MP6538 Datasheet (data sheet) PDF





MP6538 Datasheet, BLDC Motor Pre-Driver

MP6538   MP6538  

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MP6538 100V, Three-Phase, BLDC Motor Pre -Driver with Hall Signal Interface DES CRIPTION The MP6538 is a gate driver IC designed for three-phase, brushless DC motor driver applications. The MP6538 is capable of driving three half-bridge s consisting of six N-channel power MOS FETs up to 100V. The MP6538 uses bootst rap capacitor to generate a supply volt age for the high-side MOSFET driver. An internal charge pump maintains the hig h-side gate driver if the output is hel d high for an extended period of time. Full protection features include progra mmable over-current protection (OCP), a djustable deadtime control, under-volta ge lockout (UVLO), and th

MP6538 Datasheet, BLDC Motor Pre-Driver

MP6538   MP6538  
ermal shutdown. The MP6538 has three hal l-sensor inputs. Commutation logic is d etermined by three Hall element inputs spaced at 120°. The PWM, DIR, and nBRA KE inputs are used to control motor spe ed, position, and torque. The MP6538 is available in a QFN-28 (4mmx5mm) packag e with an exposed thermal pad. FEATURE S  Supports 100V Operation  Hall Sensor Inputs  120V VBST Maximum Vol tage  Internal LDO Supports External NPN for High-Current Drive Requirement s  Integrated Current-Sense Amplifie r  Low-Power Sleep Mode  Programm able Over-Current Protection (OCP) of E xternal MOSFETs  Adjustable Dead-Tim e Control to Prevent Shoot-Through  Thermal Shutdown and Under-Voltage Lock out (UVLO) Protection  Fault Indicat ion Output  Available in a Thermally Enhanced Surface- Mounted QFN-28 (4mmx 5mm) Package APPLICATIONS  Three-Pha se Brushless DC Motors and Permanent Ma gnet Synchronous Motors  Power Drill s  E-Bikes All MPS parts are lead-fr ee, halogen-free, and adhere to the RoH S directive. For MPS green status, plea se visit the MPS website under Quality Assurance. “MPS” and “The Future of Analog IC Technology” are register ed trademarks of Monolithic Power Syste ms, Inc. TYPICAL APPLICATION LDO VREG nFAULT PWM DIR nBRAKE HA HB HC nSLEEP OCREF CSO DT MP6538 Exposed GND PAD VIN BSTA G








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