PM 8916 Mobile Phone IC
Unmatched Performance for Mobile Devices
The PM 8916 Mobile Phone IC is a state-of-the-art processing chip designed to enhance the performance and efficiency of modern smartphones. This advanced integrated circuit ensures high-speed operations while maintaining optimal energy efficiency, providing users with a seamless mobile experience. PM 8916 Mobile Phone IC
Highly Reliable & Energy-Efficient
Engineered for durability and reliability, the PM 8916 IC excels in both multitasking and power management, making it a perfect choice for mobile devices that demand consistent performance. Say goodbye to overheating issues as this IC is crafted to handle intensive computing without compromising battery life. PM 8916 Mobile Phone IC
Compact Design, Maximum Capability
The compact yet powerful design of the PM 8916 makes it an ideal fit for space-constrained mobile architectures. Whether you’re developing flagship smartphones or budget devices, this integrated circuit brings exceptional value and robust functionality to the table.
The PM8916 is a highly integrated Power Management Integrated Circuit (PMIC) developed by Qualcomm, specifically designed to support the Snapdragon 410 (MSM8916) and Snapdragon 415 series chipsets.1 It is a critical component in mid-range smartphones and tablets, managing everything from battery charging and system voltage regulation to audio processing.2
Below is the comprehensive technical specification and breakdown for the PM8916 IC. PM 8916 Mobile Phone IC
Technical Specifications Table
| Feature Category | Technical Specification | Details / Parameters |
| Manufacturer | Qualcomm Technologies, Inc. | Original part of the MSM8916/APQ8016 platform. |
| Product Type | Integrated PMIC & Audio Codec | Combined power management and audio processing. |
| Package Type | 176-pin WLNSP / BGA | Wafer-level Nanoscale Package for compact design. |
| Physical Dimensions | ~6.2 mm x 6.2 mm | Height: Max 860 µm; Pitch: 400 µm. |
| Input Voltage Range | 2.7V to 4.5V | Optimized for single-cell Li-ion/Li-poly batteries. |
| Buck Converters (SMPS) | Multiple High-Efficiency Rails | Up to 95% efficiency; powers CPU, GPU, and RAM. |
| LDO Regulators | Up to 20+ Low-Dropout Rails | Low-noise outputs for RF, Camera, and Sensors. |
| Battery Management | Integrated Switching Charger | Supports JEITA temperature-aware charging. |
| Audio Features | Integrated Audio Codec | Class-D/Class-AB speaker amp; Headset output. |
| Communication Bus | SPMI / I2C / I2S | SPMI for power control; I2C for peripheral config. |
| Operating Temp | -40°C to +85°C | Industrial grade thermal reliability. |
Functional Overview
The PM8916 acts as the “heart” of the mobile device’s power system.3 It takes the fluctuating voltage from the battery and converts it into several stable “rails” required by different hardware blocks. PM 8916 Mobile Phone IC
1. Power Regulation (SMPS and LDOs)4
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Switching Mode Power Supplies (SMPS): These are high-current, high-efficiency converters that power the power-hungry sections like the quad-core Cortex-A53 CPU and the Adreno 306 GPU.5
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Low-Dropout Regulators (LDOs): These provide extremely “clean” (low noise) power.6 This is essential for the WTR4905 RF transceiver and the camera image sensors, where voltage noise can lead to poor signal quality or grainy photos.7
2. Battery & Charging Management
The IC includes a complete battery charging solution.8 It can detect the power source (USB or Wall adapter) and negotiate the maximum current. It also features a Voltage-Mode Battery Monitoring System (VM-BMS), which acts as a fuel gauge to accurately report the battery percentage to the Android or Linux OS. PM 8916 Mobile Phone IC
3. Integrated Audio Codec9
Unlike many stand-alone PMICs, the PM8916 integrates the audio subsystem.10
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Input: Supports multiple microphones (digital and analog) with Noise Cancellation (ECNS). PM 8916 Mobile Phone IC
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Output: Includes a Mono Class-D speaker driver for loud audio and a stereo headset driver. PM 8916 Mobile Phone IC
4. System Management & Safety
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Power-On Sequencing: Carefully manages the order in which the CPU, Memory, and Storage wake up to prevent system crashes.11
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Thermal Management: If the device gets too hot, the PM8916 can trigger a hardware-level shutdown or signal the CPU to “throttle” its speed. PM 8916 Mobile Phone IC
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Watchdog Timers: Monitors system health; if the software freezes, the PMIC can force a hard reset.12
Common Applications
The PM8916 is synonymous with the Snapdragon 410 era. You will find it in:
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Smartphones: Samsung Galaxy A3/A5, Xiaomi Redmi 2, Motorola Moto G (2nd Gen).
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Development Boards: DragonBoard 410c (widely used in IoT and robotics).
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Wearables & Tablets: Mid-range tablets and industrial handhelds.13
Pinout and Hardware Integration
The 176-pin layout is designed for dense PCB routing.14 It uses the SPMI (System Power Management Interface), a Qualcomm proprietary protocol, to communicate with the application processor. This allows the processor to dynamically change voltages (Dynamic Voltage Scaling) to save power when the device is idle.15
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