Datasheet LTC4099EUDC - Linear Technology IC, BATTERY CHARGER, 1.2 A, UTQFN-20
Part Number: LTC4099EUDC
Detailed Description
Manufacturer: Linear Technology
Description: IC, BATTERY CHARGER, 1.2 A, UTQFN-20
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