GG25L

NRND
Design Win

Gas gauge IC with alarm output

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Product overview

Description

The GG25L includes the hardware functions required to implement a low-cost gas gauge for battery monitoring. The GG25L uses current sensing, Coulomb counting and accurate measurements of the battery voltage to estimate the state-of-charge (SOC) of the battery. An internal temperature sensor simplifies implementation of temperature compensation.

An alarm output signals a low SOC condition and can also indicate low battery voltage. The alarm threshold levels are programmable.

The GG25L offers advanced features to ensure high performance gas gauging in all application conditions.

  • All features

    • OptimGaugeTM 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 with debounce delay
    • Low battery level alarm output with programmable thresholds
    • Internal temperature sensor
    • Battery swap detection
    • Low power: 45 μA in power-saving mode, 2 μA max in standby mode
    • 1.4 x 2.0 mm 10-bump CSP package

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STMicroelectronics - GG25L

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
GG25LAJ
NRND
CSP P 0.4 mm Industrial Ecopack3

GG25LAJ

Package:

CSP P 0.4 mm

Material Declaration**:

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Marketing Status

NRND

Package

CSP P 0.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack3

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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GG25LAJ NRND

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors