ST Life.augmented

STEVAL-ISB014V2

Battery monitoring with alarm output for gas gauge applications based on the STC3115
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The STEVAL-ISB014V2 product evaluation board is based on the STC3115. This device includes the hardware functions required to implement a low-cost gas gauge for battery monitoring. It uses current sensing, Coulomb counting and accurate battery voltage measurements 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 STC3115 offers advanced features to ensure high performance gas measurement in all application conditions.

The STEVAL-ISB014V2 evaluation board is suitable for portable medical equipment, mobile phones, multimedia players and digital cameras.

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Data Brief

Key Features

  • 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
  • RoHS compliant

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Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DB2141: Battery monitor with alarm output for gas gauge applications based on the STC3115
1.0 210 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
zip
STEVAL-ISB014V2 gerber files
61 KB

Bill of Materials

Description Version Size
pdf
STEVAL-ISB014V2 BOM
7 KB

Schematic Pack

Description Version Size
pdf
STEVAL-ISB014V2 schematics
45 KB

Sample & Buy

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Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-ISB014V2ActiveSTC3115-46Distributor reported inventory date: 2014-12-17
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE170
DIGIKEYOrder NowWORLDWIDE81
Ecopack2-

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