Quantum Research Group, the leader in capacitive touch sense technologies, announces the newest member of its family of capacitive touch sensor products. The QT102, available in a SOT-23-6 package, is a unique one-channel touch on/touch off sensor chip with integral power management and safety functionality. These functions make it perfect for battery-driven applications and mains-driven products with stringent power management requirements, such as kitchen and home appliances.
The QT102 combines a toggle mode on/off switch with a hardware-programmable, auto switch-off function with override and reset capability. It also offers immediate shut-off in case of a system malfunction. The auto switch-off function is an important safety requirement. For example, in kitchen appliances it prevents overheating of the system if the user forgets to turn off the appliance after use.
“Power control and management features are key requirements for almost all applications”, says Hal Philipp, CEO and founder of Quantum Research Group, “Combining new technologies such as capacitive touch sense control with timing functions for power management and safety will bring a new level of competitiveness to our customers.”
The QT102 also has a sophisticated internal power management control, running the part mostly in low-power mode and only switching temporarily to its high power, fast mode once a touch is detected. This guarantees a typical current consumption of 37uA at 3V supply voltage, while maintaining a very fast response time to touch. Additional features are automatic recalibration to ensure reliable operation in changing environments and a detect integrator which suppresses detection generated by electrical noise or unintentional contact with an object. A user-configurable output pin allows for easy interfacing back to a host MCU or to drive power loads via a MOSFET or bipolar transistor.
Target applications of the QT102 include touch control and auto-off of lighting controls, small domestic appliances such as irons, coffee makers and kettles, rice cookers, fans, flashlights, cordless headsets, children’s toys, and even PC peripherals. Special versions of this part are possible since the device is largely firmware based and can be readily modified for sufficient OEM quantities.
The QT102 is sampling now. A demo board will be available by early September 2007. The QT102 is priced under 50 cents in high volume quantities.
For further information and reader enquiries:
Stephan Thaler, Quantum Research Group Limited, 1 Mitchell Point, Ensign Way, Hamble, Southampton, SO31 4RF, UK
Tel: +44 (0) 2380 565600 E-mail: firstname.lastname@example.org
Fax: +44(0) 2380453939 Web: www.qprox.com
About Quantum Research
Quantum, founded in 1996 is a leading provider of capacitive touch sense products and technologies. The company’s award winning QTouch and QMatrix technologies are embedded in over 30 dedicated touch sense controllers from Quantum, as well as licensed to silicon partners addressing various applications in the mobile communication and entertainment markets as well as in PC, appliances and automotive applications. Quantum's sensing technology is based on its patented charge-transfer methodology and addresses applications with multiple buttons, wheels, sliders, track pads and touch screens. The company is privately held and based in Hamble, England with offices in Ireland, Germany, Japan, China, Korea and the United States. Additional company and product information is available at www.qprox.com
Note: The above text is the public part of the press release obtained from the manufacturer (with minor modifications). EETimes Europe cannot be held responsible for the claims and statements made by the manufacturer. The text is intended as a supplement to the new product presentations in EETimes Europe magazine.