STMicroelectronics introduced the STUSB4500 stand-alone USB Type-C power transmission controller. The standard USB-C interface that combines power and charging combines convenience and environmental benefits. The STUSB4500 now extends these benefits to a wide range of consumer, industrial and medical products.
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The STUSB4500 is a stand-alone USB PD controller certified by the relevant industry. It is optimized for power-receiving applications powered by a USB-C cable. Users can easily customize the STUSB4500 settings according to their own application solutions.
Based on the default power profile (PDO) stored in the internal non-volatile memory, the STUSB4500 controller implements ST's proprietary algorithms and negotiates the transmission protocol with the power supply without any internal support (automatic mode). It is ideal for charging high-power profiles, especially for charging non-powered batteries. The application processor can then choose to dynamically modify the STUSB4500's power profile to force another power negotiation dialog.
The STUSB4500 supports multiple options to manage multiple input power channels and unrelated power supplies. With this controller built in, many 15W to 100W portable devices can replace a dedicated charger with a standard USB Type-C interface. These devices include toys, power tools, vacuum cleaners, office equipment, lighting, smart speakers, medical equipment, and more.
The STUSB4500 also enables small appliances such as small appliances connected to an AC power supply via a power cord to be converted into DC equipment at a low cost, thereby simplifying product design, downsizing, and weight reduction. It can also be turned into a battery-powered wireless device. Electrical appliances.
By upgrading the device to USB transmission through the STUSB4500 controller, the device can eliminate the need for a separate dedicated charger and power supply, improve the convenience of use and carrying, and reduce the environmental pressure caused by the waste electrical appliances after each product upgrade. The STUSB4500 controller also enables more flexible charging options, including fast charging or charging of battery packs above 5V.
The STUSB4500 is now available in a 4mm x 4mm QFN24 package. From mid-July, users can apply for engineering samples in smaller wafer-level packages.
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