Digi-Key Advances Distribution of Winning Portfolios from Renesas and Dialog

Digi-Key Electronics has an extensive global library of electronic components in stock and ready to ship. Digi-Key Electronics will continue to strongly support the product portfolios of Renesas Electronics and Dialog Semiconductor following the August 31, 2021 announcement of the completion of the merger. Digi-Key advances distribution from Renesas and Dialog's strong product portfolio. As […]

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70W+ wireless charging solution based on ST proprietary protocol

Electronic Enthusiasts Network reported (text / Li Cheng) In recent years, wireless charging technology has been rapidly popularized just like WiFi in the past. With the development of technology, the output power of wireless charging has also been greatly improved, the application cost has been reduced, and the application field has also been broadened. Wireless […]

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Renesas electronics launched more than 35 successful product portfolios including dialog products

Renesas completed the acquisition of dialog and benefited customers with comprehensive solutions for Internet of things, industry, automobile and other applications. On August 31, 2021, Tokyo, Japan – global semiconductor solution supplier Renesas Electronics Group (TSE: 6723) announced its formal merger with dialog semiconductor PLC (dialog) today, launching 39 new successful product portfolios to benefit […]

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Circuit design of electromagnetic induction wireless charger

Because different types of electronic products need to use different chargers, we need to find the appropriate socket and straighten out the wiring when charging. The author uses the principle of electromagnetic induction to design an intelligent wireless charger. The wireless charger has the functions of automatic induction charging and intelligent power-off after full charge. […]

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Simple circuit diagram of wireless charger

After the step-down rectification and filtering of transformer, about 21V DC voltage is obtained as the main power supply. The frequency of energy transfer is 1MHz, which is generated by an active crystal oscillator. The crystal oscillator is stabilized to 5V by LM317. The output 1MHz signal of the crystal oscillator can reach about 4.8vpp, […]

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