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3-phase BLDC Motor Pre-driver IC for Sine Wave Current Control: TB9080FG

This figure shows a inside of TB9080FG 3-phase BLDC Motor Pre-driver for Sine Wave Current Control.

This motor driver designed to allow silent motor operation, which is increasingly required to offer a quiet cabin fro HEVs and EVs and during idling stop.

The TB9080FG drives a motor with a sine wave current to deliver smooth and quiet motor operation. Additionally, it offers automatic lead angle control to improve drive efficiency. It is recognized the target rpm of a motor from either the PWM duty signal or dc voltage. It then provides feedback control to match the actual rpm calculated from the motor's Hall signals to the target rpm.

Applications: Include air-conditioner blower motors, battery cooling fans and so on.

  • 3-phase BLDC Motor Pre-driver
  • Sine wave current drive (180-degree commutation)
  • Motor speed control circuit
  • Auto lead angle control
  • DC-DC converter
  • Comparator for Hall signal detection
  • Overcurrent / Overvoltage / Overtemperature detection
  • Motor lock detection
  • Operating supply voltage: 7 to 18 V
  • Operating temperature: -40 to +125 °C
  • Package: LQFP64-P-1010-0.5E

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