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MP6538 - BLDC Motor Pre-Driver

Description

The MP6538 is a gate driver IC designed for three-phase, brushless DC motor driver applications.

The MP6538 is capable of driving three half-bridges consisting of six N-channel power MOSFETs up to 100V.

The MP6538 uses bootstrap capacitor to generate a supply voltage for the high-side MOSFET driver.

Features

  • include programmable over-current protection (OCP), adjustable deadtime control, under-voltage lockout (UVLO), and thermal shutdown. The MP6538 has three hall-sensor inputs. Commutation logic is determined by three Hall element inputs spaced at 120°. The PWM, DIR, and nBRAKE inputs are used to control motor speed, position, and torque. The MP6538 is available in a QFN-28 (4mmx5mm) package with an exposed thermal pad.

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Full PDF Text Transcription

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The Future of Analog IC Technology DESCRIPTION The MP6538 is a gate driver IC designed for three-phase, brushless DC motor driver applications. The MP6538 is capable of driving three half-bridges consisting of six N-channel power MOSFETs up to 100V. The MP6538 uses bootstrap capacitor to generate a supply voltage for the high-side MOSFET driver. An internal charge pump maintains the high-side gate driver if the output is held high for an extended period of time. Full protection features include programmable over-current protection (OCP), adjustable deadtime control, under-voltage lockout (UVLO), and thermal shutdown. The MP6538 has three hall-sensor inputs. Commutation logic is determined by three Hall element inputs spaced at 120°.
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