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PBL3774

Ericsson
Part Number PBL3774
Manufacturer Ericsson
Description Dual Stepper Motor Driver
Published Sep 6, 2017
Detailed Description February 1999 PBL 3774/1 Dual Stepper Motor Driver Description The PBL 3774/1 is a switch-mode (chopper), constant-cur...
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PBL3774
PBL3774

Overview
February 1999 PBL 3774/1 Dual Stepper Motor Driver Description The PBL 3774/1 is a switch-mode (chopper), constant-current driver IC with two channels, one for each winding of a two-phase stepper motor.
The circuit is similar to Ericsson´s PBL 3771/1 and PBL 3772/1.
While all Dual stepper motor drivers are optimized for microstepping applications, the PBL 3774/1 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 (Digital-to-Analog Converter) PBM 3960/1.
A complete driver system consists of these two ICs, a few passive components and a microprocessor for generation of the proper control and data codes required for microstepping.
In full/halfstepping applications, Ericsson Component’s PBD 3517/1 can be used as a phase generator (translator) to derive the necessary signals for the PBL 3774/1.
The PBL 3774/1 contains a clock oscillator, which is common ...


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