PM 6350 Mobile Phone IC

Optimize Your Device Performance

The PM 6350 Mobile Phone IC is engineered to elevate the performance of your mobile devices. Designed with advanced technology, this integrated circuit ensures efficient power distribution across your device’s components, optimizing energy consumption and enhancing overall functionality. PM 6350 Mobile Phone IC

Reliable and Durable Build

Built with precision, the PM 6350 IC is crafted for endurance and reliability. It is made to withstand varying conditions while ensuring consistent performance. Whether you’re building, repairing, or upgrading mobile devices, this IC is a dependable choice. PM 6350 Mobile Phone IC

Perfect for Modern Mobile Needs

With its compact design and cutting-edge functionality, the PM 6350 IC is a great solution for adapting to the demands of modern mobile technology. It is compatible with a range of devices, ensuring flexibility and seamless integration. PM 6350 Mobile Phone IC

The PM6350 is a highly integrated Power Management Integrated Circuit (PMIC) developed by Qualcomm. It is a critical component in the power architecture of mid-range and premium-tier 5G smartphones, notably those using Snapdragon chipsets. PM 6350 Mobile Phone IC

The primary role of the PM6350 is to act as the “heart” of the device’s electrical system, converting the single-cell Li-ion battery voltage into multiple stable voltage rails required by the CPU, RAM, 5G modems, and peripheral sensors.

PM6350 Technical Specifications

The following table summarizes the key technical parameters of the PM6350 IC:

Feature	Specification Details
Manufacturer	Qualcomm
Part Number	PM-6350-0-FOWPSP121 / PM6350-103 / PM6350-000
Package Type	QFN-48L / BGA (Ball Grid Array)
Input Voltage Range	$3.0\text{V}$ to $5.5\text{V}$ (Typical battery input)
Output Voltage Range	$0.8\text{V}$ to $3.3\text{V}$ (Variable across rails)
Output Current	Up to $3\text{A}$ per high-current channel
Switching Frequency	$\approx 1\text{MHz}$ (Optimized for small inductors)
Communication Bus	I²C / SPMI (System Power Management Interface)
Charging Support	Integrated fast-charging control and thermal monitoring
Operating Temp	$-40\text{°C}$ to $+125\text{°C}$ (Industrial Grade)

Key Features and Functional Subsystems

1. Dynamic Voltage Scaling (DVS)

The PM6350 supports advanced Dynamic Voltage Scaling. This allows the IC to communicate with the processor in real-time, lowering the supply voltage during idle tasks to save energy and spiking it during intensive tasks like gaming or 5G data transmission. PM 6350 Mobile Phone IC

2. Integrated Protection Mechanisms

To ensure device longevity, the PM6350 includes hardware-level safeguards:

Over-Voltage Protection (OVP): Shuts down rails if the input voltage exceeds safe limits.
Thermal Shutdown: Detects overheating (often caused by liquid damage or short circuits) and cuts power to prevent motherboard warping.
Under-Voltage Lockout (UVLO): Ensures the chip doesn’t attempt to operate on a critically low battery, which could corrupt data.

3. Multi-Rail Distribution

A modern smartphone requires different “clean” power lines. The PM6350 manages:

Core Rails: High-current, low-voltage lines for the CPU/GPU cores.
LDO (Low Dropout) Regulators: Low-noise power for sensitive components like the Camera Image Signal Processor (ISP) and Audio Codecs.
VPH_PWR: The primary system power line distributed across the PCB.

Device Compatibility & Common Applications

The PM6350 is most frequently found in devices using the Snapdragon 690 5G or Snapdragon 750G platforms. It is widely used in the following popular models:

Xiaomi: Redmi Note 9 Pro, Redmi 9, Poco M2 Pro.
Samsung: Galaxy A52 5G (SM-A526), Galaxy A42 5G.
Oppo/Vivo: Various mid-range 5G handsets.

Repair and Troubleshooting

In the mobile repair industry, a faulty PM6350 is a common culprit for “Dead Phone” scenarios. Technicians typically diagnose a failing PM6350 by checking for:

Short Circuits: Measuring the resistance on the capacitors surrounding the IC.
No Charging: If the device detects a charger but current ( $I$ ) stays at $0\text{A}$ .
Auto-Rebooting: Unstable voltage output causing the CPU to reset.

Note for Technicians: Replacing this IC requires professional BGA (Ball Grid Array) rework stations. The chip must be aligned perfectly and heated to approximately 250°C – 300°C (depending on the solder alloy used) for successful installation.

PM 6350 Mobile Phone IC