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Fuel gauge ups battery capacity, user experience

Posted: 14 Mar 2013     Print Version  Bookmark and Share

Keywords:Maxim Integrated Products  fuel gauge  MAX17050  ModelGauge m3  TINI Power 

Maxim Integrated Products Inc. has released what it touts as the industry's highest accuracy battery fuel gauge. The MAX17050 uses the company's patented ModelGauge m3 algorithm that improves upon the traditional coulomb counting approach by combining it with the patented voltage-based ModelGauge approach.

The MAX17050 claims to offer the best possible accuracy, uses four times less power and shrinks solutions threefold compared to competitive devices. The device is geared for portable applications where battery capacity and state-of-charge accuracy is critical including smartphones, tablets, mobile radios, battery backup and portable medical/fitness equipment.

The MAX17050 uniquely integrates the short-term accuracy and linearity of a coulomb counter with the excellent long-term stability of a ModelGauge fuel gauge, indicated Maxim. The ModelGauge m3 technology makes continuous micro-corrections and eliminates sudden jumps in a battery's state of charge. Users can trust the resulting battery capacity and state information, including the health and maximum battery usage. The MAX17050 functionality is also integrated into the company's TINI Power SoC to make it easier to upgrade designs to more complex systems.

The device is available in a 0.4mm pitch, 9-bump wafer-level package (WLP). Pricing starts at Rs.81.18 ($1.51) (1000-up, FOB USA).

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