BQ24093

www.ti.com BBQQ2244009911,,SBBLQQUS229446008H9922–,,JBBANQQU22A44R00Y992330,,10BB–QQR22E44V00IS99E55D,, BBAPQQR22IL442000992001 SLUS968H – JANUARY 2010 – REVISED APRIL 2021 BQ2409x 1-A, Single-Input, Single-Cell Li-Ion and Li-Pol Battery Chargers 1 Features Charging – 1% charge voltage accuracy – 10% charge current accuracy – Pin selectable USB 100-mA and 500-mA maximum input current limit – Programmable termination and precharge threshold Protection – 6.6-V overvoltage protection – Input voltage dynamic power management – 125°C thermal regulation; 150°C thermal shutdown protection – OUT short-circuit protection and ISET short detection – Operation over JEITA range via battery NTC – ½ fast-charge-current at cold, 4.06 V at hot, BQ092/3 – Fixed 10-hour safety timer System – Automatic Termination and Timer Disable Mode (TTDM) for absent battery pack with thermistor – Status indication – charging/done – Available in a small 10-pin MSOP package 2 Applications Smart phones PDAs MP3 players Low-power handheld devices 3 Description The BQ2409x series of devices are highly integrated Li-ion and Li-Pol linear chargers devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters. The BQ2409x has a single power output that charges the battery. A system load can be placed in parallel with the battery as long as t...