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LB1847

Part Number	LB1847
Manufacturer	Sanyo
Description	PWM Current Control Type Stepping Motor Driver
Published	Apr 25, 2005
Detailed Description	Ordering number : EN5982 LB1847 Monolithic Digital IC LB1847 PWM Current Control Type Stepping Motor Driver Overview ...
Datasheet	LB1847 PDF File

Overview

Ordering number : EN5982 LB1847 Monolithic Digital IC LB1847 PWM Current Control Type Stepping Motor Driver Overview The LB1847 is a driver IC for stepping motors with PWM current control bipolar drive (fixed OFF time).
A special feature of this IC is that VREF voltage is constant while the current can be set in 15 steps, allowing drive of motors ranging from 12 phase exciter types to 4W 1-2 phase exciter types.
The current decay pattern can also be selected (SLOW DECAY, FAST DECAY, MIX DECAY) to increase the decay of regenerative current at chopping OFF, thereby improving response characteristics.
This is especially useful for carriage and paper feed stepping motors in printers and simil...

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