The KTX9312 is a motor controller IC, the third generation solution in Kinetics’ patented PURESINE™ technology family. Specifically designed for all standard sinusoidal Permanent Magnet Synchronous Motor (PMSM) 3-wire 3 phase BLDC motors, offering the unique benefits of a monolithic hybrid ASIC architecture with advanced control, monitoring, torque, speed and position detection.

The KTX9312 motor driver has built-in vector engine and bridge drivers optimized for PMSM/BLDC applications. Designed for ease of use, the KTX9312 offers simplicity in configuration with state-of-the-art control.


  • Built-in Vector Engine controller
  • Built-in 100V Gate driver
  • Sensorless Field Oriented Control
  • Sensorless Direct Torque Control
  • Initial Position Detection
  • Initial Speed Detection
  • Smart start-up method
  • 12-bit ADC converters
  • I2C interfaces
  • QFN56L 7mm x 7mm x 0.75mm


  • Brushless DC Motors (sinusoidal PMSM)
  • Home appliance and air-con fans
  • Battery Operated devices
    • Portable vacuum cleaners
    • Power Tools, etc.
  • Drones and aero modeling
  • EV non-drivetrain

Packaging Information

Package Dimensions Bumps Package Code
WQFN77-56 7.00mm x 7.00mm x 0.75mm 56 UAN


VCC VGD (Max) Bus Voltage (Max) ADC (bit) Control Interface Control Topology Operating Temperature Package
3.0~5.0V 18V 100V 12 I2C PWM Analog Sensorless FOC -40°C to 125°C WQFN77-56

Technical Documentation

Description Documents Type
Package Outline DrawingWQFN77-56 UAN PODPDF

Evaluation Tools

Documents Type
User ManualPDF
Quick Start GuidePDF
Bill of MaterialXLSX


Part Number Marking Operating Temperature Package
KTX9312GUAN-AA-TE YYWWVXXX -40°C to +125°C WQFN77-56
Purchase Options
Buy from Digi-Key
Buy from Mouser