Datasheet LTC4099EUDC - Linear Technology IC, BATTERY CHARGER, 1.2 A, UTQFN-20 — Ficha de datos

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Manufacturer: Linear Technology

Description: IC, BATTERY CHARGER, 1.2 A, UTQFN-20

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Docket:
FeaTures
n
LTC4099 I2C Controlled USB Power Manager/Charger with Overvoltage Protection DescripTion
Switching Regulator with Bat-TrackTM Adaptive Output Control Makes Optimal Use of Limited Input Power n I2C Port for Optimal System Performance and Status Information n InputOvervoltage Protection n Bat-Track Control of External Step-Down Switching Regulator Maximizes Efficiency from Automotive and Other High Voltage Sources n Instant-On Operation with Low Battery n OptionalOvertemperatureBatteryConditioner ImprovesHighTemperatureBatterySafetyMargin n IdealDiodeSeamlesslyConnectsBatteryWhenInput PowerisLimitedorUnavailable n Full-FeaturedLi-Ion/PolymerBatteryCharger n 1.5AMaximumChargeCurrentwithThermalLimiting n SlewControlReducesSwitchingEMI n 20-Lead3mmЧ4mmЧ0.75mmQFNPackage
TheLTC®4099isanI2CcontrolledhighefficiencyUSB PowerPathTMcontrollerandfull-featuredLi-Ion/Polymer batterycharger.Itseamlesslymanagespowerdistribution frommultiplesourcesincludingUSB,awalladapterand aLi-Ion/Poly

Specifications:

• Battery Charge Voltage: 4.7 V
• Battery IC Case Style: UTQFN
• Battery Type: Li-Ion, Li Polymer
• Charge Current Max: 1.2 A
• Input Voltage: 5 V
• Number of Pins: 20
• Number of Series Cells: 1

RoHS: Yes