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BLDC Motor Flash MCU with Gate-Driver

03/03/2023

The BD66FM6545G is a Flash Memory 8-bit high performance RISC architecture microcontroller, which includes three groups of H-bridge gate-driver circuits for driving external high-side and low-side N-channel MOSFETs to control brushless DC motor specifically designed for brushless DC motor applications.

For memory features, the Flash Memory offers users the convenience of multi-programming features. Other memory includes an area of RAM Data Memory. By using the In Application Programming technology, users have a convenient means to directly store their measured data in the Flash Program Memory as well as having the ability to easily update their application programs.

Main Features

CPU Features:

  • Operating voltage
    - fSYS=32kHz~20MHz: 4.5V~5.5V
    - VCC=6V~40V
    - Maximum Motor Sustainable Voltage up to 48V
  • 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: 4K×16
  • RAM Data Memory: 512×8
  • In Application Programming function – IAP
  • Watchdog Timer function
  • 15 bidirectional I/O lines
Documents Tech question
Holtek BD66 FM6545 G

BLDC Motor Flash MCU with Gate-Driver

  • Applications
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Applications & Markets

  • 11 Motor Control

    Motor Control

Technologies

  • Shutterstock 1632356350

    Microcontroller, microprocessors & memory ICs

  • 48 shutterstock 1642185091

    Motion/motor control

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 FM6545 Gv100 Datasheet
Pexels thisisengineering 3913017

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