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BD7763EFV - System Motor Driver

Description

BD7763EFV are 9ch system motor driver ICs, developed for the spindle motor, actuator coil, stepping motor, SA stepping motor and the loading motor drive of the Blu-ray drive.

Features

  • The hall sensor is not needed by 3-phase sensor less drive system.
  • The spindle motor driver achieves stability high speed start by ROHM's own energizing method.
  • Spindle, stepping and SA stepping achieve high efficiency drive by PWM control driver. The actua.

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Datasheet Details

Part number BD7763EFV
Manufacturer ROHM
File Size 671.82 KB
Description System Motor Driver
Datasheet download datasheet BD7763EFV Datasheet

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Full PDF Text Transcription

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System LSIs for Blu-ray Drive System Motor Driver IC for Half Height Drive(Sensor less) BD7763EFV General Description BD7763EFV are 9ch system motor driver ICs, developed for the spindle motor, actuator coil, stepping motor, SA stepping motor and the loading motor drive of the Blu-ray drive. Since spindle driver adopts sensor less drive system and the hall sensor (3 pieces) of the motor position detection is not needed, it is suitable for making of flexible cable conserve wiring and the reductions of external parts. The actuator, loading driver, the spindle, stepping, and SA stepping use power MOSFET to reduce power consumption. Package(s) HTSSOP-B54 18.5mm x 9.5mm x 1.0mm Applications  For Blu-ray drive Features  The hall sensor is not needed by 3-phase sensor less drive system.
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