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MAX8724

Maxim Integrated Products
Part Number MAX8724
Manufacturer Maxim Integrated Products
Description (MAX1908 - MAX87xx) Low-Cost Multichemistry Battery Chargers
Published Oct 4, 2007
Detailed Description www.DataSheet4U.com 19-2764; Rev 4; 7/05 KIT ATION EVALU E L B AVAILA Low-Cost Multichemistry Battery Chargers General ...
Datasheet PDF File MAX8724 PDF File

MAX8724
MAX8724

Overview
www.
DataSheet4U.
com 19-2764; Rev 4; 7/05 KIT ATION EVALU E L B AVAILA Low-Cost Multichemistry Battery Chargers General Description The MAX1908/MAX8724/MAX8765 highly integrated, multichemistry battery-charger control ICs simplify the construction of accurate and efficient chargers.
These devices use analog inputs to control charge current and voltage, and can be programmed by the host or hardwired.
The MAX1908/MAX8724/MAX8765 achieve high efficiency using a buck topology with synchronous rectification.
The MAX1908/MAX8724/MAX8765 feature input current limiting.
This feature reduces battery charge current when the input current limit is reached to avoid overloading the AC adapter when supplying the load and the battery charger simultaneously.
The MAX1908/MAX8724/ MAX8765 provide outputs to monitor current drawn from the AC adapter (DC input source), battery-charging current, and the presence of an AC adapter.
The MAX1908’s conditioning charge feature provides 300mA to safely charge deeply discharged lithium-ion (Li+) battery packs.
The MAX1908 includes a conditioning charge feature while the MAX8724/MAX8765 do not.
The MAX1908/MAX8724/MAX8765 charge two to four series Li+ cells, providing more than 5A, and are available in a space-saving, 28-pin, thin QFN package (5mm × 5mm).
An evaluation kit is available to speed designs.
Features ♦ ±0.
5% Output Voltage Accuracy Using Internal Reference (0°C to +85°C) ♦ ±4% Accurate Input Current Limiting ♦ ±5% Accurate Charge Current ♦ Analog Inputs Control Charge Current and Charge Voltage ♦ Outputs for Monitoring Current Drawn from AC Adapter Charging Current AC Adapter Presence ♦ Up to 17.
6V Battery-Voltage Set Point ♦ Maximum 28V Input Voltage ♦ > 95% Efficiency ♦ Shutdown Control Input ♦ Charge Any Battery Chemistry Li+, NiCd, NiMH, Lead Acid, etc.
MAX1908/MAX8724/MAX8765 Applications Notebook and Subnotebook Computers Personal Digital Assistants Handheld Terminals PART MAX1908ETI MAX8724ETI MAX8765ETI Ordering Informati...


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