LB1674V Datasheet - Sanyo

LB1674V Brushless / Sensorless Motor Driver

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.

LB1674V 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

LB1674V_SanyoSemiconDevice.pdf