DESCRIPTION

· The Si8250/1/2 is a digital power controller offering comprehensive control and protection for both isolated and non-isolated power supplies.
· It features onboard processing for intelligent control optimization, enhancing system performance and enabling serial connectivity via SMBus or UART.
· The controller is in-system Flash programmable, allowing for easy modification of system regulation, protection settings, and other parameters.
· It includes a high-speed control path for rapid loop updates and robust overcurrent protection.
· Supported by the Si8250DK development kit, it facilitates the development and programming of power supply applications.

FEATURES

· Single-chip, Flash-based digital power controller suitable for various applications.
· Enables advanced system capabilities like adaptive dead-time control, nonlinear control for faster response, and self-diagnostics.
· Highly-integrated solution with a high-speed digital hardware control loop and programmable system protection.
· Features hardware cycle-by-cycle current limiting and external clock inputs.
· In-system Flash programmable with NV memory capabilities for data storage.
· Comes with a low-cost, comprehensive development tool kit including design tools, an integrated development environment, and a debugger.

APPLICATIONS

· Suitable for isolated and non-isolated DC/DC converters.
· Ideal for AC/DC converters.
· Fully Pb-free and ROHS compliant, available in 32-pin LQFP and 28-pin QFN packages.
· Operates in a temperature range from –40 to +125 °C.