The CXLB7386 is a complete constant-current/constant- voltage linear charger for single cell lithium-ion batteries

   产品概述 返回TOPxYL嘉泰姆

The CXLB7386 is a complete constant-current/constant-xYL嘉泰姆

voltage linear charger for single cell lithium-ion batteries.xYL嘉泰姆

Its ThinSOT package and low external component countxYL嘉泰姆

make the CXLB7386 ideally suited for portable applications.xYL嘉泰姆

Furthermore, the CXLB7386 is specifically designed toxYL嘉泰姆

work within USB power specifications.xYL嘉泰姆

No external sense resistor is needed, and no blockingxYL嘉泰姆

diode is required due to the internal MOSFET architecture.xYL嘉泰姆

Thermal feedback regulates the charge current to limit thexYL嘉泰姆

die temperature during high power operation or highxYL嘉泰姆

ambient temperature. The charge voltage is fixed at 4.2V,xYL嘉泰姆

and the charge current can be programmed externally withxYL嘉泰姆

a single resistor. The CXLB7386 automatically terminatesxYL嘉泰姆

the charge cycle when the charge current drops to 1/10thxYL嘉泰姆

the programmed value after the final float voltage isxYL嘉泰姆

reached.xYL嘉泰姆

When the input supply (wall adapter or USB supply) isxYL嘉泰姆

removed, the CXLB7386 automatically enters a low currentxYL嘉泰姆

state, dropping the battery drain current to less than 2μA.xYL嘉泰姆

The CXLB7386 can be put into shutdown mode, reducingxYL嘉泰姆

the supply current to 25μA.xYL嘉泰姆

Other features include charge current monitor,xYL嘉泰姆

undervoltage lockout, automatic recharge and a status pinxYL嘉泰姆

to indicate charge termination and the presence of an inputxYL嘉泰姆

voltage.xYL嘉泰姆

   产品特点 返回TOPxYL嘉泰姆

    Programmable Charge Current Up to 800mAxYL嘉泰姆

No MOSFET, Sense Resistor or Blocking DiodexYL嘉泰姆

RequiredxYL嘉泰姆

Complete Linear Charger in ThinSOT Package forxYL嘉泰姆

Single Cell Lithium-ion BatteriesxYL嘉泰姆

Constant-Current/Constant-Voltage Operation withxYL嘉泰姆

Thermal Regulation to Maximize Charge RatexYL嘉泰姆

Without Risk of OverheatingxYL嘉泰姆

Charges Single Cell Li-Ion Batteries Directly fromxYL嘉泰姆

USB PortxYL嘉泰姆

Preset 4.2V Charge Voltage with ± 1% AccuracyxYL嘉泰姆

Charge Current Monitor Output for Gas GaugingxYL嘉泰姆

Automatic RechargexYL嘉泰姆

Charge Status Output PinxYL嘉泰姆

C/10 Charge TerminationxYL嘉泰姆

25μA Supply Current in ShutdownxYL嘉泰姆

2.9V Trickle Charge Threshold (CXLB7386)xYL嘉泰姆

Available Without Trickle Charge (CXLB7386X)xYL嘉泰姆

Soft-Start Limits Inrush CurrentxYL嘉泰姆

Available in TSOT-25, TDFN-6(3mm*3mm)xYL嘉泰姆

PackagexYL嘉泰姆

RoHS Compliant and 100% Lead (Pb)-FreexYL嘉泰姆

   应用范围 返回TOPxYL嘉泰姆

z Cellular Telephones/ PDAs/ MP3 Players xYL嘉泰姆

z Charging Docks and CradIes xYL嘉泰姆

z Bluetooth ApplicationsxYL嘉泰姆

   技术规格书（产品PDF) 返回TOP xYL嘉泰姆

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