onsemi

3-Phase Motor Driver IC

3-phase sensor-less motor driver ICs that enable low power consumption and low vibration

Image of onsemi 3-Phase Motor Driver IConsemi LB11685AV, LV8804FV and LV8805SV are 3-phase sensor-less motor driver ICs that enable low power consumption and low vibration. The Hall sensor-less drive allows reduction of the size of the overall motor drive system. These ICs are suitable for use in products that require high reliability and long life such as server and refrigerator fans.

Features
  • Three-phase, full-wave, linear drive sensor-less motor driver (LB11685AV)
  • Direct PWM three-phase sensor-less motor driver (LV8804FV & LV8805SV)
  • Built-in current limiter circuit
  • Built-in motor lock protection circuit
  • Built-in beat lock protection circuit
  • Built-in thermal shut down (TSD) circuit
  • Soft booting
  • Soft switching
Benefits
  • Hall sensor-less
  • Easy manufacturing
  • Current limit protection
  • Lock protection
  • Beat lock protection
  • Thermal protection
  • Stability at booting
  • Silent
End Products
  • Refrigerator cooling fans
  • Server fans
  • Desktop computer fans
Applications
  • Consumer segment (white goods)
  • Computing and peripherals

3-Phase Motor Driver IC

BilledeManufacturer Part NumberBeskrivelseTilgængeligt antal Pris
IC MOTOR DRIVER 6V-15V 20SSOPLV8804FV-TLM-HIC MOTOR DRIVER 6V-15V 20SSOP1500 - Immediate$23.62Vis detaljer

Evaluation Board

BilledeManufacturer Part NumberBeskrivelseTilgængeligt antal Pris
EVAL BOARD FOR LB11685AVLB11685AVGEVBEVAL BOARD FOR LB11685AV1 - Immediate$407.74Vis detaljer
EVAL BOARD FOR LV8805SVLV8805SVGEVBEVAL BOARD FOR LV8805SV0 - ImmediateSee Page for PricingVis detaljer
Published: 2012-10-22

Related Articles and Blogs

Using BLDC Hall Sensors as Position Encoders – Part 1 Some BLDC motors are equipped with three internal hall-effect sensors to provide feedback to external circuits for precise stator magnetic coil control.
New Developments in BLDC Motor Control Solutions Brushless (BLDC) motor control solutions from suppliers including Melexis, Fairchild Semiconductor and Texas Instruments.
Controlling Sensorless BLDC Motors via Back EMF The brushless DC (BLDC) motor is becoming increasingly popular because, as the name implies, it does away with the wear-prone brushes used in traditional motors, replacing them with an electronic controller that improves the reliability of the unit.

Related Product Training Modules

Motor Driver in White Goods Applications Discover how onsemi motor drivers are used in white good applications.