Number of series cells 1 Charge current (max) (A) 3 Vin (max) (V) 10 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.44 Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck Control interface I2C Features USB D+/D-/BC1.2 integrated, USB OTG integrated Vin (min) (V) 4.2 Rating Catalog Operating temperature range (°C) to