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