MP6543BGL-P

Overview

The MP6543BGL-P is a three-phase brushless DC motor controller and driver manufactured by Monolithic Power Systems. It integrates a three-phase power stage with Hall-element inputs for commutation control. The device supports a supply voltage range of 3V to 12V and delivers a continuous output current of 2A per phase. It utilizes NMOS technology within a 24-pin QFN package measuring 3mm x 4mm. The operating junction temperature range extends from -40°C to +125°C, ensuring reliability in demanding thermal environments.

Feature Summary

• Integrates three half-bridge drivers with dedicated Hall-element inputs for sensor-based commutation
• Includes internal charge pump to support high-side MOSFET gate driving at 100% duty cycle
• Features integrated bidirectional current sampling amplifier with adjustable overcurrent protection thresholds
• Provides comprehensive safety mechanisms including under-voltage lockout and over-temperature shutdown

Applications

• Three-phase BLDC motor control systems requiring Hall sensor feedback
• Industrial automation equipment utilizing low-voltage motor drives
• Consumer appliances employing integrated motor driver solutions

Procurement Notes

Verify the specific suffix P against official MPS documentation to confirm packaging configuration. Ensure compatibility with Hall-sensor based control schemes rather than PWM-only or sensorless methods. Confirm the 24-QFN footprint matches the target PCB layout. Validate that the 12V maximum supply rating aligns with the system power rails.

Selection Notes

Select this component when Hall-sensor input interfaces are required for precise commutation timing. The 2A current capability suits moderate load applications within the 3V to 12V voltage window. Consider the 24-QFN package size for space-constrained designs. Verify thermal performance requirements given the integrated power stage and ambient operating conditions up to 125°C.

Part Context

This part belongs to the MP6543 family of three-phase BLDC motor drivers. Variants such as MP6543GL-P offer PWM/Enable inputs, while MP6543BGL-P specifically targets Hall-element inputs. All variants share the same core power stage architecture and protection features but differ in control interface logic.

Replacement Considerations

MP6543BGL-Z is a parameter-equivalent alternative within the same product line.