LV8121V-MPB-H

Overview

The LV8121V-MPB-H is a three-phase brushless DC motor controller and driver manufactured by onsemi. It integrates full control and power stages in a 44-SSOPK package. The device supports open-loop speed control using Hall sensor inputs. It operates within a supply voltage range of 8 V to 35 V and delivers an output current of 3.5 A per phase. The component functions across a temperature range of -30 °C to +100 °C.

Feature Summary

• Integrates full control logic and power stage for three-phase BLDC motors
• Supports open-loop speed control via Hall sensor method
• Utilizes Bi-CMOS technology for efficient operation

Applications

• Fan motor drivers

Procurement Notes

Verify component status as the LV8121V-MPB-H is listed as obsolete or end-of-life. Confirm availability through authorized distributors or secondary markets. Check RoHS compliance and moisture sensitivity level (MSL 3) requirements during handling. Ensure design-in compatibility with existing system constraints before procurement.

Selection Notes

Select this component for applications requiring integrated three-phase BLDC motor control without external microcontrollers. Suitable for fan systems needing open-loop Hall sensor feedback. Consider the 44-SSOPK package size and thermal performance within the specified operating temperature range when designing the PCB layout.

Part Context

This part belongs to the LV8121 family of motor controllers from onsemi. It is designed for cost-effective, high-performance BLDC motor applications. The device simplifies design by combining PWM interface capabilities with power driving functions in a single IC.

Replacement Considerations

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