To save space and simplify enclosure design and sealing, STMicroelectronics has introduced a miniature, wireless battery-charging chipset.
Sector News
Automatic aligning connectors in textile improve soldier mobility
Invisible power and data connectivity is offered with mag-Net, the auto‑aligning and self‑coupling textile-mounting garment connector that is available from TT Electronics.
Contactless wireless charging brings convenience to wearables
To charge low power applications, such as hearing aids and other wearable devices that require resistance to water and dust, Renesas has developed the RAA457100 power receiver IC and a power transmitter IC (the RAA458100). Each includes all the functions needed for wireless charging on a single chip. An evaluation kit is also available.
PMIC uses proprietary technique for energy harvesting
Using proprietary energy management technology, the AEM10940 PMIC comprises a low power boost converter (at 94 per cent efficiency levels), voltage reference, energy management and LDO regulator elements. Its cold-start circuitry enables it to be brought into active operation even when there is minimal energy left, says e-peas. An input voltage of 380mV and just 11microW of power are more than sufficient, it adds.
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