MP6517 Datasheet (data sheet) PDF





MP6517 Datasheet, BLDC Motor Driver

MP6517   MP6517  

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The Future of Analog IC Technology MP65 17 Programmable Single-Phase, BLDC, Mot or Driver with Integrated Hall Sensor DESCRIPTION The MP6517 is a single-phas e, brushless, DC motor driver with inte grated power MOSFETs and a Hall effect sensor. The MP6517 drives single-phase, brushless, DC fan motors with up to 1. 2A of output current limit. The IC has a 3.3V to 18V input voltage range and i nput line reverse voltage protection to save the external diode on the supply line. The MP6517 controls the rotationa l speed through the PWM signal on the P WM pin. The MP6517 has a rotational spe ed detector feature and rotor lock faul t indication on FG/RD wit

MP6517 Datasheet, BLDC Motor Driver

MP6517   MP6517  
h an open-drain collector output. The ou tput speed versus the input duty curve can be programmed easily for flexible u se. To reduce fan driver audible noise and power loss, the MP6517 features a s oft on/off phase transition and automat ic phase-lock function of the motor win ding BEMF and current. Full protection features include input overvoltage prot ection (OVP), under-voltage lockout (UV LO), rotor deadlocked protection, therm al shutdown, and input reverse protecti on. The MP6517 requires a minimal numbe r of external components to save soluti on cost. The MP6517 is available in a T SOT23-6 package. FEATURES  Embedded Hall Sensor with High Sensitivity  Wide 3.3V to 18V Operating Input Range  Up to 1.2A Programmable Current Lim it  Integrated Power MOSFETs: Total 850mΩ (HS + LS)  Programmable Spee d Curve  Automatic Phase Lock Detect ion of Winding BEMF and Current Zero-Cr ossing  Soft On/Off Phase Transition  Rotational Speed Indicator FG Sign al  12kHz to 48kHz PWM Input Frequen cy Range  Fixed 26kHz Output Switchi ng Frequency  Input Line Reverse Vol tage Protection (RVP)  Rotor Deadloc ked Protection and Automatic Recovery Thermal Protection and Automatic Rec overy  Built-In Input OVP, UVLO, and Automatic Recovery  Available in a TSOT23-6 Package APPLICATIONS  CPU Fan for








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