BQ24258

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24257: Not Recommended For New Designs bq24257 bq24258 SLUSBG0C – FEBRUARY 2013 – REVISED OCTOBER 2014 bq24257, bq24258 2-A Single Input I2C, Standalone Switch-Mode Li-Ion/LiFePO4 Battery Charger with Integrated Current-Sense Resistor 1 Features High-efficiency Switch-mode Charger with Integrated Current Sense Resistor BC1.2 D+, D– Detection with Dead Battery Provision (DBP) Pin-to-Sync with External USBPHI USB Charging Compliant Selectable Input Current Limit of 100 mA, 150 mA, 500 mA, 900 mA. 1.5 A, and 2 A Watchdog Timer with Disable Bit Integrated 4.9-V, 50-mA LDO Complete System Level Protection – Input UVLO, Input Overvoltage Protection (OVP), Battery OVP, Sleep Mode, VIN_DPM – Input Current Limit – Charge Current Limit – Thermal Regulation and Thermal Shutdown – Voltage Based, JEITA Compatible NTC Monitoring Input – Safety Timer In Host Mode, Programmable VBATREG, ICHG, ILIM, VIN_DPM, VOVP and safety timer in host mode (after I2C™ Communication and Before Watchdog Timer Times Out) In Standalone Mode, Resistor Programmable ICHG, ILIM, and VIN_DPM in Standalone Mode (before I2C™ Communication and After Watchdog Timer Times Out) 20-V Maximum Input Voltage Rating 10.5-V Maximum Operating Input Voltage Low RDS(on) Integrated Sense Resistor for up to 2A Charging Rate Open Drain Status Outputs Synchronous Fixed-frequency PWM Controller Operating at 3 MHz...