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LB1674V - Brushless / Sensorless Motor Driver

Description

Unit (resistance: Ω) Pin Number 1 3 23 Pin Name V W U Equivalent Circuit Description c Motor coil connection pins 2 22 24 DW DU DV c Power transistor base pins 4 5 GND OSC c Power and signal ground c Starting pulse period set pin 6 COM c Start-up waveform detection circuit offset set p

Features

  • c c c c c 3-phase unipolar, brushless, sensorless motor driver Reverse function Built-in speed control function (V servo) Built-in reference voltage (0.5 V) Soft switching driver SANYO : SSOP24 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 Im max Pd max Topr Tstg Tj = 125°C Conditions Ratings 5 10 0.6 0.4 0.

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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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Ordering number: EN4392A Monolithic Digital IC LB1674V Brushless, Sensorless Motor Driver Overview The LB1674V is a small motor driver ideal for mini-cassettes, headphone stereos and micro-cassettes. Package Dimensions unit : mm 3175A-SSOP24 [LB1674V] Functions and Features c c c c c 3-phase unipolar, brushless, sensorless motor driver Reverse function Built-in speed control function (V servo) Built-in reference voltage (0.5 V) Soft switching driver SANYO : SSOP24 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 Im max Pd max Topr Tstg Tj = 125°C Conditions Ratings 5 10 0.6 0.
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