MCP73841 - Advanced Single or Dual Cell Lithium-Ion.pdf

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1、MMCP73841/2/3/4AdvancedSingleorDualCellLithium-Ion/Lithium-PolymerChargeManagementControllersFeaturesDescription•LinearChargeManagementControllersTheMCP7384Xfamilyofdevicesarehighlyadvanced•High-AccuracyPresetVoltageRegulation:linearchargemanagementcontrollersforuseinspace-limited,cost-sensitiveappl

2、ications.The-+0.5%(max)MCP73841andMCP73842combinehighaccuracy,•FourPresetVoltageRegulationOptions:constant-voltage,constant-currentregulation,cellpre--4.1V-MCP73841-4.1,MCP73843-4.1conditioning,celltemperaturemonitoring,advanced-4.2V-MCP73841-4.2,MCP73843-4.2safetytimers,automaticchargeterminationan

3、d-8.2V-MCP73842-8.2,MCP73844-8.2chargestatusindicationinspace-saving,10-pin-8.4V-MCP73842-8.4,MCP73844-8.4MSOPpackages.TheMCP73841andMCP73842providecomplete,fully-functional,stand-alonecharge•ProgrammableChargeCurrentmanagementsolutions.•ProgrammableSafetyChargeTimersTheMCP73843andMCP73844employallt

4、he•PreconditioningofDeeplyDepletedCellsfeaturesoftheMCP73841andMCP73842,withthe•AutomaticEnd-of-ChargeControlexceptionofthecelltemperaturemonitor.The•OptionalContinuousCellTemperatureMCP73843andMCP73844areofferedin8-pinMSOPMonitoring(MCP73841andMCP73842)packages.•ChargeStatusOutputforDirectLEDDriveT

5、heMCP73841andMCP73843aredesignedfor•AutomaticPower-DownwhenInputPowerapplicationsutilizingsingle-cellLithium-IonorLithium-RemovedPolymerbatterypacks.Twopresetvoltageregulation•TemperatureRange:-40°Cto85°Coptionsareavailable(4.1Vand4.2V)forusewitheither•Packaging:MSOP-10-MCP73841,MCP73842cokeorgraphi

6、teanodes.TheMCP73841andMSOP-8-MCP73843,MCP73844MCP73843operatewithaninputvoltagerangeof4.5Vto12V.ApplicationsTheMCP73842andMCP73844aredesignedforapplicationsutilizingdualseriescellLithium-Ionor•Lithium-Ion/Lithium-PolymerBatteryChargersLithium-Polymerbatterypacks.Twopresetvoltage•PersonalDataAssista

7、ntsregulationoptionsareavailable(8.2Vand8.4V).The•CellularTelephonesMCP73842andMCP73844operatewithaninput•Hand-HeldInstrumentsvoltagerangeof8.7Vto12V.•CradleChargersTheMCP7384Xfamilyofdevicesarefullys