Smart Battery Selector Specification Revision 1.1 - SBS-IF Smart ...
Smart Battery Selector Specification Revision 1.1 - SBS-IF Smart ...
Smart Battery Selector Specification Revision 1.1 - SBS-IF Smart ...
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<strong>Smart</strong> <strong>Battery</strong> <strong>Selector</strong> <strong>Specification</strong>4.2. <strong>Smart</strong> <strong>Battery</strong> <strong>Selector</strong> ModelOne possible <strong>Smart</strong> <strong>Battery</strong> <strong>Selector</strong> model is a system consisting of two batteries and smart battery chargerin a notebook computer. The diagram below illustrates the typical power and data paths when battery A isacting as the primary battery. This diagram shows a <strong>Smart</strong> <strong>Battery</strong> <strong>Selector</strong> connecting <strong>Smart</strong> <strong>Battery</strong> A toboth the system and the charger. When AC is present, the <strong>Smart</strong> <strong>Battery</strong> can opt to charge itself as requiredand the system will be powered by the AC source (no power will be drawn from the battery terminals). IfAC is not present, the system will be powered by <strong>Smart</strong> <strong>Battery</strong> A.VccSystemPowerSupplyDC(Unregulated/battery)PowerSwitchNote: SB A charging/powering thesystemSB B idleAC<strong>Smart</strong> <strong>Battery</strong> A<strong>Smart</strong> <strong>Battery</strong> BAC-DCConverter(Unregulated)VbattSafetySignalSMBusVbattSafetySignalSMBusSystem Host<strong>Smart</strong> <strong>Battery</strong><strong>Selector</strong>SMBusSafety Signal<strong>Smart</strong> <strong>Battery</strong>ChargerVChargeCritical Events<strong>Battery</strong> Data/Status RequestsSMBusTypical Multiple <strong>Smart</strong> <strong>Battery</strong> System<strong>SBS</strong> Implementers Forum Page 6<strong>Revision</strong> <strong>1.1</strong>
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