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BLDC Motor Flash MCU with Lithium Battery Charging Control

12/05/2023

New BLDC Flash MCU, the BD66FM5252, which includes full lithium battery charging control. When used in handheld charging Brushless DC motor control products, it can save the cost of a charging IC giving the product a higher level of competitiveness. In terms of motor control, this new device supports both square and sinusoidal waveform control methods and includes an enhanced sensorless filter to ensure more stable control of the ramp during startup and low speed conditions. These features make the device suitable for use in various three-phase or single-phase BLDC motor applications.

Main Features

CPU Features

  • Operating voltage
  • fSYS=32kHz ~ 20MHz: 4.5V~5.5V
  • Up to 0.2μs instruction cycle with 20MHz system clock at VDD=5V
  • Power down and wake-up functions to reduce power consumption
  • Oscillator types
  • Internal High Speed 20MHz RC – HIRC
  • Internal Low Speed 32kHz RC – LIRC
  • Internal oscillators require no external components


Peripheral Features

  • Flash Program Memory: 8K×16
  • RAM Data Memory: 2048×8
  • True EEPROM Memory: 512×8
  • In Application Programming function – IAP
  • Watchdog Timer function
Documents Tech question
Holtek BD66 FM5252 BLDC Motor Flash MCU

BLDC Motor Flash MCU with Lithium Battery Charging Control

  • Applications
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  • Documents

Applications & Markets

  • 11 Motor Control

    Motor Control

Technologies

  • 48 shutterstock 1642185091

    Motion/motor control

  • Shutterstock 1632356350

    Microcontroller, microprocessors & memory ICs

Holtek

Holtek Semiconductor is a leading professional IC design house in Taiwan having its major business activities focused in the area of microcontroller and peripheral component design.

Read more
Holtek semiconductor logo web

Documents

  • Holtek BD66 FM5252v100 Datasheet
Pexels thisisengineering 3913017

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