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New integrated Arm® Cortex®-M0+ Brushless DC motor control MCU, the HT32F65540G. 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 dual-shunt FOC product applications which have to fit the requirements of small area PCBs, such as air purifiers, DC floor fans, exhaust fans, duct fans and other products that need to operate in silence.
The device has an operating frequency of up to 60MHz and contains a 64KB Flash memory and an 8KB SRAM memory. For dual-shunt FOC control, the device provides three internal comparators, two operational amplifiers, two 1Msps SAR A/D converters as well as a powerful MCTM, GPTM, hardware divider and other peripheral functions.
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.
