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SAA1027

Philips
Part Number SAA1027
Manufacturer Philips
Description STEPPER MOTOR DRIVER
Published May 12, 2005
Detailed Description SAA1027 II II STEPPER MOTOR DRIVE CIRCUIT The SAA1027 is intended for driving a four phase two stator stepper motor. T...
Datasheet PDF File SAA1027 PDF File

SAA1027
SAA1027

Overview
SAA1027 II II STEPPER MOTOR DRIVE CIRCUIT The SAA1027 is intended for driving a four phase two stator stepper motor.
The circuit consists of four output stage's, a logic part and three input stages.
The logic part is driven by three input stages; a trigger input stage, an input stage which can change the switching sequence of the logic part so that the motor can rotate clock wise (CW) or counter clock wise (CCW) and a set input stage to set the four output stages.
The three inputs are compatible with high noise immunity logic to ensure proper operation, even in noisy environments.
The output can deliver 350 rnA in each phase.
The right switching sequence of the four phases is obtained from the logic 'Part of the circuit.
Integrated diodes protect the outputs against transient spikes.
QUICK REFERENCE DATA Supply voltage Load current (each output) Logic for CW and CCW operation Vp 9,5 to 18 V Iq max.
350 rnA PACKAGE OUTLINE '16 lead plastic power dual in-line (see page 9) -- Dec...


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