Multi-cell, 4A, stand-alone buck Li-ion and Li-polymerymer battery charger with integrated MOSFETs 24-VQFN -40 to 85
4.2V 4A 13.5V VQFN-24 Power Management IC
BQ24171RGYR 2.1V 4A 13.5V VQFN EP Power Management IC
VQFN Power Management IC, 4A Output Current, 13.5V Output Voltage, 85°C Max Operating Temperature