MCP73855EV: Li-Ion Li-Pol, USB Battery Charger

Summary

The MCP73855 Battery Charger Evaluation Board is set up to evaluate simple, stand-alone, linear charging of single cell Li-Ion/Li-Polymer battery packs (the battery packs are not included). The board design provides constant current charging followed by constant voltage charging with automatic charge termination.

As provided, the MCP73855 Battery Charger Evaluation Board is set for a fast charge current level of 85 mA. The MCP73855 is equipped with shutdown control, status indicator, and safety timers. Refer to the data sheet for details on the device features.

* Based on the eval board MCP73855EV-ND

Specifications

Manufacturer	Microchip Technology
Category	Power Management
Sub-Category	Battery Chargers
Eval Board Part Number	MCP73855EV-ND
Eval Board Supplier	Microchip Technology
Eval Board	Board not Stocked
Cell Type	Lithium Ion, Li-Ion Lithium Polymer, Li-Pol
Configuration	1 Cell
Voltage In	4.5 ~ 5.5 V
Voltage Out	4.2 V
Current Out	400 mA
Features	Auto Off Cell Preconditioning Cell Temperature Monitoring Current Limit (Adj. or Fixed) Fault Indication Reverse Polarity Protection Shutdown, Enable, Standby Status Indication
Quiescent Current [Typical]	830 µA
Sleep Mode Current [Typical]
Component Count + Extras	8 + 7
Application / Target Market	Audio: MP3 Players Battery Chargers Cell Phones Digital Cameras Portable Devices RF / Wireless USB Powered Devices
Design Author	Microchip Technology
Main I.C. Base Part	MCP73855
Quiescent Current [Maximum]	4 mA
Sleep Mode Current [Maximum]	4 µA
Date Created By Author
Date Added To Library	2011-03