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Monolithic Power Systems (MPS) MP6540H 3-Phase BLDC Motor Drivers are 50V and 5A three-phase power stage with PWM and enable inputs. These drivers integrate three half-bridges consisting of six N-channel power MOSFETs, pre-drivers, gate drive power supplies, and current-sense amplifiers. The MP6504H drivers feature enable (EN) and PWM inputs for each half-bridge and the MP6540HA come with separate high-side and low-side inputs. These MP6540H drivers deliver up to 6A of peak current and 5A of continuous output current that are based on thermal and PCB conditions. The MP6540H uses an internal charge pump to generate the gate drive supply voltage for the high-side MOSFETs.
These drivers feature a trickle charge circuit that maintains sufficient gate drive voltage to operate at a 100% duty cycle. The MP6540H drivers come with internal safety features like thermal shutdown, under-voltage lockout (UVLO), and over-current protection (OCP). The drivers are available in a QFN-26 (5mm x 5mm) package.
Typical Applications include smart motor/servo systems, robots, drones, gimbals, textile machines, medical equipment, and laser printers.
