PMIV018 IC PMIV0108-001 POWER IC

Original Qualcomm PMIV0108 001 Power Management IC (PMIC) – Replacement Motherboard BGA Chip

1. Product Summary & Quick Highlights

• Product Type: Power Management Integrated Circuit (PMIC)

• Manufacturer: Qualcomm

• Marking Codes: PMIV0108 / 001 / Batch traces: PK436P45 05

• Form Factor: BGA (Ball Grid Array), high-density micro-soldering package

• Lead/Pad Layout: Fully pre-balled lead-free solder array ready for direct surface mount (SMD)

• Target Application: Board-level repair for premium smartphones, resolving power distribution, charging, boot loop, and voltage rail short circuits.

2. In-Depth Technical Overview

The Qualcomm PMIV0108 001 is a dedicated secondary/sub-system Power Management Integrated Circuit (PMIC) engineered to handle complex voltage regulation in high-tier Qualcomm Snapdragon platforms. Modern multi-tier smartphone motherboards rely on distributed PMIC architectures where specialized sub-PMICs manage high-drain peripheral rails, display interfaces, sub-regulated RF stages, camera ISP power pipelines, and high-efficiency buck/boost battery charging systems.

When an internal silicon gate breaches or a voltage line shorts due to moisture intrusion, drop-induced micro-fractures, or over-voltage surge events, the entire power distribution network (PDN) collapses. Replacing the faulty PMIV0108 restores proper boot sequencing, cleans up unstable low-dropout (LDO) rails, and revives dead or malfunctioning logic boards.

3. Common Symptoms of a Faulty PMIV0108 IC

Replacing this IC is typically indicated when performing micro-diagnostics on compatible motherboards displaying:

• Dead Boot / Zero Current Draw: Device fails to power on; DC power supply registers 0.000A or very low initial current without responding to the power button trigger.

• Primary / Secondary Rail Shorts: Low impedance or direct short-to-ground detected on motherboard buck inductors or surrounding filtering capacitors.

• Boot Loop & Freezing: System boots partially but crashes or resets as soon as high-load peripherals (cameras, modem, screen refresh) demand regulated voltage.

• Excessive Standby Battery Drain: Chip shows thermal hotspots under thermal camera inspection while the device is in idle/sleep mode (parasitic leak).

• Charging Circuit Failures: Device fails to recognize fast charging protocols, stops charging unexpectedly, or triggers battery temperature error alerts.

4. Key Engineering & Manufacturing Features

• Original Silicon Reliability: OEM-grade wafer fabrication ensures accurate output voltage tolerances and low internal resistance (R_{DS(on)}), preventing overheating.

• Factory Pre-Balled Micro-Solder Grid: Comes pre-balled with high-purity, uniform solder spheres, eliminating the immediate need for manual stencil reballing out of the packaging.

• Robust Thermal Profile: Engineered with a specialized substrate capable of withstanding the temperature cycles of modern lead-free hot-air soldering rework.

• Laser-Etched Markings & Pin-1 Indicator: High-contrast factory laser marking ensures clear readability of the part number, silicon version (001), production batch, and the corner Pin-1 orientation index dot.

5. Technical Specifications Table

6. Compatibility & Application Guide

Primary Compatible Brands & Models

This IC is widely utilized across Qualcomm-powered platforms from leading manufacturers, including:

• Xiaomi / Redmi Series:

  • Xiaomi 15 / 15 Pro series

  • Redmi K80 / K80 Pro series

• Vivo / iQOO Series:

  • Vivo Y300 Pro / Y300 Pro+

  • Select iQOO Neo and Z-series Qualcomm motherboards

• Oppo / OnePlus Series:

  • Oppo K12x / K12s series

  • Compatible OnePlus mid-to-high tier mainboards

(Note: Device motherboard revisions frequently change between regional variants. Always visually verify the part number on your damaged IC using a microscope prior to installation).

7. Rework Guidelines & Best Practices for Technicians

• Equipment Needed: Stereomicroscope, hot air rework station, micro-tweezers, high-grade BGA flux (no-clean recommended), desoldering wick, and PCB preheater.

• Thermal Profile Advice:

  • Preheating: Pre-warm the board to 100°C–130°C to minimize thermal shock and PCB warping.

  • Removal: Set hot air nozzle to approximately 330°C–360°C (depending on airflow, nozzle size, and motherboard copper layer density).

  • Cleaning: Gently clear old solder and residual conformal coating with solder braid and PCB cleaner.

  • Placement: Align the Pin-1 dot strictly with the motherboard silkscreen orientation mark before reflow.

• ESD Warning: Handle solely within an Electrostatic Protected Area (EPA) using grounded wrist straps and conductive ESD tweezers to protect delicate internal logic arrays.

8. Package Contents & Delivery Notes

• Included: 1× Qualcomm PMIV0108 001 BGA Power Management IC.

• Packaging: Sealed in anti-static ESD moisture-barrier blister tape / ESD shielding pouch to protect solder balls from deformation or oxidation.