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Nanopower DC-DC Converter For Longest Battery Life In Wearables & IoT

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Nanopower DC-DC Converter For Longest Battery Life In Wearables & IoT

Claiming to offer the longest battery life and smallest solution size for wearable and consumer IoT designs, Maxim’s new step-up DC-DC converter features an ultra-low quiescent current of only 300nA and comes in tiny sizes of 0.88mm x 1.4mm and 2mm x 2mm.

MAX17222 is a 0.4V to 5.5V input, 1.8V to 5V output boost regulator with 500mA input current limit and reduces solution size by up to 50% compared to similar products and offers 95% peak efficiency to minimize heat dissipation, according to Maxim.

These benefits are ideal for wearable devices which IDC forecasts will experience a compound annual growth rate (CAGR) of 18.4% in 2020.

Battery drain is significantly reduced during standby and shutdown modes to maximize operating time. In True Shutdown mode, the device draws only 0.5nA. The chip is also internally compensated and requires only a single configuration resistor and small output filter for a full power solution.

The boost regulator comes in tiny, density-optimized 0.88mm x 1.4mm 6-Bump WLP and 2mm x 2mm 6-Pin standard µDFN packages. It operates over the -40-degree Celsius to +85-degree Celsius temperature range.

“Low quiescent current, combined with True Shutdown and high efficiency, helps our customers deliver smart, connected products while meeting demands for high uptime per charge,” said Meng He, Executive Business Manager, Maxim Integrated.

The MAX17222ELT+ is available for $1.23 (1000-up, FOB USA) and the MAX17222EVKIT# evaluation kit is available for $34.99. An EE-Sim model is available.

For further details, view the Press release.

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