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MCP73812 Datasheet PDF

Part Series:
MCP73812 Series
Category:
Battery Management
Description:
Battery Charger for 1 Cell of Li-Ion, Li-Pol battery, 6V input, 4.2V / 500mA charge, SOT-23-5
Updated Time: 2023/09/27 08:52:50 (UTC + 8)

MCP73812 Battery Management Datasheet PDF

MCP73812T-420I/OT - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
5 Pin
Supply Voltage (DC)
6.00V (max)
Case/Package
SOT-23-5
Input Voltage (DC)
3.75V (min)
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MCP73812T-420I/OT - Microchip Function Overview

The MCP73812T-420I/OT is a miniature single cell, fully integrated Li-Ion/Li-Polymer charge management controller in 5 pin SOT-23 package. This linear charge management controller is designed for use in space limited and cost sensitive applications. The MCP73812 provide specific charge algorithms for single cell Li-Ion or Li-Polymer battery to achieve optimal capacity in shortest charging time possible. Along with its small physical size and low number of external components MCP73812 is suitable for many applications. This charge controller employs a constant current/constant voltage charge algorithm. The constant current value is set with one external resistor. The MCP73812 limits charge current based on die temperature during high power or high ambient conditions. This thermal regulation optimizes the charge cycle time while maintaining device reliability.
Constant current/constant voltage operation with thermal regulation
High accuracy preset voltage regulation of ±1%
Voltage regulation of 4.2V
Programmable charge current range from 50mA to 500mA
Minimum external components required (2 ceramic capacitors and 1 resistor)
No preconditioning
Automatic power down when input power removed
Active high charge enable
Specified temperature range from -40°C to 85°C
External end of charge control
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