LB1847 Datasheet (Sanyo) - PWM Current Control Type Stepping Motor Driver

LB1847, PWM Current Control Type Stepping Motor Driver

Sets the OFF time for FAST mode and SLOW mode in MIX DECAY Setting input range: 4V to 1.5V Output set current reference supply pin Setting voltage range: 0V to 3V Output OFF time setting pin for switching operation CR1 CR2 E1 E2 DECAY1 DECAY2 Pin for controlling the set current with sensing resist

LB1847 Features

* PWM current control (fixed OFF time) Load current digital selector (1-2, W1-2, 2W1-2, 4W1-2 phase exciter drive possible) Selectable current decay pattern (SLOW DECAY, FAST DECAY, MIX DECAY) Simultaneous ON prevention function (fe