WCN 3988 Mobile Phone IC
Innovative Performance Meets Reliability
The WCN 3988 Mobile Phone IC is meticulously engineered to optimize the functionality of modern mobile devices, ensuring seamless connectivity and superior efficiency. Built with advanced technology, this Integrated Circuit (IC) stands as a powerhouse for mobile phone solutions, offering unrivaled performance that meets the demanding needs of today’s tech-savvy users. WCN 3988 Mobile Phone IC
Compact Design with Versatile Applications
Designed for space optimization, the WCN 3988 is a compact yet highly capable IC. Its size complements the trend toward slimmer and sleeker phone designs without compromising on the operational capability. Whether it’s enhancing wireless communication or streamlining power management tasks, this IC supports a wide range of applications, making it integral to next-generation mobile devices. WCN 3988 Mobile Phone IC
Why Choose WCN 3988? A Benchmark in Connectivity
What sets the WCN 3988 apart is its focus on providing exceptional connectivity. With robust support for wireless standards, this IC ensures stable connections and swift data transmissions, perfect for users and developers aiming to optimize mobile device performance. Its reliability guarantees longevity, reducing maintenance concerns while adding value to your product offering.
If you’re looking for an IC that blends efficiency, compact design, and dependable connectivity, the WCN 3988 Mobile Phone IC is the ideal choice to stay ahead in the ever-evolving mobile technology market. WCN 3988 Mobile Phone IC
The WCN3988 is a highly integrated, single-die wireless connectivity Integrated Circuit (IC) developed by Qualcomm. It is primarily used in mid-range smartphones and tablets powered by Snapdragon processors. This IC is a “combo” solution, meaning it manages multiple wireless protocols—specifically Wi-Fi, Bluetooth, and FM radio—on a single chip to save space and power.
Below are the detailed technical specifications and features for the WCN3988. WCN 3988 Mobile Phone IC
WCN3988 Full Technical Specifications
| Feature Category | Specification Detail |
| Manufacturer | Qualcomm Technologies, Inc. |
| Connectivity Standards | Wi-Fi (WLAN), Bluetooth (BT), and FM Radio |
| Wi-Fi Standards | IEEE 802.11a/b/g/n/ac |
| Wi-Fi Bands | Dual-band support: 2.4 GHz and 5 GHz |
| MIMO Configuration | 1×1 Single-input Single-output (SISO) / 1 spatial stream |
| Wi-Fi Throughput | Up to 433 Mbps (on 802.11ac) |
| Bluetooth Version | Bluetooth 5.0 / 5.1 (supports Bluetooth Low Energy / BLE) |
| Process Node | 14nm FinFET technology (optimized for low power) |
| Package Type | WLCSP (Wafer Level Chip Scale Package) |
| Pin Count | 82-pin (Typical) |
| Interface | SDIO 3.0, UART, I2C, and PCIe (architecture dependent) |
| Operating Temperature | -10°C to +60°C (Storage); 0°C to +50°C (Operating) |
| Typical Power Supply | 1.8V / 3.3V (Varies by host platform implementation) |
Key Features and Functional Overview
1. Wi-Fi Connectivity
The WCN3988 supports the Wi-Fi 5 (802.11ac) standard. While high-end chips often use 2×2 MIMO, the 1×1 configuration in the WCN3988 is designed for power efficiency and cost-effectiveness in mid-tier devices. It features advanced beamforming technology, which focuses the wireless signal toward the router to improve range and stability even in crowded environments.
2. Bluetooth & Audio
The chip integrates Bluetooth 5.1, offering improved pairing speed and reliability compared to older 4.2 modules. It supports:
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Low Energy (BLE): Essential for connecting wearables (smartwatches, fitness bands) with minimal battery drain.
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Qualcomm TrueWireless: Enhances the connection quality for wireless earbuds.
3. Integrated GNSS Support
Many implementations of the WCN3988 include a dedicated GPS/GNSS Low-Noise Amplifier (LNA). This helps the mobile device lock onto satellite signals faster and more accurately while consuming less power than an external amplifier.
4. Power Management
Manufactured on a 14nm process, the WCN3988 is exceptionally power-efficient. In idle mode, it draws very little current (roughly 5.2 µA), which significantly extends the standby battery life of mobile devices.
Common Use Cases
You will typically find the WCN3988 paired with mid-range Qualcomm Snapdragon SoCs, such as the Snapdragon 660, 665, 675, or 700-series. It is a common component in popular mid-range devices from manufacturers like Samsung (Galaxy A-series), Xiaomi (Redmi series), and Motorola.
Note for Repair Technicians: The WCN3988 is a BGA-style IC. If a device has greyed-out Wi-Fi or Bluetooth settings, this IC is often the culprit and requires professional soldering (reballing or replacement) to fix.
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