BLDC speed controller with I²C bus
The Microchip Technology TC664EUN is a brushless DC (BLDC) motor speed controller that integrates an I²C interface for digital speed command and monitoring — a step up from open-loop PWM fan drivers that lack feedback. It drives low-side pre-driver outputs, so the external FETs handle the commutation while the controller manages speed regulation via the I²C bus.
Temperature grade and package fit
Housed in a 10-MSOP (3.00 mm width) surface-mount package, the footprint matches standard 0.50 mm pitch MSOP-10 land patterns. Supplied in Tube — design-in quantities for prototype or low-volume builds; reels available on request.