This brushless motor driver targets applications requiring up to one-third horsepower and allows engineers the choice of either a DSP or an MCU digital interface. The unit's three independent half-bridges deliver up to 5A output current or 10A peak using industrial voltage supplies of 60V. Independent access to each of the six MOSFETs allows PWM control and commutation for three high-current outputs. Protection circuitry includes three-phase current monitoring, temperature monitoring, and prevention of shoot-through currents and activating both the top and the bottom MOSFETs in the same phase. The driver allows the use of smaller filter components by switching at frequencies up to 100 kHz. Offered in a 23-pin staggered-lead IC package, with a grounded case for easy heat-sinking, the SA305 operates over a temperature range of -40 to 85C.
A next-generation guided ammunition system for intercepting enemy fire that Lockheed Martin is developing for the Army has hit its targets in an initial series of tests by the company.
Against a backdrop of mounting product complexity and a need to keep a lid on development costs, companies are recognizing a need to make simulation a more integral part of the design process. In response, vendors in the CAD world are building out CAE functionality as part of their CAD suites while simulation vendors are building tighter integrations to leading CAD tools. Keith Meintjes, Ph.D., Practice Manager, Simulation and Analysis at CIMdata, Inc., joins Design News CAD Editor Beth Stackpole in this radio program to explore the new face of integrated CAD and CAE, how companies are benefitting from this tighter partnership between platforms, and how integrating CAE earlier in the development cycle pays off in optimized product designs.
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