MAX17055ETB+T

MAX17055ETB+T is a low 7μA operating current fuel gauge that implements ModelGauge™ m5 EZ algorithm. ModelGauge m5 EZ makes fuel gauge implementation easy by eliminating battery characterization requirements and simplifying host software interaction. The ModelGauge m5 EZ robust algorithm provides tolerance against battery diversity for most lithium batteries and applications. The MAX17055 provides precision measurements of current, voltage, and temperature. The temperature of the battery pack is measured using an internal temperature measurement or external thermistor. A 2-wire I2C interface provides access to data and control registers. Applications include wearables, smartwatches, smartphones, tablets, 2-in-1 laptops, Bluetooth headsets, health and fitness monitors, digital still, video, and action cameras, medical devices, handheld computers and terminals, wireless speakers, home and building automation, sensors, portable game players, toys.

• No characterization required for EZ performance, robust against battery variation
• Eliminates error near empty voltage, eliminates coulomb counter drift
• Current, temperature, and age compensated
• Does not require empty, full, or idle states
• Supports Li+ and variants including LiFePO4, ±1°C internal temperature or thermistor
• Dynamic power estimates power capability during discharge
• Time-to-empty and time-to-full estimation, constant power or constant current
• Predicts remaining capacity under theoretical load
• Precision measurement system, no calibration required
• 10 TDFN-EP package, -40°C to +85°C temperature rating

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ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party.

Pastabos

IC Marking Code: +AAD