Monolithic full bridge autoresonant transmitter IC simplifies wireless battery charger design

The use of batteries in everyday devices is getting more ubiquitous. In many of these 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 enable convenient cleaning or sterilisation. 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.

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What’s in Your Healthcare Monitor?

Consumers are increasingly interested in monitoring their own health due to both increased health awareness and the ability to use monitoring to prevent or treat various diseases. For instance, diabetes, obesity, and high cholesterol levels are pervasive problems—due in no small part to changes in lifestyles—while at the same time, the proliferation of smartphones and wearable devices enable consumers to use health monitoring applications to assist them in maintaining optimal health.

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Wireless Li-Ion Charger Solution for Wearable Devices Includes Integrated Step-Down DC-to-DC Converter

The LTC4126 is a full-featured 7.5 mA wireless lithium-ion (Li-Ion) battery charger with a 1.2 V inductorless dc-to-dc converter designed for hearing aids, wireless headsets, and other space-constrained wearable products that require wireless charging. The LTC4126 can be combined with an LTC6990-based ZVS single transistor transmitter for a complete wireless charging solution.

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Medically Wearable, Scalable & Available

The total medical electronics market in 2018 was valued at $73.3B and is expected to grow an additional 13% during 2019. [Source: Global Market Insights]. Accordingly, it should come as no surprise that some of the key factors driving this growth rate are the rising ageing population and growing lifestyle diseases; rising demand for personalized, easy to use, and advanced healthcare devices; and the ever-increasing adoption of wearable medical electronics.

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