Tristar Charging IC U4001 610A3B 36 Pin iPhone 7 and 7 Plus

The Tristar Charging IC U4001 610A3B is an integrated circuit with 36 pins located on the motherboard of iPhone 7 and iPhone 7 Plus. It manages USB power negotiation and Lightning port charging, making it a critical component for proper device charging.

Replace this IC when the iPhone 7 or iPhone 7 Plus does not charge via the Lightning port, displays the message "This accessory may not be supported", charges only intermittently, or does not recognize the charging cable at all.

Main features

• Type: Integrated Circuit (IC)
• Model: Tristar U4001 610A3B
• Pins: 36 pin BGA
• Function: Lightning port USB power negotiation and battery charging management
• Compatibility: iPhone 7 and iPhone 7 Plus
• Quality: Compatible replacement, not an original Apple component
• Quality control: QC Passed

Tristar IC Replacement iPhone 7

Replacing the Tristar IC U4001 610A3B restores USB power negotiation and Lightning charging on iPhone 7 and iPhone 7 Plus. This Tristar charging IC is the correct solution when diagnostics confirm the charging fault is caused by the U4001 chip.

Spare Part for iPhone 7 and 7 Plus

This spare part is specifically designed for iPhone 7 and iPhone 7 Plus motherboard repair. It addresses charging problems at their root cause rather than replacing the entire motherboard. Find out all the details of this spare part.

Compatibility

Compatible with:

• iPhone 7 — A1660, A1778, A1779, A1780 (32GB, 128GB, 256GB)
• iPhone 7 Plus — A1661, A1784, A1785, A1786 (32GB, 128GB, 256GB)

Not compatible with iPhone 6, 6S, 8, or any other model.

Package contents

• 1 x Tristar Charging IC U4001 610A3B 36 Pin

Installation note

Installation of this component requires advanced micro-soldering skills. The Tristar IC U4001 610A3B uses BGA (Ball Grid Array) packaging: it must be removed and resoldered under a microscope using hot air rework equipment and BGA soldering paste. This repair is recommended only for professional technicians experienced in motherboard-level micro-soldering. Incorrect soldering can permanently damage the motherboard.

Certifications and warranty

Every Tristar Charging IC U4001 610A3B is tested before shipment (QC Passed). The product is covered by the warranty provided by Italian Consumer Code (D.Lgs. 206/05). In case of replacement under warranty, the component must be intact and free from physical damage caused by incorrect installation. Product images are for illustrative purposes only.

Official documentation

• Apple Support — iPhone 7 technical specifications
• Terms and conditions of sale — iPhoneHospital.it

iPhoneHospital.it is an independent repair parts reseller and has no affiliation with Apple Inc. iPhone is a registered trademark of Apple Inc.