Monolithic Power Systems (MPS) MP6539B 100V 3-Phase BLDC Motor Pre-Driver
Monolithic Power Systems (MPS) MP6539B 100V 3-Phase BLDC Motor Pre-Driver is capable of driving three half-bridges consisting of six N-channel power MOSFETs up to 100V. The MP6539B uses a bootstrap capacitor to generate a supply voltage for the high-side MOSFET driver. An internal charge pump maintains the high-side gate drive if the output is held high for an extended amount of time. Internal safety features include shoot-through protection, adjustable dead-time control, under-voltage lockout (UVLO), and thermal shutdown. The MP6539B is similar to the MP6539. It does not implement auto bootstrap charging, does not include over-current protection, and is powered only from the VDD pin (VIN and LDO have been removed). The MP6539B is available in TSSOP-28 (9.7mmx6.4mm) and QFN-28 (4mmx5mm) packages with an exposed thermal pad.
Features
Supports 100V Operation120V VBST Maximum VoltageIntegrated Current-Sense AmplifierLow-Power Sleep Mode for Battery-Powered ApplicationsAdjustable Dead-Time Control to Prevent Shoot-Through
Applications
Three-Phase Brushless DC Motors and Permanent Magnet Synchronous Motors
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