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LS7561N Datasheet BRUSHLESS DC MOTOR CONTROLLER

Manufacturer: LSI Computer Systems

Download the LS7561N datasheet PDF. This datasheet also includes the LS7560N variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LS7560N-LSIComputerSystems.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number LS7561N
Manufacturer LSI Computer Systems
File Size 376.66 KB
Description BRUSHLESS DC MOTOR CONTROLLER
Download LS7561N Download (PDF)

General Description

The LS7560N/LS7561N are designed to control three or four phase brushless DC motors in a closed or open loop configuration.

The IC consists of a decoder which provides proper commutation sequencing, a frequency-to-pulse width converter and error amplifier for closed loop motor speed control, a PWM comparator and sawtooth oscillator for external driver power control and a 6V reference generator for supplying power to motor sensors.

Also included is Fault detection and indic

Overview

LSI/CSI LS7560N LS7561N U® L LSI Computer Systems, Inc.

1235 Walt Whitman Road, Melville, NY 11747 (631) 271-0400 FAX (631) 271-0405 A3800 BRUSHLESS DC MOTOR CONTROLLER April.

Key Features

  • Open loop motor control.
  • Tachometer output for closed loop motor control.
  • Error Amplifier and PWM Speed Comparator with full accessibility.
  • High noise immunity Schmitt Triggers on Sensor inputs.
  • 5.5V Reference Supply for external sensors.
  • Cycle-by-cycle current sensing.
  • Static, or current limited dynamic, motor braking.
  • Output enable delay on speed direction reversal.
  • Enable input with fault sensing capability.

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