PBL3771-1 Precision Stepper Motor Driver

Ericsson

Description

February 1999 PBL 3771/1 Precision Stepper Motor Driver .
The PBL 3771/1 is a switch-mode, constant-current driver IC (chopper) with two channels, one for each winding of a two-phase stepper motor.

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Datasheet Specifications

Part number: PBL3771-1
Manufacturer: Ericsson
File Size: 154.15 KB
Datasheet: PBL3771-1_Ericsson.pdf
Description: Precision Stepper Motor Driver

Features

* Dual chopper driver in a single package.
* 650 mA output current per channel.
* Close matching between channels for high microstepping accuracy.
* Selectable slow/fast current decay for improved high-speed microstepping.
* Improved low-level linearity.

Applications

* in conjunction with the matching dual DAC (Digital-to-Analog Converter) PBM 3960. 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. The PBL 3771/1 contains a clock oscillat

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PBL3771-1 Precision Stepper Motor Driver Ericsson

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