BQ24210

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24210 SLUSA76B – DECEMBER 2010 – REVISED JANUARY 2015 bq24210 800-mA, Single-Input, Single-Cell Li-Ion Battery Solar Charger 1 Features 1 Input Voltage Dynamic Power Management Feature (VBUS_DPM) Selectable Battery Tracking Mode to Maximize the Charge Rate from Solar Panel Using DPM Feature Load Mode to Support Loads Connected at VBUS Pin 20-V Input Rating, With Overvoltage Protection (OVP) 1% Battery Voltage Regulation Accuracy Current Charge up to 800 mA With 10% Charge Current Accuracy Thermal Regulation Protection for Output Current Control Low Battery Leakage Current BAT Short-Circuit Protection NTC Input Monitoring Built-In Safety Timer With Reset Control Status Indication – Charging/Power Present Available in Small 2-mm × 3-mm 10-Pin WSON Package 2 Applications Smart Phones PDAs MP3 Players Low-Power Handheld Devices Auxiliary Solar Chargers 3 Description The bq24210 device is a highly integrated Li-Ion linear charger targeted at space-limited portable applications. The battery is charged in three phases: conditioning, constant current and constant voltage with an IC thermal protection and safety timer. The charge current value is programmable through an external resistor.The high input voltage range with input overvoltage protection supports low-cost unregulated adapters. The input voltage regulation loop with programmable input voltage regu...