MAS9012 데이터 시트보기 (PDF) - Micro Analog systems

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MAS9012

Stepper Motor Driver IC

Micro Analog systems 

DA9012.001

25 August 2004

MAS9012

Stepper Motor Driver IC

• Supports Microstepping Movement

• Capable to Drive One to Four Motors

• Low Operating Voltage

DESCRIPTION

MAS9012 is a Miniature Stepper Motor Driver IC

with four different versions to drive one to four

motors of pointers in motorcycle and car

dashboards and other similar applications. It

features a microstepping function to allow smooth

movement of the motor shaft. One microstep

corresponds to an angular rotation of 1/12 degree

FEATURES

• Bipolar Stepper Motor Driver Outputs

• Drives One to Four Stepper Motors

• Microstepping Function

• Glitch Filters at All Inputs

• Low Operating Voltage

• TSSOP-16 and TSSOP-28 Packages

of the motor shaft. The actual precision of the

position is affected by the gear play of the motor.

The microstepping movement of the motor shaft is

achieved by converting a pulse sequence into a

current level sequence sent to the stepper motor

coils.

APPLICATIONS

• Motorcycle Dashboards

• Car Dashboards

• Nautical Instrumentation

• Miniature Stepper Motors in Appliances

1 (12)

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