Posts Tagged ‘Vehicle’
Hybrid Electric Vehicle Power Systems Receive Major Upgrade
August 20th, 2010
Hybrid Electric Vehicle Power Systems Receive Major Upgrade
Hybrid Electric Vehicle Power Systems Receive Major Upgrade
A leading company specializing in the design and production of materials forelectronic thermal management, now uses AlSiC (Aluminum Silicon Carbide), a metal matrix composite ideally matched for base plates material for insulated gate bipolar transistor (IGBT), used in power control, high-power traction, fly-by-wire applications, and Hybrid Electric Vehicle power systems.
The low isotropic coefficient of thermal expansion (CTE) value of AlSiC-9 (8 ppm/°C: 30 – 100°C) is compatible with the thermal expansion value of the substrate or die used in IGBT power modules. The AlSiC CTE match lowers the mechanical stresses on IGBT die and substrates that are introduced by thermal power cycling, improving dependability of substrate attachment and reducing die cracking failures.
The device compatible AlSiC CTE removes the need for stress compensation material layers which are required in Copper (CTE = 17ppm/°C) baseplate assemblies. Removal of stress compensation materials simplifies baseplate assembly and decreases thermal resistance for AlSiC systems, meaning AlSiC systems have equal or improved thermal dissipation over Copper baseplate assemblies.
In high power applications (> 1200 V/ 400 A), IGBT modules assembled with AlSiC baseplates are found to have a service reliability of many times more thermal power cycles over Copper equivalent systems.
AlSiC is a lightweight material (1/3 that of Copper), which makes it an ideal cooler material for the weight-sensitive IGBT applications. AlSiC has higher strength and stiffness than Copper, which, combined with its lightweight nature, makes AlSiC assemblies more tolerant to shock and vibration.
The CPS AlSiC near net-shape fabrication process both produces the composite material and fabricates the product geometry, creating the design of IGBT base plates with a dome profile. This geometry improves thermal interface contact with cold plates and coolers. CPS fabricates standard of 190 mm x 140 mm, 140 mm x 130 mm and 140 mm x 70 mm base plate formats (shown) as well as custom formats.
About CPS Technologies Corporation
CPS Technologies Corporation is the worldwide leader in the design and high-volume production of metal matrix composites. CPS uses a net-shape fabrication process, including patented QuickSet™ injection molding and QuickCast™ infiltration. AlSiC components are used in applications in the wireless communications infrastructure, high-performance microprocessor, motor controller, and other microelectronic markets. CPS is a publicly traded company (symbol “CPSH”). CPS’ customers include Infineon, Siemens VDO, Continental Temic, Rockwell Automation, TI, Motorola, HP, Agilent and Amkor.
More Hybrid Electric Vehicle Articles
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Ford Battery Electric Vehicle (BEV)
August 20th, 2010
Ford Battery Electric Vehicle (BEV). For images and details click on the link. www.motorcities.com
Video Rating: 5 / 5
Chargepoint plug-in electric vehicle recharge
August 17th, 2010
A short piece of video journalism that I created for university. A new plug-in recharge station for electric vehicles has opened in Glebe. Interviewees include Chargepoint CEO Luke Grana and Technical manager Lance Douglas.
BugE Electric Vehicle First Run
August 15th, 2010
First test run of BugE Personal Electric Vehicle February 2007 Creswell Oregon USA
SUBSCRIBE to stay current on EV news ^ ^ ^ ^ ^ electric-vehicles-cars-bikes.blogspot.com WORLDs FASTEST ELECTRIC VEHICLE Killacycle A123 Battery powered drag bike NEW ELECTRIC VEHICLE WORLD RECORD 7.82 @ 168 MPH Now running 1210 A123 M1 Nanophosphate Li-Ion battery cells that produce 500 hp (up from the previous record set with 990 A123 M1 cells and 350 hp)
Video Rating: 4 / 5