24V MOSFET protects battery circuits in wireless earphones

A 24V MOSFET developed by Magnachip Semiconductor addresses the goal of battery designers for long battery life after a quick charge by reducing conduction loss. 

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NFC charging transmitter offers high output for small consumer devices

Panthronics has increased system efficiency by 18 per cent in its transmitter design for the PTX130WNFC charging transmitter. It is claimed to be the industry’s highest output power for faster NFC charging. It is based on sine wave architecture to offer simpler antenna matching, a smaller bill of materials (BoM) and high tolerance of antenna misalignment.

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Evaluation board verifies battery management for the IoT

To verify operation of battery management in electronic devices such as wearables, industrial IoT products, such as smart cards and electronics shelf labels as well as portable devices, Rohm has developed the REFLVBMS001-EVK-001. 

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Torex expands its low quiescent current inductor range

Inductors with a built-in, step-down DC/DC converter make up the XCL232 series from Torex Semiconductor. 

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