Application Areas

Electronic locks, fans and other DC Motor products.

Touch + BLDC drive

fully integrated touch keys, motor driver and RFID functions are provided to provide the product with a more aesthetic appearance and to ensure a more convenient design process.

Reduced components

only a minimum of external components are required to implement this solution.

 

Holtek has released a product solution which includes the advantages of both a DC motor driver and touch switch functions. This solution uses a Holtek’s BLDC driver, the HT45F4630, together with a touch MCU, the BS82C16A-3, thus making it extremely suitable for use in electric locks, fans and other similar products. Holtek provides here a practical reference solution to help users with the rapid development of such products.
Electronic locks usually need some basic control functions including motors, keys and RFID. This Holtek solution provides touch keys instead of traditional physical keys, which can provide the lock with a more aesthetic appearance while also making it easier to design, resulting in reduced costs, increased yield and an extended product lifecycle. In addition, driving a DC motor generally requires extensive peripheral circuits or an additional driver IC, however the need for this is eliminated as the HT45F4630 includes a fully integrated DC motor circuit to implement this driving function. Refer to our “Touch Electronic Locks” solution for more details.
To assist users with their rapid product development, Holtek has provided a block diagram, application circuits, PCB layout, component list and other technical information. For more details, click the file download graphic link on this page.

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