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LB1847 Datasheet PDF

Part Series:
LB1847 Series
Category:
Motor Drivers
Description:
PWM Current Control Type Stepper Motor Driver, PDIP30 / DIP30SD (400 mil), 20-FNFLD
Updated Time: 2023/09/27 08:47:34 (UTC + 8)

LB1847 Motor Drivers Datasheet PDF

#1
LB1847-E

LB1847-E

Datasheet PDF (15 Pages)
1.5
ON Semiconductor

LB1847-E - ON Semiconductor Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
28 Pin
Case/Package
DIP-28
Output Voltage
1.2 V
Output Current
1.5 A
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LB1847-E - ON Semiconductor Function Overview

The LB1847 is a driver IC for stepper 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 1-2 phase exciter types to 4W 1-2 phase exceiter 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 expecially useful for carriage and paper feed stepping motors in pricinters and similar applications where high-precision control and low vibrations are required.
Features
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PWM current control (fixed OFF time)
Load current digital selector
Selectable current decay pattern
Simultaneous ON prevention function
Noise canceller
built-in thermal shutdown circuit
built-in logic low-voltage OFF circuit
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