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MAX17058 - 1-Cell/2-Cell Fuel Gauge

Description

The MAX17058/MAX17059 ICs are tiny fuel gauges for lithium-ion (Li+) batteries in handheld and portable equipment.

The MAX17058 operates with a single Li+ cell and the MAX17059 with two Li+ cells in series.

Features

  • MAX17058: 1 Cell, MAX17059: 2 Cells.
  • Precision ±7.5mV/Cell Voltage Measurement.
  • ModelGauge Algorithm.
  • Provides Accurate State-of-Charge.
  • Compensates for Temperature/Load Variation.
  • Does Not Accumulate Errors, Unlike Coulomb Counters.
  • Eliminates Learning.
  • Eliminates Current-Sense Resistor.
  • Low Quiescent Current: 23μA.
  • Battery-Insertion Debounce.
  • Best of 16 Samples Estimates Initial SOC.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MAX17058/MAX17059 EVALUATION KIT AVAILABLE 1-Cell/2-Cell Fuel Gauge with ModelGauge General Description The MAX17058/MAX17059 ICs are tiny fuel gauges for lithium-ion (Li+) batteries in handheld and portable equipment. The MAX17058 operates with a single Li+ cell and the MAX17059 with two Li+ cells in series. The ICs use the sophisticated Li+ battery-modeling algorithm ModelGauge™ to track the battery relative state-of-charge (SOC) continuously over a widely varying charge/discharge conditions. The ModelGauge algorithm eliminates current-sense resistor and battery-learn cycles required by other fuel gauges. Temperature compensation is implemented using the system micro-controller.
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