Kinetic Technologies KTX9312 3-Phase BLDC Motor Controller IC

Kinetic Technologies KTX9312 3-Phase BLDC Motor Controller IC is a 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, the KTX9312 offers the unique benefits of a monolithic hybrid ASIC architecture with advanced control, monitoring, torque, speed, and position detection. The KTX9312 motor driver has a 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.

Features

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 package, 7mm x 7mm x 0.75mm

Applications

Brushless DC motors (sinusoidal PMSM)
Battery operated devices
- Portable vacuum cleaners
- Power tools, etc.

Home appliances and air-con fans
Drones and aero modeling
EV (non-drivetrain)

Specifications

System
- 3.0V to 5.5V operating range
- 44.7MHz to 49.3MHz master clock range
- 22.9kHz typical PWM frequency
Gate driver
- 9V to 12V operating voltage range
- 120µs typical start-up delay
- 11µA to 19.5µA RCS current range
- 1.5µs typical overcurrent blanking
-40°C to +125°C ambient operating temperature range

ESD ratings
- ±2kV human body model per ANSI/ESDA/JEDEC JS-001
- ±1.0kV charge device model per JEDEC JESD22-C101
Thermal capabilities
- 23.5°C/W thermal resistance, junction-to-ambient
- 5.31W maximum power dissipation at T_A = +25°C
- -42.5mW/°C derating factor above T_A = +25°C

Kinetic Technologies KTX9312 3-Phase BLDC Motor Controller IC

Features

Applications

Specifications

Typical Application

Functional Block Diagram

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