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Description
2-Phase Stepper Motor Unipolar Driver Ics2
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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 (PMCMsTM) 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 differ primarily 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 networks. 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
● 3rd 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
Preview of the first 3 pages of the data sheet
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10000 buyer reviews from United States
Daniel Moore
Length of registration:7 years
I recently purchased the SLA7026M integrated circuit from Utsource and I am very pleased with the product. The circuit was well packaged and arrived quickly. After testing the circuit, I found it to be of excellent quality and it worked perfectly. I am very satisfied with the performance of the SLA7026M and would highly recommend it to anyone looking for a reliable integrated circuit.
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03/17/2023
VE366236 PEDRO PENUELA
Length of registration:10 years
Very satisfied with
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11/09/2021
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SLA7026M
SLA7026M has several brands around the world that may have alternate names for SLA7026M due to regional differences or acquisition. SLA7026M may also be known as the following names:
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