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SMA7029M Datasheet (PDF) - Allegro MicroSystems

SMA7029M Datasheet PDF - Allegro MicroSystems
Part # SMA7029M
Download  SMA7029M Download
File Size   137.4 Kbytes
Page   12 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description HIGH-CURRENT PWM, UNIPOLAR STEPPER MOTOR CONTROLLER/DRIVERS

SMA7029M Datasheet (PDF)

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SMA7029M Datasheet PDF - Allegro MicroSystems

Part # SMA7029M
Download  SMA7029M Click to download

File Size   137.4 Kbytes
Page   12 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description HIGH-CURRENT PWM, UNIPOLAR STEPPER MOTOR CONTROLLER/DRIVERS

SMA7029M Datasheet (HTML) - Allegro MicroSystems


SMA7029M Product details

The SLA7024M, SLA7026M, and SMA7029M are designed for high-efficiency and high-performance operation of 2-phase, unipolar stepper motors. An automated, innovative packaging technology combined with power FETs and monolithic logic/control circuitry advances power multi-chip modules (PMCMs™) toward the complete integration of motion control. Highly automated manufacturing techniques provide low-cost and exceptionally reliable PMCMs suitable for controlling and directly driving a broad range of 2-phase, unipolar stepper motors. The three stepper motor multi-chip modules differprimarily in output current ratings (1.5 A or 3.0 A) and package style.
All three PMCMs are rated for an absolute maximum limit of 46 V and utilize advanced NMOS FETs for the high-current, high-voltage driver outputs. The avalanche-rated (≥100 V) FETs provide excellent ON resistance, improved body diodes, and very-fast switching. The multi-chip ratings and performance afford significant benefits and advantages for stepper drives when compared to the higher dissipation and slower switching speeds associated with bipolar transistors. Normally, heat sinks are not required for the SLA7024M or SMA7029M. The SLA7026M, in demanding, higher-current systems designs, necessitates suitable heat transfer methods for reliable operation.
Complete applications information is given on the following pages. PWM current is regulated by appropriately choosing current-sensing resistors, a voltage reference, a voltage divider, and RC timing net works. The RC components limit the OFF interval and control current decay. Inputs are compatible with 5 V logic and microprocessors.

BENEFITS AND FEATURES
■ Cost-Effective, Multi-Chip Solution
■ ‘Turn-Key’ Motion-Control Module
■ Motor Operation to 3 A and 46 V
■ 3 rd Generation High-Voltage FETs
■ 100 V, Avalanche-Rated NMOS
■ Low rDS(on) NMOS Outputs
■ Advanced, Improved Body Diodes
■ Single-Supply Motor/Module
   Operation
■ Half- or Full-Step Unipolar Drive
■ High-Efficiency, High-Speed PWM
■ Dual PWM Current Control (2-Phase)
■ Programmable PWM Current Control
■ Low Component Count PWM Drive
■ Low Internal Power Dissipation
■ Heat Sinking (Normally) Unnecessary
■ Electrically Isolated Power Tab
■ Logic IC- and µP-Compatible Inputs
■ Machine-Insertable Package




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About Allegro MicroSystems


Allegro MicroSystems is a semiconductor company that designs, manufactures, and markets high-performance power and sensing solutions. The company was founded in 1990 and is headquartered in Manchester, New Hampshire, USA.

Allegro MicroSystems' product portfolio includes Hall-effect sensors, power ICs, motor drivers, and magnetic digital position sensors. These products are used in a wide range of applications, including automotive, industrial, and consumer electronics.

Allegro MicroSystems is known for its expertise in magnetic sensing technology, which is used in many of its products. The company's products are designed to meet the highest standards of performance and reliability, and are manufactured using the latest technology and materials. Allegro MicroSystems also offers custom design and engineering services to meet the specific needs of its customers.

Allegro MicroSystems has a global presence, with sales offices and representatives located around the world. The company is dedicated to delivering innovative and reliable power and sensing solutions that meet the evolving needs of the electronics industry. In 2021, Allegro MicroSystems went public through an initial public offering (IPO) on the NASDAQ stock exchange.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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