Lithiumbatteryprotectionboardtechnicalindicators,lithiumbatteryprotectionsolutions.Inlayman'sterms,lithiumbatteriesgenerallyhaveacorrespondinglithiumbatteryprotectionboardtoassisttheirwork.Theroleofthelithiumbatteryprotectionboardistoavoidaseriesofunexpectedsituationssuchasshortcircuits,sotheparameterrequirementsoftheprotectionboardarealsoextremelyprecise.
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Lithiumbatteryovercharge,overdischargeandshortcircuitmaymakethebatteryuseless.Theprotectionboardplaysaprotectiverole
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CompositionoflithiumbatteryThelithiumbatteryismainlycomposedoftwoblocks,thebatterycellandtheprotectionboardPCM(powerbatteryisgenerallycalledthebatterymanagementsystemBMS).
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Howtoactivatethelithium-ionbatteryprotectionboard?Thefieldeffecttransistorusedinthelithium-ionbatteryprotectionboardisusedastheprotectionelement.Inordertoensurethatthebat
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Basicfunctionsofpolymerlithiumionbatteryprotectionboard
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Passiveequalizationandactiveequalizationoflithiumionbatteryprotectionboard
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WhydolithiumbatteriesneedBMS?TheroleoflithiumbatteryprotectionboardBMS.Althoughlithiumbatterieshavemoreadvantagesthanothertypesofbatteries,thereisadangerofexplosionwhenlithiumbatteriesareinaseverelyoverchargedstate,whichcancausedamagetothelithiumbatteryandthreatenthesafetyofusers.Therefore,itisnecessarytoequipthelithiumbatterywithasetoftargetedlithiumbatterymanagementsystemBMStoeffectivelymonitor,protect,energybalanceandfaultalarmofthebatterypack,therebyimprovingtheworkingefficiencyandservicelifeoftheentirelithiumbattery.
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IsBMSlithiumbatterypackmanagementsystemalsocalledlithiumbatteryprotectionboard?Thebatteryisthemostfrequentlyproblematiccomponentinelectricvehicles,anditisakeyfactorhinderingthepromotionandindustrializationofelectricvehicles.Ifasinglebatteryinthebatterypackhasaproblem,theentireelectricvehiclecannotworknormally.BMSlithiumbatterypackmanagementsystemAndthelithiumbatteryprotectionboardistoprotectthelithiumbattery,soisthereadifferencebetweenthetwo?IsBMSlithiumbatterypackmanagementsystemalsocalledlithiumbatteryprotectionboard?
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Functionandworkingprincipleofpowerlithiumbatteryprotectionboard.Inrecentyears,therapiddevelopmentofpowerlithiumbatterieshasmadeconsiderablebreakthroughs.Forthesafetyandlifeoflithiumbatteries,lithiumbatteryprotectionboardsarealsoindispensable.Atthemoment,protectionboardsarealsooneoftheimportantdevicesinlithiumbatterydevices.Powerlithiumbatteryprotectionboard,itisusedtoprotectthebatteryfromdamageandextendtheservicelifeofthebattery.
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DoyouknowthedifferencebetweenthebatteryprotectionboardandthebatterymanagementsystemBMS?Withtheglobaldiversification,ourlivesareconstantlychanging,includingthevariouselectronicproductswecomeintocontactwith,soyoumustnotunderstandtheseproductsSomecomponents,suchasbatteryprotectionboardandbatterymanagementsystemBMS.
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Commonlyusedlithium-ionbatterypackequalizationchargingtechnologiesincludeconstantshuntresistanceequalizationcharging,on-offshuntresistanceequalizationcharging,averagebatteryvoltageequalizationcharging,switchedcapacitorequalizationcharging,step-downconverterequalizationcharging,inductanceequalizationcharging,etc.Whenchargingagroupoflithium-ionbatteriesinseries,ensurethateachbatteryischargedinabalancedmanner,otherwisetheperformanceandlifeoftheentiregroupofbatterieswillbeaffectedduringuse.
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Becausethe18650lithiumbatteryiscylindricalwithadiameterof18mm,theprotectiveplateusedisalso17mmindiameter.
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Thereasonwhylithium-ionbatteriesneedtobeprotectedisdeterminedbytheirowncharacteristics.Becausethematerialofthelithium-ionbatteryitselfdeterminesthatitcannotbeovercharged,over-discharged,over-current,short-circuited,andultra-hightemperaturecharginganddischarging,thelithium-ionbatterycomponentswillalwaysappearwithadelicateprotectionboardandacurrentfuse.
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Theprincipleofthelithiumbatterypackprotectionboardandthefourfunctionsofthelithiumbatteryprotectioncircuit.Thelithiumbatteryprotectionboardiscomposedofelectroniccomponentsa
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ThecircuitandparametersofthelithiumbatteryprotectionboardaredifferentaccordingtotheuseofIC,voltage,etc.ThefollowingisanexplanationwithDW01withMOStube8205A:
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Theworkingprincipleofbalancebetweentheiron-lithiumbatteryprotectionchipandthelithiumbatteryprotectionboard.Theiron-lithiumbatteryismainlycomposedoftwoblocks,thebatterycoreandtheprotectionboardPCM.Thebatterycoreismainlycomposedofpositiveelectrodematerial,negativeelectrodematerial,electrolyte,diaphragmandshell,whiletheprotectionboardismainlycomposedofprotectionchip(ormanagementchip),MOStube,resistor,capacitorandPCBboard.
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NTCthermistorisasensitivecomponentthatdecreasesinresistanceasthetemperaturerises.Itisusedfor:temperaturemeasurement,temperaturecontrol,temperaturecompensation,etc.Itcan
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bestcarsolarLifepo4LithiumLiIonLipoBatteryChargeProtectionCircuitboardmoduleManagementMonitoringSystemsmartBmsbluetoothPCM186501S2S3S4S6S8S10S12S13S14S16S12V24V36V48Vforrechargeablebatterypack
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Thebiggestdifferencebetweennewenergyvehiclesandtraditionalcarsisthattheyusebatteriesaspowerdrives,sothetechnologyofpowerbatteriesisthecoreofnewenergyvehicles.
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Todesignamonitorcircuitforanewandbattery-basedpowersystem,whatstrategywouldyoutaketooptimizethecostandmanufacturabilityofthedesign?Theinitialconsiderationwillbetodeterm
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