Microchip Technology Introduces High-Current, High-Speed MOSFET Drivers for Large MOSFETs and IGBTs.CHANDLER, Ariz. -- Rugged New Devices Offer Peak Output Currents of 12 Amperes, Placing Them Among the Highest-Current MOSFET (Metal Oxide Semiconductor Field Effect Transistor) The most popular and widely used type of field effect transistor (see FET). MOSFETs are either NMOS (n-channel) or PMOS (p-channel) transistors, which are fabricated as individually packaged Drivers in the Industry Microchip Technology  Microchip Technology (NASDAQ: MCHP) is a manufacturer of microcontroller, memory and analog semiconductors, founded in 1989 when Inc. (Nasdaq: MCHP MCHP Maryland Children's Health ProgramMCHP Microchip Technologies (stock symbol) MCHP Micro-sized Combined Heat and Power (American Honda Motor Co. & Climate Energy, LLC) MCHP Maine Community Heritage Project ), a leading provider of microcontroller and analog semiconductors, today announced the TC4451 and TC4452 Metal Oxide Semiconductor Field Effect Transistor (electronics) Metal Oxide Semiconductor Field Effect Transistor - (MOSFET) A Field Effect Transistor in which the conducting channel is insulated from the gate terminal by a layer of oxide. Therefore it does not conduct even if a reverse voltage is applied to the gate. (MOSFET) driver circuits. The new drivers offer peak output currents of 12 amperes, making them the highest-current MOSFET drivers offered by Microchip, and among the highest in the industry. The devices feature latch-up immunity and a fast drive speed of 15 nF in 27 nS, which equip them with the ruggedness, high-power switching speeds and sharp edges needed to drive large MOSFETs and Insulated Gate Bipolar Transistors (IGBTs) in demanding, high-efficiency Switch Mode Power Supplies (SMPSs) and other high-speed, high-current switching applications. The 12 ampere ampere (ăm`pēr), abbr. amp or A, basic unit of electric current. It is the fundamental electrical unit used with the mks system of units of the metric system. peak output currents of the TC4451 and TC4452 improve power supply efficiency and simplify drive circuits. The devices' latch-up immunity provides superior resistance to the ground bounce In electronic engineering, ground bounce is a phenomenon associated with transistor switching where the gate voltage can appear to be less than the local ground potential, causing the unstable operation of a logic gate. and negative input transients that cause false triggering in noisy environments. Additionally, the TC445X drivers' high drive speed of 15 nF in 27 nS enables rapid charge and discharge (Equity Practice) the old mode or form of taking an account before a master in chancery. (Equity Practice) See under Charge, n. os> See also: Charge Discharge of the gates of very large transistors in switching power supplies Switch´ing power supply n. 1. a device used as part of an electronic device, which transforms electrical current from an AC line circuit to DC for use in electronic devices, and which can use either 110 volt or 220 volt AC line curent. , which conserves power and lowers system costs. "Today's power supply system designers face seemingly contradictory demands to develop systems with higher load currents and speeds, but also with smaller external components," said Jim Mack, senior product marketing engineer for Microchip's Analog and Interface Products Division. "The circuits that drive the power MOSFETs in such systems must also reflect these attributes. With their ability to rapidly charge and discharge the gates of even the largest MOSFETs in power supply systems, the TC4451 and TC4452 drivers help designers to meet all of these requirements while keeping costs low." The TC445X drivers are ideal for industrial applications that utilize power supplies, as well as motor control applications. They directly drive small, direct current (DC) motors, such as those found in home appliances, automobiles and power tools. Further, the devices contain the power-transistor and level-shift circuitry needed for motor control applications, thereby reducing the number of external system components needed and lowering overall system costs. The second family in a series of advanced MOSFET drivers recently introduced by Microchip, the TC4451 and TC4452 drivers follow the recently introduced TC4421A and TC4422A 9 ampere MOSFET drivers, which are improvements upon the TC4421 and TC4422 drivers. For more information on Microchip's MOSFET driver portfolio, please visit www.microchip.com/MOSFET. Packaging, Pricing and Availability Pricing for the TC445X MOSFET drivers in the 8-pin SOIC (Small Outline IC) A small-dimension, plastic, rectangular, surface mount chip package that uses gull-wing pins extending outward. See gull-wing lead, SOJ and chip package. and PDIP (Plastic DIP) See DIP. package options is $1.44 each in 10,000-unit quantities. Pricing for the devices in the 8-pin DFN DFN Definition DFN Deutsches Forschungsnetz DFN Digital Freedom Network DFN Deafness DFN Day for Night (cinematography) DFN Discrete Fracture Network (geology/geophysics) package is $1.64 each in 10,000-unit quantities, and $1.81 each in 10,000-unit quantities for the 5-pin TO-220 package. Sampling and volume production are available today at http://sample.microchip.com/ and www.microchipdirect.com, respectively. For additional information, contact any Microchip sales representative or authorized worldwide distributor, or visit Microchip's Web site at www.microchip.com/TC445X. Microchip Customer Support Microchip is committed to supporting its customers by helping design engineers develop products faster and more efficiently. Customers can access four main service areas at www.microchip.com. The Support area provides a fast way to get questions answered; the Sample area offers free evaluation samples of any Microchip device; microchipDIRECT provides 24-hour pricing, ordering, inventory and credit for convenient purchasing of all Microchip devices and development tools; finally, the Training area educates customers through webinars, sign-ups for local seminar and workshop courses, and information about the annual MASTERs events held throughout the world. About Microchip Technology Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Ariz., Microchip offers outstanding technical support along with dependable delivery and quality. For more information, visit the Microchip Web site at www.microchip.com. Note: The Microchip name and logo are registered trademarks of Microchip Technology Inc. in the United States United States, officially United States of America, republic (2005 est. pop. 295,734,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third largest country in population and the fourth largest country in area. and other countries. All other trademarks mentioned herein are the property of their respective companies. Photo and block diagram A chart that contains squares and rectangles connected with arrows to depict hardware and software interconnections. For program flow charts, information system flow charts, circuit diagrams and communications networks, more elaborate graphical representations are usually used. available through editorial contact. Keywords: Semiconductor Applications: Industrial/Instrumentation; Motor and Motion Control Semiconductor Applications: Power Management; Power Conversion |
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