參數(shù)資料
型號(hào)： LTC4099EPDC#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
封裝： 3 X 4 MM, 0.55 MM HEIGHT, LEAD FREE, PLASTIC, UTQFN-20
文件頁(yè)數(shù)： 3/36頁(yè)
文件大?。?/td> 536K
代理商： LTC4099EPDC#TRPBF
LTC4099
4099fd
IRQ (Pin 8):Open-DrainInterruptOutput.TheIRQpin
canbeusedtogenerateaninterruptduetoamultitude
ofmaskablestatuschangeeventswithintheLTC4099.
SeeTable1.
GND (Pin 9, Exposed Pad Pin 21):Ground.TheExposed
PadandpinmustbesolderedtothePCBtoprovidealow
electricalandthermalimpedanceconnectiontoground.
IDGATE (Pin 10):IdealDiodeAmplifierOutput.Thispin
controlsthegateofanexternalP-channelMOSFETtran-
sistorusedtosupplementtheinternalidealdiode.The
sourceoftheP-channelMOSFETshouldbeconnectedto
VOUTandthedrainshouldbeconnectedtoBAT.
BAT (Pin 11):Single-CellLi-IonBatteryPin.Depending
onavailablepowerandload,aLi-IonbatteryonBATwill
either deliver system power to VOUTthroughtheideal
diodeorbechargedfromthebatterycharger.
VOUT (Pin 12):OutputVoltageoftheSwitchingPowerPath
ControllerandInputVoltageoftheBatteryCharger.The
majorityoftheportableproductshouldbepoweredfrom
VOUT.TheLTC4099willpartitiontheavailablepowerbe-
tweentheexternalloadonVOUTandtheinternalbattery
charger.Priorityisgiventotheexternalloadandanyextra
powerisusedtochargethebattery.Anidealdiodefrom
BATtoVOUTensuresthatVOUTispoweredeveniftheload
exceedstheallottedpowerfromVBUSoriftheVBUSpower
sourceisremoved.VOUTshouldbebypassedwithalow
impedancemultilayerceramiccapacitor.
VBUS (Pin 13): InputVoltagefortheSwitchingPowerPath
Controller.VBUSwillusuallybeconnectedtotheUSBport
ofacomputeroraDCoutputwalladapter.VBUSshould
be bypassed with a low impedance multilayer ceramic
capacitor.
SW (Pin 14):SwitchingRegulatorPowerTransmission
Pin.TheSWpindeliverspowerfromVBUStoVOUTviathe
step-downswitchingregulator.Aninductorshouldbecon-
nectedfromSWtoVOUT.SeetheApplicationsInformation
sectionforadiscussionofinductancevalue.
DVCC (Pin 15):LogicReferencefortheI2CSerialPort.A
0.01Fbypasscapacitorisrequired.
SCL (Pin 16):ClockInputfortheI2CSerialPort.TheI2C
inputlevelsarescaledwithrespecttoDVCC.
SDA (Pin 17):DataInput/OutputfortheI2CSerialPort.
TheI2CinputlevelsarescaledwithrespecttoDVCC.
ACPR (Pin 18):AuxiliaryPowerSourcePresentOutput
(ActiveLow).ACPRindicatesthattheoutputofanexternal
highvoltagestep-downswitchingregulatorconnectedto
WALLissuitableforusebytheLTC4099.ACPRmaybe
connectedtothegateofanexternalP-channelMOSFET
transistorwhosesourceisconnectedtoVOUTandwhose
drainisconnectedtoWALL.ACPRhasahighlevelofVOUT
andalowlevelofGND.
CLPROG(Pin19):USBCurrentLimitProgramandMonitor
Pin.A1%resistorfromCLPROGtogrounddetermines
theupperlimitofthecurrentdrawnfromtheVBUSpin.
Aprecisefractionoftheinputcurrent,hCLPROG,issent
totheCLPROGpinwhenthehighsideswitchison.The
switchingregulatordeliverspoweruntiltheCLPROGpin
reaches1.18V.Therefore,thecurrentdrawnfromVBUS
will be limited to an amount given by hCLPROG and
RCLPROG.ThereareamultitudeofratiosforhCLPROG
availablebyI2Ccontrol,twoofwhichcorrespondtothe
100mAand500mAUSBspecifications(seeTable2).A
multilayerceramicaveragingcapacitorisalsorequiredat
CLPROGforfiltering.
OVSENS (Pin 20):OvervoltageProtectionSenseInput.
OVSENSshouldbeconnectedthrougha6.2kresistorto
theinputpowerconnectorandthedrainofanexternal
N-channel MOSFET pass transistor. When the voltage
onthispinexceedsVOVCUTOFF,theOVGATEpinwillbe
pulledtoGNDtodisablethepasstransistorandprotect
theLTC4099frompotentiallydamaginghighvoltage.
pin FuncTions
相關(guān)PDF資料
PDF描述
LTC4099EUDC#TRPBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20
LTC4217CDHC-12#PBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16
LTC4217IFE 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO20
LTC4217CFE#TRPBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO20
LTC4217IDHC-12 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4099EUDC#PBF 功能描述:IC USB PWR MANAGER/CHRGR 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:PowerPath™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR)
LTC4099EUDC#PBF 制造商:Linear Technology 功能描述:IC BATTERY CHARGER 1.2A UTQFN-20
LTC4099EUDC#TRPBF 功能描述:IC USB PWR MANAGER/CHRGR 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:PowerPath™ 標(biāo)準(zhǔn)包裝:61 系列:- 功能:電源管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:22-DFN（6x3）裸露焊盤 包裝:管件
LTC4100 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Smart Battery System Manager Available in 48-Lead TSSOP Package
LTC4100_09 制造商:LINER 制造商全稱:Linear Technology 功能描述:Smart Battery Charger Controller
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*