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Geneva – STMicroelectronics has started limited production of its EnFilm advanced rechargeable batteries that measure less than 0.25-mm thick. Target applications for these paper-thin batteries include next-generation personal technology and Internet-of-Things (IoT) devices.
At 220µm thick and measuring 25.7 mm x 25.7 mm, ST’s EFL700A39 EnFilm solid-state lithium thin-film battery is suited for use in ultra-low-profile devices. Surface-mount terminals allow direct attachment to the circuit board, which simplifies assembly and eliminates wires and connectors. Optional tape-and-reel packaging allows high-speed automated placement.
With 3.9-V nominal voltage and 0.7-mAh capacity, the EFL700A39 can power a wide range of applications. Its lithium technology recharges rapidly from a 4.2-V charging circuit and displays low capacity loss as well as long cycle life allowing about 10 years of use if charged once per day. The EFL700A39 is RoHS compliant and UL certified. It also meets UN tests and criteria for battery transportation, IEC 62133 safety specifications, and ISO7816/IEC10373 mechanical and flexibility standards for smart cards.
Availability: ST is ready to fulfill orders for engineering samples and small production quantities, targeting applications such as wireless sensor nodes, RFID tags, smart cards, wearable technology, non-implantable medical monitors, and back-up or storage for energy-harvesting devices.
Pricing: $30.00 per unit for orders of five units minimum.
