The BQ25890HRTWT is an I2C controlled single cell 5A fast charger in 24 pin WQFN package. This charger with MaxCharge technology for high input voltage and adjustable voltage USB on-the-go boost mode. It is highly integrated switch-mode battery charge management and system power path management device for single cell Li-ion and lipolymer battery. The device supports high input voltage fast charging. The low impedance power path optimizes switch mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I2C serial interface with charging and system settings makes the device a truly flexible solution. It is used in smart phone, tablet PC and portable internet devices.
Support 3.9V to 14V input voltage range, optimize for high voltage input (9V/12V)
93% charge efficiency at 2A, 91% charge efficiency at 3A charge current
Low power PFM mode for light load operations, support down to 2.5V battery
Selectable 500KHz/1.5MHz boost converter with up to 2.4A output
93% boost efficiency at 5V at 1A output, accurate hicc-up mode overcurrent protection
Input current limit (100mA to 3.25A) to support USB2.0, USB3.0 standard and high voltage adapters
Input current optimizer (ICO) to maximize input power without overloading adapters
Resistance compensation (IRCOMP) from charger output to cell terminal
Highest battery discharge efficiency with 11mohm battery discharge MOSFET up to 9A
BATFET control to support ship mode, wake up and full system reset
