Combining the flexibility of digital power with the responsiveness of analog algorithms, STMicroelectronics’ STNRGPF12 dual-channel interleaved boost-PFC (power factor correction) controller is easily configured and optimised using the company’s eDesignSuite software.
Suited to applications over 600 W, the STNRGPF12 enhances efficiency and reliability in equipment as diverse as industrial motor controls, charging stations, uninterruptible power supplies, 4G and 5G base stations, welding machines, telecom switches, home appliances, and data-centre power supplies.
The chip operates in continuous-conduction mode (CCM) at fixed frequency with average-current-mode control. The best of both digital and analog worlds meets in the STNRGPF12’s inner and outer control loops. The inner current loop utilises a hardware analog Proportional-Integral (PI) compensator, while the outer voltage loop is performed by a digital PI controller with fast dynamic response. This enables the STNRGPF12 to manage cascaded control of the voltage and current loops to regulate the output voltage by acting on the total average inductor current.
Schneider Electric partners with Drakenstein Municipality Schneider Electric South Africa
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Although the concept of electric vehicles is not a new one, the market remains in its infancy, and is not well-regulated or fully operational. This presents a number of challenges for manufacturers throughout the EV and EVSE ecosystem.
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Common switch-mode power supply (SMPS) design errors are discussed, and their appropriate rectification is specified, with details on complications that arise with the power stage design of DC-DC switching regulators.
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AI & ML
SolidRun and Hailo has unveiled a game-changer for engineers and AI product developers with the launch of their market-ready SoM, which packs the cutting-edge capabilities of the Hailo-15H SoC.