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LV8811G - 3-phase BLDC motor driver

General Description

V-phase output pin U-phase output pin Inverter power supply and Motor current sense resistor pin Motor Current Sense Power supply pin Internal regulator output pin Lead-angle adjustment pin 1 Lead-angle adjustment pin 2 Speed reference input PWM pin Motor speed feedback output pin Hall sensor input

Key Features

  • 3-phase full wave (sinusoidal) drive.
  • Any practical combination of slot and pole can be handled. (e. g. 3S3P, 3S4P, 6S4P, 6S8P, 12S8P, 9S12P and so on).
  • built-in power FETs (P-MOS/N-MOS).
  • Speed control function by direct PWM or DC voltage input.
  • Minimum input PWM duty cycle can be configured by voltage input.
  • Soft start-up function and soft shutdown function.
  • Soft PWM duty cycle transitions.
  • Built-in current limit circuit an.

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Datasheet Details

Part number LV8811G
Manufacturer onsemi
File Size 1.95 MB
Description 3-phase BLDC motor driver
Datasheet download datasheet LV8811G Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LV8811G, LV8813G Advance Information Motor Driver, 3-Phase, PWM, Full-Wave, BLDC Overview The LV8811G / LV8813G is a 3-phase BLDC motor driver which is controlled by single Hall sensor. A 180 degrees sinusoidal driving method is adopted and the IC can control motor with low vibration and the low noise. In addition, lead-angle adjustment is possible by an external pin. Lead-angle value and lead-angle slant can be adjusted independently. Thus, the device can be driven by high efficiency and low noise with various motors. The power element to drive a motor is built-in and contributes to high efficiency by low on resistance (0.5 Ω). The Hall sensor bias driver is equipped, and a Hall IC is supported as well.