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TB6575FNG - PWM Sensorless Controller

Datasheet Summary

Description

The TB6575FNG provides sensorless commutation and PWM current control for 3-phase full-wave BLDC motors.

It controls rotation speed by changing a PWM duty cycle by analog voltage.

2.

Features

  • Weight: 0.14 g (Typ. ).
  • 3-phase full-wave sensorless drive.
  • PWM chopper drive.
  • PWM duty cycle control by analog input.
  • 20-mA current sink capability on PWM output pins.
  • Overcurrent protection.
  • Forward/reverse rotation.
  • Lead angle control (7.5 ° and 15 °).
  • Overlap commutation.
  • Rotation speed sensing signal.
  • DC excitation mode to improve startup characteristic.
  • DC excitation time and forced commutation time for startup operation can be change.

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Datasheet Details

Part number TB6575FNG
Manufacturer Toshiba Semiconductor
File Size 458.20 KB
Description PWM Sensorless Controller
Datasheet download datasheet TB6575FNG Datasheet
Additional preview pages of the TB6575FNG datasheet.

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Full PDF Text Transcription

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TOSHIBA CMOS Integrated Circuit Silicon Monolithic TB6575FNG PWM Sensorless Controller for 3-Phase Full-Wave BLDC Motors 1. Description The TB6575FNG provides sensorless commutation and PWM current control for 3-phase full-wave BLDC motors. It controls rotation speed by changing a PWM duty cycle by analog voltage. TB6575FNG 2. Features Weight: 0.14 g (Typ.) ● 3-phase full-wave sensorless drive ● PWM chopper drive ● PWM duty cycle control by analog input ● 20-mA current sink capability on PWM output pins ● Overcurrent protection ● Forward/reverse rotation ● Lead angle control (7.5 ° and 15 °) ● Overlap commutation ● Rotation speed sensing signal ● DC excitation mode to improve startup characteristic ● DC excitation time and forced commutation time for startup operation can be changed.
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