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LB1895 - 3-Phase Brushless Motor Driver

Description

Pin No.

Voltage Equivalent circuit Description Supply pin that provides pre-drive voltage for the source side.

Supply pin that provides voltage for the constant current control amplifier.

Features

  • . Current linear drive . V-type control amplifier built in . Because the power supply for the bias circuit on the upper.
  • . output side is separate, output with low saturation can be attained by boosting only that power supply. (Effective when VCC = 5 V) Because current is detected on the upper side, there is no voltage loss due to the RF resistance. In addition, the RF voltage reduces the power dissipation within the IC. (Effective when VCC = 5 V) Start/Stop function built in Thermal sh.

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Other Datasheets by SANYO (now Panasonic)

Part Number Description
LB1895D 3-Phase Brushless Motor Driver
LB1890M FDD Spindle Motor Driver
LB1893 3-Phase Brushless Motor Driver
LB1894M 3-Phase Brushless Motor Driver
LB1896 3-phase Brushless Motor Driver

Full PDF Text Transcription

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Ordering number: EN5634 Monolithic Digital IC LB1895, 1895D 3-Phase Brushless Motor Driver for CD-ROM Spindle Motors Overview The LB1895 and LB1895D are 3-phase brushless motor drivers for use in CD-ROM spindle motors. Package Dimensions unit : mm 3222-HSOP28 [LB1895] Functions and Features . Current linear drive . V-type control amplifier built in . Because the power supply for the bias circuit on the upper . . . . . . output side is separate, output with low saturation can be attained by boosting only that power supply. (Effective when VCC = 5 V) Because current is detected on the upper side, there is no voltage loss due to the RF resistance. In addition, the RF voltage reduces the power dissipation within the IC.
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