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STC3115 - Gas gauge

Description

The STC3115 includes the hardware functions required to implement a low-cost gas gauge for battery monitoring.

The STC3115 uses current sensing, Coulomb counting and accurate measurements of the battery voltage to estimate the state-of-charge (SOC) of the battery.

Features

  • OptimGauge™ algorithm.
  • 0.25% accuracy battery voltage monitoring.
  • Coulomb counter and voltage-mode gas gauge operations.
  • Robust initial open-circuit-voltage (OCV) measurement at power-up.
  • Programmable low battery alarm.
  • Internal temperature sensor.
  • Battery swap detection.
  • Low power: 45 µA in power-saving mode, 2 µA max. in standby mode.
  • Micro-sized packages:.
  • 1.4 x 2.0 mm 10-bump CSP package.
  • 2.0.

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Full PDF Text Transcription

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STC3115 Gas gauge IC with alarm output for handheld applications &63 PP[PP ')1 PP[PP Features • OptimGauge™ algorithm • 0.25% accuracy battery voltage monitoring • Coulomb counter and voltage-mode gas gauge operations • Robust initial open-circuit-voltage (OCV) measurement at power-up • Programmable low battery alarm • Internal temperature sensor • Battery swap detection • Low power: 45 µA in power-saving mode, 2 µA max. in standby mode • Micro-sized packages: – 1.4 x 2.0 mm 10-bump CSP package – 2.0 x 3.
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