LB1674V - Brushless / Sensorless Motor Driver

Sanyo

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Datasheet Details

Part number	LB1674V
Manufacturer	Sanyo
File Size	240.47 KB
Description	Brushless / Sensorless Motor Driver
Datasheet	LB1674V_SanyoSemiconDevice.pdf

LB1674V Product details

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 pin 7 DR c Drive direction switch pin (normally low) 8 Vref c Reference voltage pin (0.5 V) 9 START c Start/stop control pin.Active-high 10 Vsp c Speed signal (motor induction voltage) det

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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Published: Apr 25, 2005 |