MPQ6533 3-Ch Automotive Pre-Drivers Monolithic Power Systems (MPS) MPQ6533 3-Ch Automotive Pre-Drivers are gate driver ICs that drive six N-channel power MOSFETs to drive DC motors or other loads. The MPQ6533 integrates an LDO regulator to generate gate drive voltages for the low-side MOSFETs and is intended for automotive DC motor driver applications.