Alpha and Omega Semiconductor Introduces a 20V, 7A Type-C Sourcing Protection Switch Designed to Enhance USB Type-C Efficiency and Safety
- AOZ1377DI supports up to 7A with an input voltage of up to 20V, making it versatile for Sink and Source applications.
- The device significantly reduces voltage drop and power loss compared to back-to-back p-channel devices.
- Ideal for high-power applications requiring multi-port Type-C PD 3.0 current source supporting up to 100W.
- Features True Reverse Current Blocking (TRCB) protection, internal current-limiting, short-circuit current limit, and industry's lowest ON resistance.
- Comes with protection features like UVLO, OVP, TSD, and consumes only 3uA in shutdown.
- Certified UL 2367 and IEC62368-1 for system compliance testing.
- Available in two variants: AOZ1377DI-01 with auto-restart and AOZ1377DI-02 with latch-off feature.
- None.
Insights
The AOZ1377DI Type-C Protection Switch by Alpha and Omega Semiconductor Limited represents a significant advancement in power management technology for USB Type-C applications. The device's ability to handle up to 7A current and its wide input voltage range from 3.4V to 23V make it a versatile solution for high-power applications. From an engineering perspective, the integration of back-to-back N-channel MOSFETs with a low ON resistance of 19 mΩ is noteworthy. This low resistance is critical in reducing voltage drop and power loss, which in turn enhances the efficiency of devices such as laptops and docking stations.
Furthermore, the True Reverse Current Blocking feature is a robust protection mechanism that ensures the safety of connected devices by preventing reverse current flow. Combined with the programmable current limit and comprehensive protection features like UVLO, OVP and TSD, the AOZ1377DI provides a highly reliable solution for manufacturers looking to incorporate Type-C ports into their products. The certifications from UL and IEC also underscore the device's compliance with industry safety standards, which is essential for gaining consumer trust.
From a market perspective, the release of the AOZ1377DI Type-C Protection Switch could position Alpha and Omega Semiconductor Limited favorably in the competitive semiconductor industry. As demand for high-performance computing devices and accessories with Type-C connectivity continues to grow, the need for efficient and safe power management solutions becomes more pronounced. The AOZ1377DI's advanced features and certifications may lead to increased adoption by device manufacturers, potentially boosting AOS's market share and revenue.
Moreover, the pricing strategy for the AOZ1377DI, at $1.356 per unit in 1,000-piece quantities, appears competitive, considering the advanced features offered. The 16-week lead time is within industry norms, suggesting that AOS is well-prepared to meet market demand. Investors should monitor the uptake of this new product as it may influence AOS's financial performance in the coming quarters.
Analyzing the supply chain implications, the immediate availability of the AOZ1377DI in production quantities indicates that AOS has effectively managed its manufacturing and inventory strategies. In the context of recent global supply chain disruptions, the ability to provide a 16-week lead time is indicative of a robust supply chain and may provide AOS with a competitive edge as rapid fulfillment can be a key differentiator. It is important for stakeholders to consider how the scalability of production for the AOZ1377DI will align with market demand, especially in a sector where rapid innovation cycles can quickly change the landscape.
Additionally, the thermally enhanced DFN3x3-10L package design is an example of AOS’s commitment to delivering high-quality components that can withstand the thermal demands of modern high-power applications. This design consideration could lead to higher customer satisfaction and lower warranty claims, positively impacting the company's reputation and bottom line.
The advanced features of the AOZ1377DI capable to support up to 7A at max 23VIN and programmable current limit, and true reverse current blocking protection
The advanced features of the AOZ1377DI capable to support up to 7A at max 23VIN and programmable current limit, and true reverse current blocking protection. (Graphic: Business Wire)
The AOZ1377DI offers advanced features that significantly reduce voltage drop and power loss compared to back-to-back p-channel devices typically used in such applications. The device supports an input operating voltage range of 3.4V to 23V, with both VIN and VOUT terminals rated at a maximum of 28V, and is capable of up to 7A. These devices are ideal for high-power applications requiring multi-port Type-C PD 3.0 current source supporting up to 100W. They are particularly well-suited for use in high-performance laptops, personal computers, monitors, docking stations, and other Type-C port applications.
