New Automation Systems Can Be Smaller, Smooth, and Silent with Advanced Motion-Control Chip from STMicroelectronics
November 27 2017 - 9:01AM
- Highest-precision tiny motor driver brings finer motion control
to laboratory automation, industrial robots, 3D printers, and other
applications
- High feature integration enhances reliability while low power
consumption satisfies energy-efficiency demands
Geneva, November 27, 2017 - The fine motor skills of
precision robots can become even more advanced using the latest
electronic innovation from STMicroelectronics (NYSE: STM), a global
semiconductor leader serving customers across the spectrum of
electronics applications.
Sophisticated, space-saving advanced laboratory-automation
systems are helping medical centers cut clinical costs and
accelerate turnaround times - to provide high-quality care for more
patients - while industrial robotics including 3D printing have
greatly enhanced accuracy and throughput in recent years. 3D
printers can produce parts with complex shapes, quickly and
accurately, and are becoming more and more affordable, for consumer
and professional uses from prototyping to production.
ST's STSPIN820 IC enables the next generations of
stepper-motor-based robots to achieve even greater smoothness and
silence, with smaller size, greater precision, and lower power
consumption. With its high-speed inputs and precise micro-stepping
algorithm, it can turn a motor by a fraction of a degree to move a
3D printer's head at a speed of more than 500mm/s, with submicron
precision to create parts very quickly and with incredible surface
finish, or control extremely precise movements like sample loading,
capping/decapping, and storage/retrieval in next-generation
clinical automation systems. Other motor-driven medical equipment
such as plate handlers, fluid pumps, blood analyzers, and
respirators can be quieter, more compact, and cost-effective.
Measuring just 4mm x 4mm, and containing both the control
intelligence and fully protected power components (rated 45V and
500mohm RDS(ON)) for driving the motor, the chip is the world's
smallest all-in-one high-precision controller. Manufacturers of
automation equipment can simply place the device on the controller
circuit board, with minimal extra parts needed to complete the
system, to save space and enhance system reliability.
The STSPIN820 can help innovators in precision automation
continue delivering improvements," said Domenico Arrigo, General
Manager, Industrial and Power Conversion Division,
STMicroelectronics. "Its high precision, small size, and low power
consumption help simplify high-accuracy motion control for many
other types of equipment, including textile and sewing machines,
surveillance equipment, cash-handling machines, office and home
automation, and point-of-sale (POS) terminals."
The STSPIN820 is in production now, packaged as a 4mm x 4mm QFN
device, and available from $1.25 for orders of 1000 pieces.
The associated STSPIN board (X-NUCLEO-IHM14A1) will be
showcased at the ST booth at SPS IPC Drives in Nuremberg, 28-30
November 2017.
Notes to Editors:
The STSPIN820 is a dedicated stepper-motor driver with
256-microstep resolution. It operates from a supply voltage between
7V and 45V, simplifying design-in for a wide range of applications.
The maximum output RMS current of 1.5A gives designers flexibility
to satisfy various power and torque requirements.
STSPIN820 delivers a superior combination of high performance
and cost-effectiveness by leveraging ST's new proprietary Smart
Power technology, which integrates motor-control logic featuring a
high-precision micro-stepping algorithm with a low-RDS(ON) fully
protected power stage in a single device. It provides familiar
step-clock and direction-input pins thereby simplifying connection
to a host processor or microcontroller.
In addition, a dedicated Standby pin allows the device to be put
in low-power mode to minimize consumption in energy-conscious
applications.
Over-current, over-temperature, and short-circuit protection are
also built in, allowing the device to withstand harsh industrial
environments, and further helping to reduce circuit complexity,
component count, and bill-of-materials costs.
About STMicroelectronics
ST is a global semiconductor leader delivering intelligent and
energy-efficient products and solutions that power the electronics
at the heart of everyday life. ST's products are found everywhere
today, and together with our customers, we are enabling smarter
driving and smarter factories, cities and homes, along with the
next generation of mobile and Internet of Things devices.
By getting more from technology to get more from life, ST stands
for life.augmented.
In 2016, the Company's net revenues were $6.97 billion, serving
more than 100,000 customers worldwide. Further information can be
found at www.st.com
For Press Information Contact:
STMicroelectronics Michael Markowitz Director of Technical Media
Relations +1 781 591 0354 michael.markowitz@st.com
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