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NJM3777

Part Number	NJM3777
Manufacturer	New Japan Radio
Description	DUAL STEPPER MOTOR DRIVER
Published	May 7, 2005
Detailed Description	NJM3777 DUAL STEPPER MOTOR DRIVER s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJM3777 is a switch-mode (chopper), consta...
Datasheet	NJM3777 PDF File

Overview

NJM3777 DUAL STEPPER MOTOR DRIVER s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJM3777 is a switch-mode (chopper), constant-current driver with two channels: one for each winding of a two-phase stepper motor.
The NJM3777 is equipped with a Disable input to simplify half-stepping operation.
The NJM3777 contains a clock oscillator, which is common for both driver channels, a set of comparators and flip-flops implementing the switching control, and two output H-bridges, including recirculation NJM3777E3 diodes.
Voltage supply requirements are + 5 V for logic and + 10 to + 45 V for the motor.
Maximum output current is 900mA per channel.
s FEATURES • Dual chopper driver • 900 mA continuous output...

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