Solutions for BLDC motor applications have been increasing rapidly because of the demand for products that are smaller in size and provide high efficiency. The core of a BLDC motor design is a robust and reliable motor control circuit and a versatile MCU for a safe control algorithm. A vacuum cleaner is one of the applications that uses a BLDC motor, but can be used in other similar applications. Key building blocks of a motor control circuit include a MOSFET driver, versatile MCU, voltage regulators, a cell balancer and the battery charger.

Key Features

  • Ultra-low power MCU
  • High speed wake up time 4µs
  • Integrated 12-bit ADC with op amp and comparator
  • High accuracy cell balancer and monitor with customer programmable EEPROM


  • Vacuum cleaner
  • Small motor equipment

Block Diagram

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