bq24050

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design bq24050, bq24052, bq24055 SLUS940C – SEPTEMBER 2009 – REVISED DECEMBER 2014 bq2405x 1-A, Single-Cell Li-Ion and Li-Pol Battery Charger With Automatic Adaptor and USB Detection 1 Features 1 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 – 30-V Input Rating; With 6.6-V Input 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 Through Battery NTC - ½ Fast-Charge-Current at Cold, 4.06 V at Hot – Fixed 10-Hour Safety Timer System – Auto Input Source Detection (D+, D– Pins) – No Device Transceiver Required – USB Friendly – Automatic Termination and Timer Disable Mode (TTDM) for Absent Battery Pack With Thermistor – Status Indication – Charging/Done – Available in Small 2-mm × 2-mm or 2-mm × 3-mm Package 2 Applications Smart Phones PDAs MP3 Players Low-Power Handheld Devices 3 Description The bq2405x 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 l...