MCP73853/5 Data Sheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifMCP73853/5 Data SheetThe MCP73853 is a highly advanced linear charge management controller for use in space limited, high-performance applications. The MCP73853 integrates most of the external components (pass transistor, reverse blocking protection, current sensing) and combines high-accuracy constant voltage, constant current regulation, cell preconditioning, cell temperature monitoring, advanced safety timers, automatic charge termination, and charge status and fault indication in a space-saving 16-pin, 4 x 4 QFN package. The MCP73853 is designed specifically for USB applications, adhering to all the specifications governing the USB power bus.
Parameter NameValue
Linear ModeYes
# of Cells1
Int/Ext FETInt
Vcc Range (V)4.5 to 5.5
Voltage Regulation Accuracy (%)0.5
Temperature MonitorYes
Charge Safety TimersYes
Max Thermal RegulationYes
Features
USB Compatible Charge Current Settings
Programmable Safety Charge Timer
Temperature Monitor
Thermal Regulation
Automatic Re-Charge
Automatic End-of-Charge Control
Status & Fault Indicators
–40°C to +85°C Ambient Operating Temperature Range
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