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MCP1631RD-MCC1 MCP1631HV Multi-Chemistry Battery Charger Reference Design

The MCP1631 Multi-Chemistry Battery Charger Reference Design is a complete stand-alone constant current battery charger for NiMH, NiCd or constant current / constant voltage for Li-Ion battery packs. When charging NiMH or NiCd batteries, the reference design is capable of charging one, two, three or four batteries connected in series. If Li-Ion chemistry is selected, the board is capable of charging one or two series batteries. This board utilizes Microchip’s MCP1631HV (high-speed PIC® MCU PWM TSSOP-20) and PIC16F883 (28 pin SSOP). The input voltage range for the demo board is 5.5V to 16V.

• Input Operating Voltage Range:
• +5.5V to +16V (VIN > VBATT)
• Maximum of 2A Charge Current for single cell Li-Ion
• Charge NiMH, NiCd or Li-Ion Chemistries
• Charge 1 or 2 Cell Li-Ion Batteries in Series
• Charge 1 to 4 Cells of NiMH or NiCd Batteries in Series
• Select Chemistry and Cells using push buttons
• ON/OFF switch
• Charge Status Indication
• Programmable Charge Profile
• OV Shutdown
• Short Circuit Protection

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