Linear Technology: Monolithic Full Bridge AutoResonant Transmitter IC Simplifies Wireless Battery Charger Design

By Linear Technology
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In many battery-powered products a charging connector is difficult or impossible to use. For example, some products require sealed enclosures to protect sensitive electronics from harsh environments and to enable for convenient cleaning or sterilization. Other products may simply be too small to include a connector, and in products where the battery-powered application includes movement or rotation, forget about charging with wires. Wireless charging adds value, reliability and robustness in these and other applications. Across a short distance of less than a few inches, capacitive or inductive coupling is commonly used to deliver power wirelessly. In this article, solutions using inductive coupling are discussed. Read More

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