The MP6652 is a single-phase brushless DC (BLDC) motor driver with integrated power MOSFETs and a Hall-effect sensor. It drives a single-phase BLDC fan motor, with a 3V to 18V input voltage (VIN) range.
The device controls the rotational speed via the pulse-width modulation (PWM) signal on the PWM pin. It also features a built-in, configurable speed curve function that is ideal for cooling fan applications, which require flexible speed curve control.
The MP6652 provides rotational speed detection. The rotational speed detector (the FG/RD pin) is an open-drain output. It outputs a high or low voltage relative to the internal Hall comparator’s output. Higher speeds produce higher frequency signals.
Full protection features include input over-voltage protection (OVP), under-voltage lockout (UVLO) protection, locked rotor protection, and thermal shutdown.
The MP6652 is available in TSOT23-6-SL and TSOT23-6-L packages.
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