New Compact Energy-Harvesting and Power-Management IC

New Compact Energy-Harvesting and Power-Management IC Enables Low-Power Wireless Devices

http://www.maxim-ic.com/company/press_room/product.cfm/id/1817

The ultra-thin MAX17710 harvests energy from 1µW to 100mW ambient sources.
The ultra-thin MAX17710 harvests energy from 1µW to 100mW ambient sources.
[High-resolution images]

The MAX17710 harvests energy from power sources of 1µW to 100mW for efficiently charging THINERGY® Micro-Energy Cells (MECs).
SUNNYVALE, CA—June 15, 2011—Maxim Integrated Products (NASDAQ: MXIM) introduces the MAX17710, the industry’s first IC to integrate all of the power-management functions for ambient energy harvesting, as well as for charging and protecting micro-energy cells (MECs), a form of solid-state battery. Operating at an ultra-low current level, the MAX17710 accepts energy from a variety of poorly regulated energy harvesting sources with output levels ranging from 1µW to 100mW. Examples include light (captured by photovoltaic cells), vibration (captured by a piezoelectric element), heat (captured by a thermoelectric generator), and RF (e.g., near-field communications (NFC)). The MAX17710 integrates a programmable input boost regulator and needs no expensive external components to charge a MEC with energy sources as low as 0.8V. It protects the MEC by using a linear shunt-series regulator. An ultra-low-quiescent current, adjustable low-dropout linear regulator (LDO) with selectable voltages of 3.3V, 2.3V, or 1.8V allows the MAX17710 to adapt to a variety of loads. Packaged in a low-profile 0.5mm TQFN, it enables a new class of thin, card-like applications. The IC will also be available in wafer form to enable even thinner form factors. The MAX17710 is targeted for powered smart cards, real-time clock (RTC)/memory backup applications, and wireless sensor networks. Examples of wireless sensor networks include remote applications like irrigation valve control, building energy management, machine monitoring systems, asset tracking, biometric security systems, medical applications, and a myriad of portable consumer electronics.

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