DC1645A-C: 2 Cell, 8.2V, 2A Max, Li-Ion/LiPo

Summary

Demonstration circuits 1645A-A, 1645A-B, 1645A-C and 1645A-D feature the LTM8061, a 32V, 2A μModule® Li-Ion battery charger. Operating from a 6.5V to 32V input source, the 1645A-A and 1645A-B demo circuits charge single cell Li-Ion batteries to float voltages of 4.1V or 4.2V respectively.

The 1645A-C and 1645A-D demo circuits operate from a 12V to 32V input source, and charge dual cell Li-Ion battery packs to float voltages of 8.2V or 8.4V. JP1 turns the converter on or off. JP2 allows for easy selection of C/10 or timer charge termination. The LTM8061 datasheet must be read in conjunction with this demo manual for working on or modifying the demo circuit 1645A.

Specifications

Manufacturer	Analog Devices Inc.
Category	Power Management
Sub-Category	Battery Chargers
Eval Board Part Number	DC1645A-C-ND
Eval Board Supplier	Analog Devices Inc.
Eval Board	Normally In Stock
Cell Type	Lithium Ion, Li-Ion Lithium Polymer, Li-Pol
Configuration	2 in Series
Voltage In	12 ~ 32 V
Voltage Out	8.2 V
Current Out	2 A
Features	Auto Re-Charge Bad Battery Detection Cell Preconditioning Cell Temperature Monitoring Current Limit (Adj. or Fixed) Shutdown, Enable, Standby Soft Start Thermal Protection Under Voltage Protection, Brown-Out
Quiescent Current [Typical]	85 µA
Sleep Mode Current [Typical]	15 µA
Component Count + Extras	6 + 23
Application / Target Market	Automotive Digital Cameras Portable Devices
Design Author	Linear Technology
Main I.C. Base Part	LTM8061EV -8.2
Quiescent Current [Maximum]
Sleep Mode Current [Maximum]
Date Created By Author
Date Added To Library	2011-05