MCP73837/8 Data Sheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifMCP73837/8 Data SheetThe MCP73838 is a highly integrated full-featured linear Li-ion battery charger with both USB and AC-adapter inputs. Automatic Power Source Selection simplifies the design of battery chargers for applications that are powered from either a USB port or an AC adapter. For USB-powered systems, the MCP73838 specifically adheres to the current limits governed by the USB application. Also includes safety features such as cell temperature monitoring, on-chip thermal regulation and safety timers. Available in 10-pin 3mm x 3mm DFN package or 10-pin MSOP package.
Parameter NameValue
Linear ModeYes
# of Cells1
Int/Ext FETInt
Vcc Range (V)3.75 to 6.0
Voltage Regulation Accuracy (%)0.5
Temperature MonitorYes
Charge Safety TimersYes
Max Thermal RegulationYes
Features
USB or AC-adapter dual input full-featured Li-ion charger
Automatic Power Source Selection
Programmable charge current up to 1 A from AC-adapter
Integrated USB control with selectable 100mA and 500mA charge rates
Automatic charge control with selectable current threshold and safety timer
Safety timer enable input
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