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PT2434 - 3-Phase Sensorless BLDC Motor Controller

General Description

The PT2434 is a three-phase, sensor-less, brushless DC motor control chip.

System operating voltage depends on the VM (motor voltage), from 12V to 400Vdc.

On-chip LDO can provide 5V voltage for logic and analog circuits operation.

Key Features

  • Sensor-less control for 3-phase BLDC.
  • Current limit function.
  • Over temperature protection from external NTC.
  • Motor lock protection.
  • Reverse function.
  • PWM or DC input for speed control.

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Datasheet Details

Part number PT2434
Manufacturer PTC
File Size 769.08 KB
Description 3-Phase Sensorless BLDC Motor Controller
Datasheet download datasheet PT2434 Datasheet

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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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Preliminary PT2434 3-Phase Sensorless BLDC Motor Controller DESCRIPTION The PT2434 is a three-phase, sensor-less, brushless DC motor control chip. System operating voltage depends on the VM (motor voltage), from 12V to 400Vdc. On-chip LDO can provide 5V voltage for logic and analog circuits operation. The three-phase sensor-less control is based on trapezoid wave, and additional soft-switching scheme is designed for reducing electrical audible noise in motor phase commutation. To combine with an external high voltage gate driver and six n-channel MOSFETs, PT2434 can operate high voltage motor up to 400V. On the 12V to 36V operation, it is easy to setup with simple level-shift circuit and combined with external PN MOSFETs.