HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Product News
Automation & Motion Control
Single-Chip Motor Controller Enables Quieter, Smaller Precision Automation
12/10/2012

The cSPIN, STMicroelectronics' new single-chip motion controller, allows for the design of equipment such as robotics and industrial machines with quieter, smaller, and lighter precision movement and positioning systems, according to the company.   (Source: STMicroelectronics)
The cSPIN, STMicroelectronics’ new single-chip motion controller, allows for the design of equipment such as robotics and industrial machines with quieter, smaller, and lighter precision movement and positioning systems, according to the company.
(Source: STMicroelectronics)

Return to Article

View Comments: Oldest First|Newest First|Threaded View
Page 1/2  >  >>
naperlou
User Rank
Blogger
good integration
naperlou   12/10/2012 10:23:56 AM
NO RATINGS
Reducing the motor control function to a single chip is a great way to reduce component count.  These functions are driven by physics and a broad range of motors, thus giving flexibility, but not requiring a fully generalized solution.

Elizabeth M
User Rank
Blogger
Re: good integration
Elizabeth M   12/10/2012 1:24:53 PM
NO RATINGS
Thanks for the perspective, naperlou. It seems that "less is more" is becoming a theme in motion-control systems, as smaller yet more complex devices require more precision and less bulk. Appreciate your comment.

Cabe Atwell
User Rank
Blogger
Re: good integration
Cabe Atwell   12/10/2012 5:36:18 PM
NO RATINGS
I'd like to get my hands on a few for testing. I hope that minimum order of 1,000 is just a suggestion.

I want to build a small but high powered stepper driver, and this looks like a good option.

Is there an easy way to convert step signals from USB to parallel without CAM package restriction?

C

Charles Murray
User Rank
Blogger
Re: good integration
Charles Murray   12/10/2012 6:58:57 PM
NO RATINGS
Elizabeth, any idea what the cost differential would be between this single-chip design and a typical multi-chip design?

TJ McDermott
User Rank
Blogger
Re: good integration
TJ McDermott   12/11/2012 12:07:17 AM
NO RATINGS
Good integration is right.  The controller can be built into the stepper motor, maybe even as a plug-in option.

ttemple
User Rank
Platinum
Re: good integration
ttemple   12/11/2012 8:29:14 AM
NO RATINGS
Animatics (http://www.animatics.com/) has been building the controllers inside the end cap of stepper and servo motors for quite a few years now.  You connect a power source and a communication cable to the moter, and off you go.

tekochip
User Rank
Platinum
Re: good integration
tekochip   12/11/2012 9:26:45 AM
NO RATINGS
Good find ttemple.  Tuning a stepper controller for a particular motor can be real pain, and if you're not a EE, a plug and play solution is the way to go.
 
Just about every silicon vendor has a "motor controller" part, whether it be for BLDC motors or steppers.  What makes the difference is how quickly you can get the part to spin a motor and how much it costs to do it.  As mentioned in the article, the biggest problem is the resources required from the micro to spin the motor.  Another problem, not often addressed, is debugging.  Many of the motor controller parts do not gracefully remove the load when debugging, so that breakpoints and single-stepping can have disastrous results.  This part looks to be a very high-end solution that may not fit into smaller motor applications like those used in the gaming industry, but would really work well in medical and robotics.


BobDJr
User Rank
Gold
Re: good integration
BobDJr   12/11/2012 9:44:51 AM
NO RATINGS
Here's a link to the ST evaluation board for the L6480:

http://www.st.com/internet/evalboard/product/254209.jsp

Consultofactus
User Rank
Iron
Re: good integration
Consultofactus   12/11/2012 9:56:45 AM
NO RATINGS
Only if you can wedge the FETs or IGBTs in as well. This device drives external "6 packs".

jcdammeyer
User Rank
Silver
Not enough in one package
jcdammeyer   12/11/2012 11:23:55 AM
NO RATINGS
A useful part perhaps for some applications but what does it do that a dsPIC c/w embedded CAN port cannot?  External winding drivers are still required.  A processor that does SPI is still required.  And unless one mixes P and N channel FETs the high side needs to be 12V above the gates so external support devices and drive FETs are still needed.

What would be really useful would a be device that can microstep a motor to 1/16, have step/dir inputs and have coil drivers with 3.5A and 80V-100V rating.  There are a few devices out there that do 2.5A and 24V but exceed that voltage at your peril.

John

Page 1/2  >  >>
Partner Zone
Latest Analysis
Here's a variety of views into the complex production processes at Santa's factory. Happy Holidays!
The Beam Store from Suitable Technologies is managed by remote workers from places as diverse as New York and Sydney, Australia. Employees attend to store visitors through Beam Smart Presence Systems (SPSs) from the company. The systems combine mobility and video conferencing and allow people to communicate directly from a remote location via a screen as well as move around as if they are actually in the room.
Thanks to 3D printing, some custom-made prosthetic limbs, and a Lego set, one lucky dog and a tortoise has learned new tricks.
An MIT research team has invented what they see as a solution to the need for biodegradable 3D-printable materials made from something besides petroleum-based sources: a water-based robotic additive extrusion method that makes objects from biodegradable hydrogel composites.
With Radio Shack on the ropes, let's take a memory trip through the highlights of Radio Shack products.
More:Blogs|News
Design News Webinar Series
12/11/2014 8:00 a.m. California / 11:00 a.m. New York
12/10/2014 8:00 a.m. California / 11:00 a.m. New York
11/19/2014 11:00 a.m. California / 2:00 p.m. New York
11/6/2014 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  67


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2014 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service