STMicroelectronics Extends VIPower(TM) Portfolio with Ultra-Small and Energy-Saving Intelligent Power Switch Targeting Industrial Applications

Small-footprint device leverages ST process advantage to increase efficiency and fault protection

GENEVA, May 5 — (PRNewswire) — STMicroelectronics (NYSE: STM), a world leader in power semiconductors, has introduced an intelligent power switch (IPS) for use in industrial controls, which provides improved accuracy to minimize energy losses and prevent system errors when faults occur. These advantages are achieved using ST's latest generation VIPower™ technology, which allows a lower overload current limit than competing devices to maintain stable power conditions while the system is recovering.

By providing an integrated solution for two output channels, the VNI2140J also simplifies design, enhances reliability, and saves pc-board space in equipment such as Programmable Logic Controllers (PLCs), peripheral I/O, industrial process controls, robotic systems, vending machines, alarm and security systems, and textile machines.

This new two-channel IC is an important addition to ST's VIPower portfolio, which already includes single-, quad- and octal-channel devices.  The VNI2140J has a space-saving 6x5mm footprint and integrates all the necessary logic, driver circuitry, power stage, protection, and diagnostic functions. The chip's inputs are 3.3V TTL/CMOS compatible; its outputs are connected in the high-side configuration; and two independent resistive, inductive or capacitive loads can be driven.

The chip's built-in shorted-load protection with independent active current limitation for each channel prevents load faults from pulling down the system power supply. If either channel becomes overloaded that channel is turned off independently while the other continues operating normally, and it is restarted automatically when the junction temperature has returned to normal. If both channels are overloaded, they are restarted non-simultaneously to avoid drawing high peak currents from the power supply. Other features helping designers to deliver rugged, highly featured solutions include protection against loss of ground, as well as diagnostics such as open-load detection in the OFF state.

Technical features of the VNI2140J:

  • 9V to 36V supply voltage
  • 0.08 Ohms RDS(ON) for high efficiency in normal operation
  • Nominal current of 0.5A per channel
  • Output current limit is greater than 1A per channel
  • Fast demagnetization of inductive loads
  • Conforms to IEC 61131-2 for programmable controllers

The VNI2140J is in mass production in the PowerSSO-12™ package, priced at $1.50 for quantities of 100 pieces. Further pricing options are available for larger quantities.

About STMicroelectronics

STMicroelectronics is a global leader serving customers across the spectrum of electronics applications with innovative semiconductor solutions. ST aims to be the undisputed leader in multimedia convergence and power applications leveraging its vast array of technologies, design expertise and combination of intellectual property portfolio, strategic partnerships and manufacturing strength. In 2009, the Company's net revenues were $8.51 billion. Further information on ST can be found at www.st.com

SOURCE STMicroelectronics

Contact:
STMicroelectronics
Michael Markowitz of STMicroelectronics
Phone: +1-781-591-0354
Email Contact
Web: http://www.st.com




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