BQ24251

Product Folder Sample & Buy Technical Documents Tools & Software bq24251: Not Recommended For New Designs Support & Community bq24250, bq24251, bq24253 SLUSBA1H – OCTOBER 2012 – REVISED AUGUST 2015 bq2425x 2A Single-Input I2C, Stand-Alone Switched-Mode Li-Ion Battery Charger With Power-Path Management 1 Features High-Efficiency Switched-Mode Charger With Separate Power Path Startup System From Deeply Discharged or Missing Battery USB Charging Compliant – Selectable Input Current Limit of 100 mA, 500 mA, 900 mA, 1.5 A, and 2 A BC1.2 Compatible D+, D– Detection In Host Mode (After I2C Communication Starts and Before Watchdog Timer Times Out) – Programmable Battery Charge Voltage, VBATREG – Programmable Charge Current (ICHG) – Programmable Input Current Limit (ILIM) – Programmable Input Voltage-Based Dynamic Power Management Threshold, (VIN_DPM) – Programmable Input Overvoltage Protection Threshold (VOVP) – Programmable Safety Timer Resistor Programmable Defaults for: – ICHG up to 2 A With Current Monitoring Output (ISET) – ILIM up to 2 A With Current Monitoring Output (ILIM) – VIN_DPM (VDPM) Watchdog Timer 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 – Thermal Shutdown – Voltage-Based, JEITA Compatible NTC Monitoring Input – Safety Timer 22 V Absolute Maximum Input Voltage Rati...