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1-shunt FOC BLDC SoC MCU

10/06/2022

New integrated Arm® Cortex®-M0+ Brushless DC motor control MCU, the HT32F65532G. By combining a 32-bit microcontroller, an LDO and a three-phase 48V gate-driver into a single chip, this device forms an extremely suitable solution for single-shunt FOC and sensor-less square wave motor control product applications which have to fit the requirements of small area PCBs. Applicable products include handheld vacuum cleaners, low voltage ceiling fans, electric scooters, electric bicycles, pumps and fans, etc.

The device has an operating frequency of up to 60MHz and contains a 32KB Flash memory and a 4KB SRAM memory. For single-shunt FOC control, the device provides two internal comparators, an operational amplifier, a 2Msps SAR A/D converter as well as a powerful MCTM, GPTM, hardware divider and other peripheral functions. The device also includes a filter which can be used for sensor-less square wave control to execute a more stable startup. Additionally, there are a range of communication interfaces including UART, USART, I²C and SPI, which can be combined with the 6-channel PDMA and CRC-16/32 to improve communication response and security.

The device is available in 32-pin QFN (4×4) and 48-pin LQFP-EP package types with up to 28 GPIOs.

Main Features

Core:

  • 32-bit Arm® Cortex®-M0+ processor core
  • Up to 60 MHz operating frequency
  • Single-cycle multiplication
  • Integrated Nested Vectored Interrupt Controller (NVIC)
  • 24-bit SysTick timer


On-Chip Memory:

  • 32 KB on-chip Flash memory for instruction/data and options storage
  • 4 KB on-chip SRAM
  • Supports multiple booting modes

Flash Memory Controller – FMC:

  • Flash accelerator to obtain maximum efficiency
  • 32-bit word programming with In System Programming Interface (ISP) and In Application Programming (IAP)
  • Flash protection capability to prevent illegal access
Documents Tech question
Holtek HT32 F65532 G

1-shunt FOC BLDC SoC MCU

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Applications & Markets

  • 27 White Goods Home Appliances

    White Goods & Home Appliances

  • 23 E mobility

    E-Mobility

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
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Documents

  • Holtek HT32 F65532 G Datasheetv100
Pexels thisisengineering 3913017

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