The MPQ6532 is a gate driver IC designed for three-phase brushless DC (BLDC) motor driver applications. It is capable of driving three half-bridges, consisting of six N-channel power MOSFETs, for an input voltage (VIN) up to 60V.
The device includes a regulated charge pump that generates gate driver power, and it uses a bootstrap (BST) capacitor to generate a supply voltage for the high-side MOSFET (HS-FET) driver. An internal trickle-charge circuit maintains a sufficient HS-FET driver voltage, even while the output is operating at 100% duty cycle.
The MPQ6532 integrates 120° commutation using three Hall sensor inputs. The PWM, DIR, and nBRAKE pins control the motor speed, direction, and braking.
Internal safety features include configurable short-circuit protection (SCP), over-current protection (OCP), adjustable dead time (DT) control, under-voltage lockout (UVLO) protection, and thermal shutdown. The MPQ6532 is available in a QFN-28 (4mmx5mm) package with an exposed thermal pad, and is AEC-Q100 qualified.
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The EVQ6532-V-00A is an evaluation board designed to demonstrate the capabilities of the MPQ6532, a three-phase brushless DC (BLDC) motor pre-driver.
The MPQ6532 operates with a supply voltage of up to 60V. It is configured to drive three half-bridges, which consist of six N-channel power MOSFETs. The Hall sensors integrated in the motor provide the rotor position information, and the external controller (e.g. MCU or FPGA) generates the driving control signals.
It is recommended to read the MPQ6532 datasheet prior to making any changes to the EVQ6532-V-00A.