I2C 电池电量测量

Forapplicationsrequiringaccuratebatterygasgauging,theLTC®2941andLTC2942coulombcountersprovidetinyandeasy-to-usesolutions.TheLTC2941/LTC2942useacontinuous-timeanalogintegrator,resultinginminimaloffsetandgainerrorandbetteroverallchargeaccuracy.Thebidirectionalanalogintegratoraccommodatesbothbatterychargeanddischarge,andaprogrammableprescalerallowsforawiderangeofbatterycapacities.TheLTC2942incorporatesa14-bit∆∑ADCtomeasurebatteryvoltageanddietemperature.TheLTC2941-1andLTC2942-1alsointegratea50mΩsenseresistortoprovideupto±1Ameasurementrange.Charge,voltage*andtemperature*areallcommunicatedtothehostsystemoveranI2C/SMBuscompatibleinterface.ICBatteryGasGauges2CHARGERLOADLTC2942-1HOST+I2CREGISTER