(Hong Kong)
Product Summary
The MCP73812T-420I/OT is a linear charge management controller that is designed for use in space limited and cost sensitive applications. The MCP73812T-420I/OT provide specific charge algorithms for single cell Li-Ion or Li-Polymer battery to achieve optimal capacity in the shortest charging time possible. Along with its small physical size, the low number of external components required make the MCP73812T-420I/OT ideally suited for portable applications. The applications of the MCP73812T-420I/OT are (1)Low-Cost Lithium-Ion/Lithium-Polymer Battery Chargers; (2)Rechargeable Toys; (3)Electronic Cigarettes; (4)Bluetooth Headsets; (5)USB Chargers.
Parametrics
MCP73812T-420I/OT absolute maximum ratings: (1)VDDN: 7.0V; (2)All Inputs and Outputs w.r.t. VSS: -0.3 to (VDD+0.3)V; (3)Maximum Junction Temperature, TJ: Internally Limited; (4)Storage temperature: -65 to +150℃; (5)ESD protection on all pins: Human Body Model (1.5 kW in Series with 100 pF): ≥ 4kV; Machine Model (200pF, No Series Resistance): 400V.
Features
MCP73812T-420I/OT features: (1)Complete Linear Charge Management Controller; (2)Constant Current / Constant Voltage Operation with Thermal Regulation; (3)High Accuracy Preset Voltage Regulation: + 1% ; (4)Voltage Regulation: 4.20V; (5)Programmable Charge Current: 50 mA - 500 mA; (6)Minimum External Components Required: 2 Ceramic Capacitors and 1 Resistor; (7)No Preconditioning; (8)No End-of-Charge Control; (9)No Undervoltage Lockout (UVLO); (10)Automatic Power-Down when Input Power Removed; (11)Active High Charge Enable; (12)Temperature Range: -40 to +85℃; (13)Packaging: 5-Lead SOT-23.
Diagrams
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 MCP73812T-420I/OT |
Microchip Technology |
Battery Management Simple Integr Li-Ion /Li-Poly Chrg |
Data Sheet |
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