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The MP6540GU-Z is a three-phase power stage designed for brushless DC motor control, manufactured by Monolithic Power Systems. It integrates three half-bridge drivers with six N-channel power MOSFETs, pre-drivers, gate drive power supplies, and current detection amplifiers. The device operates within a supply voltage range of 5.5 V to 35 V and delivers a continuous output current of 3 A. It features an internal charge pump supporting 100% duty cycle operation and automatic synchronous rectification. The component is housed in a QFN-26 package (5 mm × 5 mm) and functions across a temperature range of -40 °C to +125 °C.
Verify the specific suffix 'Z' against official MPS documentation to confirm compliance with RoHS directives and lead-free manufacturing standards. Confirm that the QFN-26 package dimensions align with the target PCB footprint requirements. Ensure input signal levels match the specified logic thresholds for PWM and enable pins.
Select this component when a compact solution for three-phase BLDC motors is required with integrated power stages. The MP6540GU-Z variant specifically utilizes PWM and enable inputs, distinguishing it from variants with high-side/low-side inputs. Consider the 3 A continuous current rating and 35 V maximum supply voltage against load requirements.
This part belongs to the MP6540 series of three-phase power stages from Monolithic Power Systems. It is categorized under Motor / Motion / Ignition Controllers & Drivers. The series includes variants like the MP6540AGU-P which differ primarily in input configuration, offering HS and LS inputs instead of PWM and ENBL.
The MP6540GU-Z supports PWM and Enable (ENBL) inputs for each half-bridge.
Yes, the device includes an internal charge pump and trickle charging circuit to maintain sufficient gate drive voltage for 100% duty cycle operation.