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.
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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 | |
| GG25LJ | Active | CSP P 0.4 mm | Industrial | 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.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| GG25LJ | 1 distributors | Active | EAR99 | NEC | Tape And Reel | CSP P 0.4 mm | -40 | 85 | CHINA | | ||
| GG25LAJ | No availability of distributors reported, please contact our sales office | NRND | EAR99 | NEC | Tape And Reel | CSP P 0.4 mm | -40 | 85 | FRANCE | | ||
(*) 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