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LB1978V - Three-Phase Half-Wave Sensorless Motor Driver

Description

Pin function Oscillator and ripple suppression pin.

The higher the capacitance connected to FG, the more effectively will ripple components be suppressed.

Startup pulse cycle and drive switching cycle setting pin.

Features

  • Three-phase sensorless motor driver.
  • Built-in speed control.
  • Built-in reference voltage and forward/reverse switching pin.
  • Soft switching.
  • Built-in short brake drive pin Package Dimensions unit: mm 3191-SSOP30 [LB1978V] 30 16 5.6 1.0 1 15 0.15 9.95 0.22 0.65 0.43 0.1 1.6max SANYO : SSOP30 Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Maximum supply voltage Output transistor withstand voltage Maximum output current Allowable pow.

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Full PDF Text Transcription

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Ordering number : EN6186 LB1978V Monolithic Digital IC LB1978V Three-Phase Half-Wave Sensorless Motor Driver for Headphone Stereos Functions and Features • Three-phase sensorless motor driver • Built-in speed control • Built-in reference voltage and forward/reverse switching pin • Soft switching • Built-in short brake drive pin Package Dimensions unit: mm 3191-SSOP30 [LB1978V] 30 16 5.6 1.0 1 15 0.15 9.95 0.22 0.65 0.43 0.1 1.6max SANYO : SSOP30 Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Maximum supply voltage Output transistor withstand voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol Vcc max Vsus Io max Pd max Topr Tstg Conditions Ratings 2.0 4 0.6 0.
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