First IBM Technology for Power-Management Chips Holds Promise for Breakthroughs in Alternative Energy

ARMONK, N.Y., Sept. 16 /PRNewswire/ -- IBM (NYSE: IBM) today announced innovative new chip-making technology for power-management semiconductors – the company's first foray into a segment seen as critical to the development of alternative energy sources, smart buildings and new consumer devices.

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IBM's process integrates wireless communications into a single power-management chip, a first that can cut production costs (about 20%) to allow chip designers and manufacturers to create a new class of semiconductors – ultra-small and affordable chips that control power usage while they communicate in real-time with systems used to monitor "smart" buildings, energy grids and transportation systems.

The main function of power-management chips is to optimize power usage and serve as bridges so electricity can flow uninterrupted among systems and electronics that require varying levels of current. They are key components used in solar panels, for example, and widely used in all industrial segments – automobiles, consumer electronics (digital televisions) and mobile communications (mobile phones).

By using the same chip-making process employed in computers and smart phones, CMOS-7HV can lower the costs of producing these chips while at the same time allowing for the integration of an unprecedented number of new functions – resulting in one chip where previously three or four were needed. Such advancements are critical to the rollout of smart systems where the ubiquity of cheap, single-chip sensors depends on affordable manufacturing technology.  

The market for power-management (PM) semiconductors is about $31 billion in 2010, up a sizable 40 percent from 2009 and on track to double by 2014, according to iSuppli.(1) Fresh demand from alternative energy and consumer electronics manufacturers is driving much of the demand, although any device with a power supply, battery or power cord uses a power-management chip. Devices with power supplies are especially heavy users of electricity, drawing more than half of the global $30 billion power market through their wiring annually – 60% of it wasted, leaked, costing consumers $10 billion a year.(2) New semiconductor manufacturing technologies such as CMOS-7HV can help electronics makers sew up power leakages that will enable the use of smaller more powerful batteries.  

Wispry, Irvine Calif., is a leading provider of wireless chips found in such devices as smart phones.  "IBM's process pushes us closer to the holy grail of wireless -- connect any where, at any time," said Jeff Hilbert, president and co-founder. "By enabling more efficient power management in smart phones, IBM's technology opens up the possibility of using smaller, lighter batteries or needing less recharge time to provide the same amount of 'talk' time, video sharing or picture-snapping."

Breakthrough: integration that helps commercialize new energy

CMOS-7HV offers PM chip manufacturers the potential to speed the rollout of new classes of products and infrastructure. For example:

• Alternative Energy – IBM's wireless PM technology can be used to create advanced power-optimizing chips located on individual solar panels to optimize electrical output of an entire array -- harvesting up to 57% of the power that is typically lost to real-world conditions such as dirty panels.(2)

• Smart Buildings – Since buildings worldwide consume more than 40% of all the energy we use -- more than any other product or asset – the drive is on to retrofit them with new energy-monitoring technology that makes wide use of PM chips. With IBM technology these PM chips can get smaller and cheaper and can do away with costly and intrusive wiring, making energy-efficient retrofits an easier task for the average building owner, who can see up to a 50% improvement in efficiency. (3)  Semiconductor technology such as CMOS-7HV will be key enablers of future "Zero Net" buildings – structures that operate pollution-free.

"This new process can be used to create new types of affordable wireless sensors, the kind needed to monitor and connect the smart systems coming on line in the next few years --  from alternative-energy products being developed by industrial firms to consumer companies looking to deliver mobile entertainment," said Michael J. Cadigan, general manager, IBM Microelectronics Division. "Integrating communications and power sensors on one chip cuts costs for the industry and is an example of our 'smart-planet' technology vision -- one that we back up with R&D."

IBM is rolling out the new chip-making process to manufacturers in the consumer electronics, industrial, automotive, digital media and alternative-energy segments. The company's semiconductor plant in Burlington Vt., will be the primary manufacturing location for the new technology. IBM is already accepting designs from customers and is scheduling full production for the first half of 2011.

IBM CMOS-7HV joins a growing list of state-of-the-art chip-making processes and services that IBM Microelectronic's foundry business offers to semiconductor and electronics manufacturers worldwide. IBM's Specialty Foundry technologies focus on improving the functionality and wireless connectivity of a wide range of consumer devices from smart phones to WiFi/WiMax-enabled notebooks, GPS devices, Zigbee devices and mobile TV.  IBM Microelectronics Division offers a rich portfolio of custom solutions to accelerate clients' time-to-market needs, including world renowned silicon germanium technology, RFCMOS, power management technology, high-performance SOI, embedded DRAM, industry standard bulk CMOS and custom processors.

Technology Highlights of IBM CMOS-7HV

• 180nm lithography
• Triple-gate oxide High Voltage CMOS technology including high-voltage FETS from 20 to 50V extendable to 120V
• Shallow-trench isolation
• 150K circuit/mm2
• RF features:
  • Precision poly, diffusion and well resistors
  • MIM capacitors, vertical natural capacitors for high voltage use
  • Varactors
  • HV Schottky Barrier Diode
  • Inductors
• Three to seven levels of Al including thick last metal
• One-time programmable (OTP) Memory
• Wire-bond or solder-bump terminals

(1) http://www.isuppli.com/Semiconductor-Value-Chain/News/Pages/Power-Management-Semiconductors-to-Enjoy-Unparalleled-Growth-This-Year.aspx

(2) From the May 2009 report, "Semiconductor Technologies; the Potential to Revolutionize U.S. Energy Productivity" by American Council for an Energy-Efficient Economy and Semiconductor Industry Association. http://www.sia-online.org/galleries/Publications/ACEEE_Report_2009.pdf

(3) http://www.ibm.com/smarterplanet/global/files/us__en_us__buildings__green_buildings.pdf

SOURCE IBM

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