TIGRIS SN2400 Lithium Charging IC (U1401)

The Texas Instruments SN2400 Lithium Charging Management IC,, otherwise known as Tigris, is responsible for Charging function in the iPhone 6 onward.

The IC is commonly damaged from corrosion, or a shorted output for a long duration.

The TIGRIS IC is compatible with the iPhone 6 Plus, 6S, 6S Plus, SE, 7, and 7 Plus. Newer models require the TIGRIS2.

Read more about the Charging Circuit here: Charging, Batteries, HDQ/SWI – iPhones/iPads How does it work?