Controller Enables Easy Migration To USB Type-C Charging

STMicroelectronics’ STUSB4500 standalone USB Type-C and Power-Delivery controller extends the environmental benefits that come with powering and charging from a standardized USB-C outlet to a wide variety of products. Optimized for sink-only applications powered through a USB-C cable, the device is a certified standalone USB PD controller that can be easily customized by the end-user to suit the application.

 

Based on default power profiles (PDO) loaded in an internal non-volatile memory, the IC implements proprietary algorithms to negotiate a Power Delivery contract with a source without any internal support (Auto-run mode), making it viable for automatic high-power-profile charging, especially from a dead-battery power state. An application processor can then optionally and dynamically change STUSB4500 power profiles to force another negotiation.

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The STUSB4500 supports multiple options to manage multiple input power paths and irrelevant power sources. With this device on-board, numerous types of portable equipment from 15W to 100W can replace a product-specific charger with a standard USB Type-C connection.

 

Equipment normally AC-powered through a captive mains cable, such as small kitchen appliances, can also cost-effectively become DC-powered to simplify product design. The STUSB4500 is in production now, in a 4 mm x 4 mm QFN24 package, priced from $0.75 each/1,000. Engineering samples in an even smaller chip-scale package (CSP) will be available from mid-July on request. The STUSB4500 evaluation board (STEVAL-ISC005V1) is available for $49.For more information, checkout the datasheet.    

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