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New BLDC Motor SoC MCU

01/03/2024

New Brushless DC motor control SoC Flash MCU, the BD66FM8452F. This new device integrates an MCU, an LDO, a three-phase 32V driver, a VDC bus voltage detection function and a high-voltage FG circuit. This all-in-one solution greatly simplifies the usual peripheral circuit and allows for much smaller PCBA areas, making the device suitable for use in low profile products which have small PCBA requirements. To increase system security and stability, the device provides many protection functions which include Over Current Protection, VCC Under Voltage Lock-Out, Output Short-circuit Protection and Over Temperature Protection. This device is suitable for use in three-phase BLDC motor products with voltages below 24V and power ratings below 18W, such as sweeping robot driving motors, low-wattage fans, pumps, etc.

Main Features

CPU Features:

  • Operating voltage
    - fSYS =32kHz ~ 20MHz: 4.5V~5.5
    - VM =6V~32V
  • 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 FM8452 F

New BLDC Motor SoC MCU

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Applications & Markets

  • 11 Motor Control

    Motor Control

Technologies

  • 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
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Documents

  • Holtek BD66 FM8452 Fv100 Datasheet
Pexels thisisengineering 3913017

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