77652-11 Mobile Phone IC
Efficient Connectivity for Next-Gen Devices
The 77652-11 Mobile Phone IC delivers seamless performance for smartphones and other mobile devices. Crafted with precision, this integrated circuit ensures reliable, high-speed connectivity, making it a cornerstone for advanced technologies. 77652-11 Mobile Phone IC
Powerful & Versatile Design
Whether you’re upgrading existing mobile devices or creating a new line of products, the 77652-11 Mobile Phone IC offers exceptional versatility. Its optimized power consumption and advanced functionality ensure your devices perform efficiently under all circumstances. 77652-11 Mobile Phone IC
Engineered for Reliability
Designed with state-of-the-art materials, the 77652-11 Mobile Phone IC enhances device reliability and longevity. Perfect for tech innovators, this IC guarantees consistent quality and enhances mobile user experiences, setting your products apart in the competitive market. 77652-11 Mobile Phone IC
The SKY77652-11 (often referred to simply as the 77652-11) is a high-performance Multimode Multiband (MMMB) Power Amplifier Module (PAM) manufactured by Skyworks Solutions. This IC is a critical component in the RF (Radio Frequency) front-end of modern smartphones, specifically designed to handle mid-band and high-band signal amplification for 3G and 4G LTE networks. 77652-11 Mobile Phone IC
Technical Overview
The module integrates several functional blocks into a single compact package to reduce the PCB footprint. It contains separate power amplifier paths for different frequency ranges, a Multi-Function Control (MFC) block, and internal 50-ohm matching circuitry. It is typically paired with a low-band counterpart (like the SKY77651) to provide full global frequency coverage. 77652-11 Mobile Phone IC
Technical Specifications Table
| Feature | Specification Details |
| Manufacturer | Skyworks Solutions, Inc. |
| Model Number | SKY77652-11 (SkyLiTE™ Series) |
| Function | Multimode Multiband Power Amplifier Module (PAM) |
| Supported Modes | WCDMA, HSDPA, HSUPA, HSPA+, TD-SCDMA, LTE (FDD/TDD) |
| Frequency Range | Mid-Band: 1710–2025 MHz / High-Band: 2300–2690 MHz |
| Control Interface | MIPI® RFFE (Mobile Industry Processor Interface) |
| Input/Output Impedance | 50 $\Omega$ (Internally Matched) |
| Supply Voltage ($V_{CC}$) | 3.0V to 4.5V (Optimized for APT DCDC) |
| Package Type | MCM (Multi-Chip Module), 28-pad SMT |
| Package Dimensions | 3.65 mm x 4.00 mm x 0.75 mm |
| Output Ports | 5 Mid-band outputs; 4 High-band outputs |
| Receive (Rx) Ports | 1 Mid-band Rx port; 2 High-band Rx ports |
| Power Efficiency (PAE) | ~29% to 36% (Mode dependent) |
Detailed Functional Breakdown
1. Supported Network Bands
The SKY77652-11 is highly versatile, supporting a wide array of 3G and 4G bands.
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3G (WCDMA/HSPA+): Supports various release versions including Release 99 and high-speed packet access.
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4G LTE: Compatible with channel bandwidths of 1.4, 3, 5, 10, 15, and 20 MHz.
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Carrier Aggregation (CA): Specifically designed to support TDD-LTE intra-band uplink carrier aggregation for Band 39, 40, and 41.
2. Efficiency and Power Management
The IC is optimized for Average Power Tracking (APT). In a mobile device, a DC-DC converter dynamically adjusts the $V_{CC}$ (supply voltage) sent to the 77652-11 based on the required output power. This ensures that the PA doesn’t waste energy as heat when the phone is close to a cell tower, significantly extending battery life.
3. Integrated Components
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InGaP Die: The Power Amplifier blocks are fabricated using Indium Gallium Phosphide (InGaP) Heterojunction Bipolar Transistor (HBT) technology, known for high linearity and efficiency.
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CMOS Controller: A silicon CMOS die manages the logic, bias control, and the MIPI interface.
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Matching Circuitry: Internal capacitors and inductors match the input and output to 50 $\Omega$, eliminating the need for bulky external tuning components on the phone’s motherboard.
4. Hardware Design and Installation
The module uses a Land Grid Array (LGA) or 28-pad MCM format. Because it is an SMT (Surface Mount Technology) component, it is highly sensitive to heat during repair.
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Leakage Current: The design features extremely low standby leakage current, which is vital for maintaining the “Standby Time” specifications of modern smartphones.
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Durability: The assembly is encapsulated in a plastic overmold, protecting the delicate GaAs (Gallium Arsenide) and silicon dies from environmental factors.
Common Applications
You will find the 77652-11 in a variety of mid-range and flagship smartphones that utilize Qualcomm or MediaTek chipsets. It is the “heavy lifter” for data-heavy tasks like streaming or 4G web browsing, as it handles the amplification of the high-frequency bands that carry the most data.
Repair Note
If a mobile device shows “No Service” or “Searching” on 4G bands but works fine on 2G, this IC is often a primary suspect. Because it is a BGA/MCM chip, replacement requires a professional hot-air rework station and precision soldering skills.
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