Silicon Laboratories' comprehensive development kit for the Si825x family of digital power controllers is a complete hardware and firmware development system that requires users to write little or no software to implement digital power supplies. The Si8250DK was created to enable analog power designers using the Si825x digital controllers to quickly become proficient in digital power supply design.
The Si825x family offers the fast response of an ASIC solution and the flexibility of a Flash-based processor. According to the manufacturer, its unique architecture delivers both digital power control and management functions while consuming one-tenth the space and drawing less than 15% of the supply current of typical DSP solutions.
The Si8250DK includes a source-level, realtime kernel that supplies key system software functions including power supply initialisation, soft-start, fault detection and recovery, PMBus management and shutdown. The kit includes powerful GUI-based Application Builder software that enables the user to design and verify system switch timing, loop compensation and configuration without writing application software. Also included is an integrated development environment (IDE) consisting of an editor, macro assembler, demo C compiler and a special online debugger that allows the user to manually adjust system parameters (such as loop compensation) during power supply operation.
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