PM 7350C Mobile Phone IC
Advanced Performance for Mobile Devices
The PM 7350C Mobile Phone IC is engineered to deliver exceptional performance for today’s mobile devices. Designed with precision, this integrated circuit offers seamless compatibility and reliability to meet the demands of modern technology. PM 7350C Mobile Phone IC
Reliable and Energy Efficient
Thanks to its state-of-the-art design, the PM 7350C ensures a smooth workflow while maintaining energy efficiency. This makes it an ideal choice for manufacturers striving to deliver extended battery life in their devices. PM 7350C Mobile Phone IC
Compact Design, Exceptional Versatility
Crafted to fit compact devices, the PM 7350C Mobile Phone IC integrates easily into various designs, providing unparalleled versatility without compromising its robust functionality. Optimize your mobile devices with a small yet powerful innovation. PM 7350C Mobile Phone IC
The PM7350C is a high-performance Power Management Integrated Circuit (PMIC) developed by Qualcomm. It is primarily used as a secondary or “companion” PMIC in premium and mid-range 5G smartphones, particularly those powered by Snapdragon chipsets like the Snapdragon 778G or 8 series. PM 7350C Mobile Phone IC
Its main role is to regulate and distribute precise voltage levels to critical components such as the CPU, GPU, and camera modules, ensuring the device remains stable under heavy loads. PM 7350C Mobile Phone IC
PM7350C Technical Specifications
| Feature | Specification Details |
| Model Number | PM7350C (Revision variant: 002) |
| Manufacturer | Qualcomm |
| Type | Power Management IC (PMIC) |
| Regulators (SMPS) | 9 Fast Transient Switch-Mode Power Supplies + 1 High Frequency SMPS |
| LDO Regulators | 13 Low-Dropout (LDO) Linear Regulators |
| System Rail | Buck-or-Boost (BoB) SMPS Regulator |
| Interface | System Power Management Interface (SPMI) |
| I/O Support | 9 Configurable GPIOs |
| Display Support | Integrated RGB LED and Camera Flash Drivers |
| Package Type | 143-pin Fan-out Wafer-Level Nanoscale Package (FOWNSP) |
| Physical Dimensions | 4.82 mm × 5.16 mm × 0.57 mm |
| Pin Pitch | 0.40 mm |
| Thermal Protection | Integrated Over Temperature Protection (OTP) |
Key Functional Overview
The PM7350C is not a standalone chip but works in a “multi-PMIC” architecture. In modern 5G handsets, the power load is too great for a single chip. The PM7350C acts as a “slave” or “companion” to the primary PMIC (like the PM7325 or PM7350).
1. Power Regulation and Distribution
With 10 SMPS (Switch-Mode Power Supply) channels, the IC is designed for high-efficiency power conversion. It reduces battery voltage to the lower voltages required by digital logic circuits with minimal heat generation. The 13 LDOs provide “clean,” low-noise power for sensitive analog components like sensors and audio circuits.
2. Camera and User Interface Support
One of the distinct features of the “C” variant (PM7350C) is its dedicated support for camera hardware. It contains built-in drivers for the camera flash and RGB notification LEDs, reducing the need for external driver chips on the smartphone motherboard.
3. Thermal and Safety Management
The IC includes sophisticated monitoring tools. If the device’s internal temperature exceeds safe limits, the Over Temperature Protection (OTP) kicks in to throttle power or shut down specific rails to prevent permanent hardware damage.
Compatibility and Common Applications
The PM7350C is widely found in devices that require efficient 5G power management. Common models utilizing this IC include:
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Samsung: Galaxy A52s 5G (SM-A528), Galaxy A73 5G (SM-A736), Galaxy M52 (SM-M526).
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Xiaomi/Poco: Mi 11 Lite 5G, Poco X5 Pro, Xiaomi 12 Lite.
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Motorola: Edge 30 series.
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Other Brands: Realme GT Master Edition, Huawei Nova 10, and Oppo Reno 10 Pro.
Troubleshooting and Repair
In the mobile repair industry, the PM7350C is a frequent candidate for replacement when a phone suffers from:
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No Power: Total failure of the IC prevents the CPU from receiving its boot voltages.
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Charging Issues: Problems with the Buck-or-Boost (BoB) rail can lead to slow or no charging.
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Sudden Restarts: Instability in the SMPS transient response can cause the system to crash under load.
Note for Technicians: Replacing this IC requires advanced microsoldering skills. Because it is a BGA (Ball Grid Array) package with a 0.40 mm pitch, it requires a precision stencil and a hot-air rework station set to approximately 330°C–350°C for safe removal and installation.
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