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State-of-the-art stepper driver with wettable flanks

 

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TRINAMIC TMC2202-WA monolithic stepper motor drivers

Trinamic’s monolithic stepper motor driver TMC2202 with integrated MOSFETs allows for optical inspection with its wettable flanks QFN package.


Hamburg, Germany - TRINAMIC Motion Control GmbH & Co. KG, a leading supplier of semiconductors, electronics and mechatronic solutions in the fields of motor and motion control, is proud to announce the arrival of the new high-performance stepper
motor driver IC with improved optical inspection capabilities.

"Automatic optical inspection (AOI) after assembly is increasingly important. While proper soldering at QFP type packages can easily be detected with a camera from above, QFN packages typically require X-Ray analysis.", explains Michael Randt, founder and CEO of Trinamic. By merging the small board space consumption of a leadless package with easily inspectable sides, the TMC2202 is our first component that comes in a wettable flanks package – where the shape of the leads generates a visible solder."


The TMC2202-WA stepper driver IC is a drop-in replacement for the A4982 and can drive motors with up to 1.2A RMS. Like all of Trinamic’s stepper motor drivers, the component offers a step resolution of up to 256 microsteps per full step to achieve perfect sinusoidal control - even in systems with a limited achievable step pulse rate. Further development of Trinamic's StealthChop technology, which was introduced two years ago, has all but eliminated motor noise at low speeds, making the precise control of stepper motors not only possible, but also affordable for applications in environments that demand absolute silence, e.g. office buildings and residential areas.


Due to the immense popularity of StealthChop technology in 3D print applications, the components have been designed for drop-in compatibility with existing 3D printer electronics. This allows for improved applications without the need for costly redesign.


The TMC2202-WA has a step/direction input for fully autonomous operation, while the easy to use UART interface allows for more tuning and control options. Once the ideal settings are found, these can be stored in OTP memory.


The components will be available at Trinamic’s distributors from end of June in a wQFN32 (5x5) wettable flanks package. To accelerate the design process, Trinamic offers complete end-to-end evaluation kits. The development boards are open-source hardware and freely available for use as a reference design.

About Trinamic

TRINAMIC Motion Control develops the world's most sophisticated technology for motion and motor control applications. Our state-of-the-art ICs, modules, and mechatronic systems enable today's software engineers to quickly and reliably develop highly precise drives that work efficiently, smoothly, and quietly. Trinamic is headquartered in Hamburg, Germany with a research center in Tallinn, Estonia, and Sales Engineers in both Chicago, IL, USA and Suzhou, China.

 

TRINAMIC Motion Control
Waterloohain 5
Hamburg 22769
Germany


Trinamic develops the world's most sophisticated technology for motion control and motor control applications. Their …
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© Content credits: Some of this page uses material from www.trinamic.com .