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NJM3774

Part Number	NJM3774
Manufacturer	New Japan Radio
Description	DUAL STEPPER MOTOR DRIVER
Published	May 7, 2005
Detailed Description	NJM3774 DUAL STEPPER MOTOR DRIVER s GENERAL DESCRIPTION The NJM3774 is a switch-mode (chopper), constantcurrent driver w...
Datasheet	NJM3774 PDF File

Overview

NJM3774 DUAL STEPPER MOTOR DRIVER s GENERAL DESCRIPTION The NJM3774 is a switch-mode (chopper), constantcurrent driver with two channels: one for each winding of a two-phase stepper motor.
The NJM3774 is equipped with a TTL level compatible Disable input to simplify half-stepping operation.
The circuit is well suited for microstepping applications together with the matching dual DAC NJU39610.
In full/half stepping applications, the NJM3517 can be used as a phase generator (translator) to derive the necessary signals for the NJM3774.
The NJM3774 contains a clock oscillator, which is common for both driver channels, a set of comparators and flip-flops implementing the switching control, and tw...

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