Hsinchu, Taiwan, May 4, 2022 – Weltrend Semiconductor (TWSE: 2436) today announced the release of the WT6676F and WT6677F, industry’s first USB Power Delivery (USB PD) controllers that support the USB PD Revision 3.1 specification. The WT6676F supports output voltages of up to 28V/36V while the WT6677F supports that of 28V/36V/48V.

The USB PD 3.1 specification is a major update on USB PD specification that allows delivering up to 240W of power over USB Type-C® cable and connector that supports more applications with higher power requirements such as larger notebook PCs, wireless hand tools, wireless household appliances, electrical bicycles and etc. Prior to this update, USB PD 3.0 is limited to 100W.

The WT6676F and WT6677F are highly integrated USB PD controllers that support USB PD 3.1 Standard Power Range (SPR) and Extended Power Range (EPR) specification as well as Qualcomm® Quick ChargeTM 4, Quick Charge 4+, and Quick Charge 5 technologies. It is designed for USB Type-C power source applications such as power adapters, wall chargers, car chargers, power strip, and etc.

The WT6676F and WT6677F both minimize external components by integrating USB PD baseband PHY, USB Type-C detection, shunt regulator, voltage and current monitors, NMOS load switch driver, an 8-bit MCU and VCONN power to allow small form factor and low BOM cost. Wide operation range (3.3V to 45V/55V) supports 5V to 36V/48V USB PD 3.1 SPR and EPR specification. A Multi-Time-Programmable ROM is provided for program code and user configuration data.

Wayne Lo, Senior Director of Product Marketing at Weltrend, will be speaking about the USB PD 3.1 specification and applications at the USB High-speed Interface Technology Forum hosted by Micro-electronics Magazine on May 11, 2022 at the NTUH International Convention Center. For details about the event, please click here.

About Weltrend Semiconductor Inc.

Founded in 1989 in the "Silicon Valley of Taiwan", the Science-Based Industrial Park (SBIP) in Hsinchu, Weltrend (TAIEX: 2436) is a leading fabless semiconductor company, also known as IC design house, specializing in the planning, design, testing, application development and distribution of mixed-signal/digital IC products across multiple applications. For more information, please visit www.weltrend.com.