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KA2822D - 3-Phase BLDC Motor Driver

General Description

The KA2822D is a monolithic integrated circuit, and suitable for the three-phase spindle motor driver of FDD system.

3.5-inch floppy disk drive (FDD) spildle motor Other 3-phase BLDC motor Ordering Information Device KA2822D KA2822BD Package 28

Key Features

  • 3-phase, full-wave, linear BLDC motor driver with 2 hall sensors.
  • Built-in soft switching drive circuit.
  • 300 or 360 RPM speed control.
  • Snubberless.
  • Built-in chip enable function.
  • Built-in digital speed control circuit.
  • Built-in current limit circuit.
  • Index sensorless.
  • Built-in TSD (Thermal shutdown).
  • Low saturation voltage.
  • Digital input: TTL, 5V CMOS compatible.
  • Built-in current-mode con.

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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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www.fairchildsemi.com KA2822D 3-Phase BLDC Motor Driver Features • 3-phase, full-wave, linear BLDC motor driver with 2 hall sensors • Built-in soft switching drive circuit • 300 or 360 RPM speed control • Snubberless • Built-in chip enable function • Built-in digital speed control circuit • Built-in current limit circuit • Index sensorless • Built-in TSD (Thermal shutdown) • Low saturation voltage • Digital input: TTL, 5V CMOS compatible • Built-in current-mode control circuit (IPEAK: 1A) Description The KA2822D is a monolithic integrated circuit, and suitable for the three-phase spindle motor driver of FDD system. 28-SSOPH-375 Typical Application • 3.