BQ24250C - Texas Instruments

BQ24250C Standalone Switch-Mode Li-Ion Battery Charger

The bq24250C is a highly integrated single-cell Li-Ion battery charger and system power-path management device targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that operates from either a USB port or AC wall adapter for a versatile solution. PART NUMBER bq24250C Device Information P.

Features

•1 High-efficiency Switch-mode Charger with Separate Power Path
• Start up 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
• 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 Ti.