies. The product line focuses on providing reliable, cost-effective motor control for consumer and industrial electronics requiring precise three-phase commutation.

Replacement Considerations

Check for LB1980JH-TLM-E as a potential alternative variant within the same family. Verify functional compatibility regarding pin assignments and electrical specifications before substitution. Consult official obsolescence notices for recommended new parts if this model is discontinued.