Step-down buck converter is for multi-cell batteries

Single stage power conversion in multi-cell battery applications is provided with the MAX77540 step-down buck converter. Examples of use are AR / VR headsets, land mobile radios and digital single-lens reflex (DSLR) cameras. The power-dense MAX77540 buck converter features 94 per cent peak efficiency and wafer level packaging that measures 61 per cent smaller than traditional quad flat no-lead (QFN) packages.

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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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Powercast unveils printed medical wearables 

At CES 2022 in Las Vegas this week, Powercast is highlighting its RF wireless power technology in a 3D – printed wearable monitor which can be used by both out-patients at home and athletes to monitor their biomedical signals. The flexible monitor was developed by researchers at the University of Arizona.

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Battery management IC monitors can shrink final form factors

Charge and fuel gauge accuracy in a smaller solution size can be realised with the MAX17330 by Analog Devices. It includes AccuCharge technology with integrated fuel gauge and battery protection for one-cell lithium-ion/polymer batteries to extend battery runtimes. 

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