Alpha And Omega Semiconductor Limited's Business Segments

We are a designer, developer and global supplier of a broad portfolio of power semiconductors. Our portfolio of power semiconductors includes approximately 1,900 products, and has grown significantly with the introduction of 200 new products during the fiscal year ended June 30, 2018, and over 80 and 90 new products in each of the fiscal years ended June 30, 2017 and 2016, respectively. Our teams of scientists and engineers have developed extensive intellectual properties and technical knowledge that encompass major aspects of power semiconductors, which we believe enable us to introduce and develop innovative products to address the increasingly complex power requirements of advanced electronics. We have an extensive patent portfolio that consists of 722 patents and 108 patent applications in the United States as of June 30, 2018. We differentiate ourselves by integrating our expertise in technology, design, manufacturing capability and advanced packaging to optimize product performance and cost. Our portfolio of products targets high-volume applications, including personal computers, flat panel TVs, smart phones, battery packs, quick chargers, home appliances, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment.

Alpha and Omega Semiconductor Limited is a well-established provider of a broad range of semiconductor products. The company primarily serves the analog market for power semiconductors and has developed a comprehensive product portfolio divided into two major categories: power discretes and power integrated circuits (ICs).

Power Discretes

The power discretes segment represents a significant element of the companys offerings, focusing on low, medium, and high voltage power MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors).

1. Low Voltage MOSFETs:
- These devices are tailored for applications requiring efficient power switching and current routing within power control circuits.
- The low voltage MOSFET series utilizes proprietary silicon and package technologies. They are developed based on extensive application knowledge across various market segments.
- Typical applications include:
- Load switching
- DC-DC conversion for CPUs/GPUs
- Smart phone chargers and battery packs
- Power supplies for laptops, desktops, servers, and data centers

2. Medium Voltage MOSFETs:
- Designed for optimum performance, the medium voltage MOSFETs emphasize high efficiency, robust performance, and reliability.
- Common applications include:
- Commercial television backlighting
- Telecom power supplies
- Industrial applications

3. High Voltage MOSFETs:
- The high voltage MOSFET portfolio has been significantly expanded with the introduction of the aMOS5 technology platform. This platform caters to the needs of robust consumer electronics and industrial applications.
- This segment also includes proprietary insulated-gate bipolar transistor (IGBT) technology, providing reliable solutions for applications like industrial motor control and white goods.

Power ICs

The power ICs segment includes products designed for power management, efficiency, and control of power delivery. These products are instrumental in regulating variables such as current flow and voltage levels in various applications.

1. EZBuck Power IC Family:
- The EZBuck series continuously evolves with products that boast lower on-resistance, reduced power consumption, and a compact footprint, suitable for thermally demanding applications.
- These ICs are particularly useful within:
- High-end TVs
- Set-top boxes
- Data storage systems
- Networking equipment

2. Integrated Solutions:
- The company employs a multi-chip design approach, effectively integrating MOSFET technologies into its power IC offerings. This approach facilitates the timely introduction of new products into the market, allowing for adaptations in power management without a complete redesign.
- This flexibility enables tailored solutions for different customers and applications, enhancing product performance across a spectrum of computing and power delivery scenarios.

3. Analog Power Devices:
- This category includes analog power devices aimed at circuit protection and signal switching. Features include:
- Transient voltage protection
- Electromagnetic interference filtering, which further enhances device reliability across applications such as laptops, tablets, smartphones, and other portable electronics.

Product Families and Applications

The following summarizes the key product families and their typical applications:

| Product Family | Description | Typical Applications |
||--|-|
| Power Discretes | Used for routing current and switching voltages in power control circuits | Smart phone chargers, data centers, industrial motor drives, and UPS systems |
| Power ICs | Power management and delivery systems | High-performance computing, industrial applications, mobile devices |
| Analog Power Devices | Circuit protection and signal switching | PCs, TVs, tablets, and consumer electronics |

Conclusion

Alpha and Omega Semiconductor Limited demonstrates a comprehensive capability to serve diverse markets through its extensive power discrete and IC offerings. The company’s focus on performance, efficiency, and application-specific solutions underlines its competitive edge in the power semiconductor landscape. With continuous advancements in technology and product development, the company is well-positioned to address the evolving needs of its customer base across various industries, including computing, telecommunications, consumer electronics, and industrial applications.