Tuesday, March 10, 2009 6:28:39 AM
Technology Media
March 10, 2009
Neubiberg, Germany – March 10, 2009 – Infineon Technologies (FSE/NYSE: IFX), a leading supplier of Hall sensors for automotive applications, today announced a new family of Hall-effect switches and latches targeting a broad range of industrial applications, such as motor control and automation systems. The new TLI49x6 product family includes high precision Hall-effect switches and latches based on chopped Hall probes. It offers enhanced accuracy and robustness against electrical disturbances. Tiny SMD packages and slim leaded packages are available for high flexibility and compact designs for industrial applications.
The new product family includes five devices; the TLI4906x series of switches and the TLI4946x series of latches, both with various package options.
The TLI4906x is a high precision Hall-effect switch with high-accuracy switching thresholds for ambient operating temperatures of up to 125 °C. It is ideally suited for a broad portfolio of industrial and consumer applications that require high precision switching points for position sensing, such as security systems, alignment control, push buttons, keyboards, key switches, and machine tools.
TLI4946x latches are ideal for controlling Brushless DC (BLDC) motors. The major advantage of the brushless technology in comparison to motors using brushes is that commutation is performed without mechanical contact: Therefore, BLDC motors are more reliable, more efficient and run quieter at faster speed. The TLI4946x latches are designed to exactly detect the rotor position of BLDC motors, for example in air conditioning systems, pumps, washing machines, DVD players and rolling shutters. Apart from effective control, the latches can also be used for index counting.
“Infineon is a leading and well-established supplier of high-quality, reliable Hall sensors for the automotive industry. With the new TLI49x6 switch and latch family, Infineon expands its offering to customers in the industrial and consumer market,” said Frank Findeis, Head of Marketing for Magnetics and Sensor Interfaces at Infineon Technologies. “Various industrial applications like control of energy efficient BLDC motors will profit from the high precision and reliability of the products, while designers of motor drive solutions have the additional benefit of getting all related high-quality and perfectly matched key components like microcontrollers, power devices and sensors from one source, Infineon.”
The Hall-effect switches comprise a chopped Hall probe, bias generator, compensation circuits, oscillator and an output transistor. The bias generator supplies the Hall probe and the active circuits. Compensation circuits stabilize response of the IC over temperature and reduce the impact of process variations. The sensor module delivers the same and stable outputs regardless of temperature. Active error compensation reject offset affects in the signal path and the impact of mechanical stress in the package caused by molding, soldering and thermal effects. The chopper technique together with the threshold generator and the comparator ensure high sensitivity and high stability of magnetic switching points. The industrial Hall-effect devices offer a very low jitter of typically 1µs.
The ICs have an open collector output stage with 20mA current sink capability. A wide operating voltage range from 2.7V to 18V with reverse polarity protection down to -18V and high ESD protection of ±4kV (HBM) make the TLI49x6 switch/latch family suitable for a variety of applications. A magnetic south pole with field strength above B op turns the output on, while a magnetic north pole exceeding B rp turns it off.
Availability and pricing
Infineon launches the new TLI49x6 family with five products. The unipolar switch TLI4906K is available in a 3-pin PG-SC59 package while the TLI4906L is supplied in a 3-pin PG-SSO-3 package. The Hall-effect latches TLI4946K and TLI4946-2K are both available in a PG-SC59, and the TLI4946-2L in a PG-SSO-3 package. Typical pricing, in quantities of 10,000 units, of TLI49x6K devices is approximately Euro 0.21 (approximately US $0.30) per piece. Engineering samples of the TLI49x6 family are available with volume production expected to start in April 2009.
Further information on Infineon’s product portfolio is available at www.infineon.com/sensors
About Infineon
Infineon Technologies AG, Neubiberg, Germany, offers semiconductor and system solutions addressing three central challenges to modern society: energy efficiency, communications, and security. In the 2008 fiscal year (ending September), the company reported sales of Euro 4.3 billion with approximately 29,100 employees worldwide. With a global presence, Infineon operates through its subsidiaries in the U.S. from Milpitas, CA, in the Asia-Pacific region from Singapore, and in Japan from Tokyo. Infineon is listed on the Frankfurt Stock Exchange and on the New York Stock Exchange (ticker symbol: IFX).
Information Number
INFATV200903.042
Press Photos
Image
Description
The new product family of Hall-effect switches and latches is targeting a broad range of industrial applications, such as motor control and automation systems.
TLI49x6, 213 KB, high resolution
Name Contact
Monika Sonntag
Media Relations
monika.sonntag@infineon.com
Phone +49 89 23424497
http://www.infineon.com/cms/en/corporate/press/news/releases/2009/INFATV200903-042.html
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