This article introduces application cases and selection strategies for chip inductors in portable products such as smartphones, Bluetooth speakers, and thin and light notebooks, meeting the purchasing needs of global consumer electronics customers.
I. Introduction: Balancing Size and Performance
With the growing demand for compact, high-frequency portable devices, SMD inductors have evolved to offer smaller sizes, higher current ratings, and improved quality factors. These components play vital roles in DC-DC converters, EMI filtering, and energy storage, directly impacting device stability and efficiency.
II. Technical Features and Common Structures
SMD inductors are typically designed with ceramic or shielded packaging, offering key advantages such as:
III. Application Scenarios
1. Smartphones and Wearables
In smartphones, Bluetooth headsets, smart watches and other terminals, chip inductors are widely used in:
2. Ultraportable Laptops and Tablets
These inductors must support higher switching frequencies and minimal thermal rise in lightweight laptops and tablets.
They are commonly deployed in Type-C fast charging modules, VRMs, and GPU/ISP power rails.
IV. Case Study: SMD Inductor Optimization in Bluetooth Speakers
A Southeast Asian client faced EMI and battery life issues in Bluetooth speaker designs due to the use of unshielded inductors.
By switching to TDK VLS3012CX-2R2M-1 shielded inductors, they reduced switching noise and EMI by 15%, improving power efficiency and playback duration.
V. Procurement & Selection Tips
Prioritize quality brands like Murata, TDK, Samsung, and Taiyo Yuden
Match specifications like rated current, inductance, saturation current, and DCR
Contact us for real-time stock or equivalent model cross-referencing
VI. Our Value-Added Services
We offer:
SMD Inductors | Portable Devices | Power Filtering | DC-DC Converters
EN
