Melexis announces new automotive-grade fan driver ICs for small applications

Melexis US168KLD US169KLD

Ultra small size and advanced soft-switching delivers low EMI and acoustic noise operation to the smallest fan applications

Melexis announces new automotive-grade fan driver ICs for automotive and other applications where a highly reliable, ultra-small solution is needed.

Melexis - US168KLD, US169KLD

The US168KLD and US169KLD are automotive grade single-chip solutions for driving single-coil brushless DC fans and motors. As a result of their soft-switching characteristics, they ensure low levels of EMI and acoustic noise, making them ideal for in-cabin automotive applications such as sensor fans as well as other applications such as cooling fans for wireless chargers, computing, audio and multimedia.

Melexis - US168KLD, US169KLD

Configured as a full-bridge driver with the ability to drive motor currents up to 300 mA and a supply range from 1.8 V to 5 V, the devices include a highly sensitive integrated Hall effect sensor. Built-in reverse voltage, locked rotor, and thermal protection ensure that the drivers are robust, even in challenging applications.

Both devices are housed in a tiny UTDFN6 package that is just 0.4 mm tall and occupies only 3 mm2 of PCB area, making them ideal for integration in ultra-thin fans. The US168 includes a tachometer (FG) output signal and the US169 includes an alarm (RD) output signal. These fan drivers will be qualified to AEC-Q100, ensuring that they are reliable in the most stringent applications.

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