The new thermal model in Flex Power Designer 3.0 enables designers to simulate thermal behaviours in power system designs, for example making it possible to calculate hot spot temperature and overall system efficiency. Flex says this is the only design tool of its kind to include thermal modelling.
Designers can specify board properties including ambient temperature, copper thickness and wind speed. To help make design as straightforward as possible, Flex Power Designer provides graphs which can show the dependencies between multiple quantities, for example to show how temperature varies as a function of output current, output voltage and wind speed.
“Since it was originally launched six years ago, Flex Power Designer has helped our customers to take full advantage of digital power technology. With this new version, Flex Power Designer is now the only design tool of its kind to include a thermal model feature – further helping designers create efficient, robust power system designs,” said Olle Hellgren, Director Product Management and Business Development at Flex Power Modules.
Flex Power Designer is a design tool that gives designers and system architects an overview of the system configuration and efficiency of their entire power system, and goes beyond just converter configuration. The software enables relationship to be defined across rails, including phase spreading, sequencing and fault spreading – helping understand system behaviour, and reducing development time.
The software platform includes built-in simulation, which enables power-stage analysis to optimise tuning, and to visualize design behaviour and how a system performs in relation to design requirements including transient response, output impedance, and power dissipation. It include configuration and simulation of the control loop as well as configuration and monitoring of digital power modules. There is also an SMBus tool, as well as sample code bundled for full SMBus control and production programming.
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