Shhhhhhh – meeting the demand for minimal noise

Posted By : Joe Bush
Shhhhhhh – meeting the demand for minimal noise

A 3-phase brushless motor driver IC has been introduced by Toshiba Electronics Europe. The TC78B016FTG achieves high efficiency and minimal noise at a wide range of rotational speeds without any need for complicated phase adjustment, making it well suited for use in the small fan motors found in home appliances and industrial equipment.

There is increased demand for home appliances and industrial equipment that provide strong energy efficiency with minimal noise generation. As such the use of inverters for fan motor control is more widespread than ever. Conventionally, improving the high efficiency of existing products requires phase adjustment of the motor voltage and the motor current to each fan motor.

Maintaining high efficiency over a wide rotational speed range (from almost zero rotations per minute (rpm) at start-up to high speeds of several 1,000rpm) takes time and requires many parts for phase adjustment.

This new IC makes use of Toshiba’s latest control technology, which automatically adjusts the phase of the motor voltage and the motor current. It achieves a drive equal in efficiency to an MCU control system across a range of rotational speeds. Also, since automatic phase adjustment is secured with a simple configuration, development times are shortened by removing the need to create software and adjust the characteristics of the MCU.

The TC78B016FTG is housed in a compact WQFN36 package, measuring just 5mm x 5mm x 0.8mm.


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