The AOZ1377DI has a True Reverse Current Blocking (TRCB) protection, which prevents undesired reverse current from VOUT to VIN. It also features an internal current-limiting and short-circuit current limit that protects the source device from large load current. The current limit threshold can be set externally with a resistor. Furthermore, the integrated back-to-back MOSFET delivers the industry’s lowest ON resistance and highest SOA to safely handle high currents and a wide range of output capacitances on VOUT. An internal soft-start circuit controls inrush current from high capacitive loads, and an external capacitor can adjust the slew rate.
In addition, it has a wealth of protection features, including input Under-Voltage Lock Out (UVLO), Input Over-Voltage Protection (OV), and Thermal Shut Down Protection (TSD). In shutdown, the device consumes a mere 3uA.
“The AOZ1377DI offers a highly integrated solution for Type C sourcing up to 20V and is capable of sourcing over 140W for systems implementing a high-power source. To simplify system compliance testing, the AOZ1377DI is UL 2367 and IEC62368-1 certified,” said Jongchul Song, Sr. Marketing Manager for Protected Switch products at AOS.
AOZ1377DI comes in two variants: AOZ1377DI-01 will automatically restart once fault conditions are cleared, whereas AOZ1377DI-02 will latch the power switch off, and the EN must be reset to restart the device.
Technical Highlights
- Back-to-Back N-channel MOSFETs with 19 mΩ typical ON resistance
- 3.4 V to 23 V operating input voltage, VIN, and VOUT rated at 28 V abs max.
- Programmable Current Limit
- True Reverse Current Blocking (TRCB)
- Programmable soft-start, Short Circuit Protection (SCP), VIN discharge
- VIN Under-Voltage Lockout (UVLO), VIN Over-Voltage Protection (OVP), Thermal Shutdown Protection (TSD)
- IEC61000-4-2: ±8K
- IEC61000-4-5: 40 V on VOUT, no capacitor
- IEC62368-1:2018 (3rd Edition)
- UL2367 recognition
- AOZ1377DI-01 (Auto-Restart) and AOZ1377DI-02 (Latch-off)
- Thermally enhanced DFN3x3-10L package
Pricing and Availability
The AOZ1377DI-01 and AOZ1377DI-02 are immediately available in production quantities with a lead time of 16 weeks. The unit price in 1,000-piece quantities is
About AOS
Alpha and Omega Semiconductor Limited, or AOS, is a designer, developer, and global supplier of a broad range of discrete power devices, wide band gap power devices, power management ICs, and modules, including a wide portfolio of Power MOSFET, SiC, IGBT, IPM, TVS, HV Gate Drivers, Power IC, and Digital Power products. AOS has developed extensive intellectual property and technical knowledge that encompasses the latest advancements in the power semiconductor industry, which enables us to introduce innovative products to address the increasingly complex power requirements of advanced electronics. AOS differentiates itself by integrating its Discrete and IC semiconductor process technology, product design, and advanced packaging know-how to develop high-performance power management solutions. AOS’ portfolio of products targets high-volume applications, including portable computers, flat-panel TVs, LED lighting, smartphones, battery packs, consumer and industrial motor controls, automotive electronics, and power supplies for TVs, computers, servers, and telecommunications equipment. For more information, please visit www.aosmd.com.
Forward-Looking Statements
This press release contains forward-looking statements that are based on current expectations, estimates, forecasts, and projections of future performance based on management’s judgment, beliefs, current trends, and anticipated product performance. These forward-looking statements include, without limitation, references to the efficiency and capability of new products and the potential to expand into new markets. Forward-looking statements involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. These factors include but are not limited to, the actual product performance in volume production, the quality and reliability of the product, our ability to achieve design wins, the general business and economic conditions, the state of the semiconductor industry, and other risks as described in the Company’s annual report and other filings with the
View source version on businesswire.com: https://www.businesswire.com/news/home/20240411640894/en/
Mina Galvan
Tel: 408.789.3233
Email: mina.galvan@aosmd.com
Source: Alpha and Omega Semiconductor Limited
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