Fuel gauge offers four fold reduction in quiescent current
Maxim is now sampling what it claims to be the industry's simplest low power fuel gauge for Lithium-ion batteries.
Operating at only 23µA, the MAX17048 is designed to use 4x less power than competitive devices and even less in micropower hibernate mode, in which the fuel gauge continues to operate.
It needs only one external capacitor, not the multiple external devices of competitive devices, which Maxim says simplifies design, shrinks solution size by 3x and reduces costs.
The fuel gauge is targeted at portable, battery powered applications such as smartphones, wireless handsets, and mobile accessories, including Bluetoothheadsets, portable speakers, fitness devices, and Wi-Fi routers.
The module also features the company's ModelGauge algorithm and does not require coulomb counting to report accurate battery state of charge, thus extending runtime.
