STMicroelectronics' USB-powered EPR overall solution has been certified by USB-IF, and the output power of a single power adapter is up to 140W


 

【Lansheng Technology Information】On April 11, 2023, STMicroelectronics announced that two USB Power Delivery (USB PD) Extended Power Range (EPR) chips have obtained USB-IF certification. These two chips are used for power supply/charging The adapter end (power supply) and device end (receiver) of the charger extend the output power range of the universal charger to 140W. Now, only one AC-DC adapter can charge most of the electric devices, such as computers, Smart home actuators, power tools, e-bikes, and traditional charging products such as mobile phones, tablets, smart watches.


Matteo Lo Presti, executive vice president of Analog, MEMS and Sensors Division, Analog Products Division, STMicroelectronics, said: "ST is a pioneer in the semiconductor industry and is now able to provide USB-IF certified reference designs and chips to meet customer requirements for high power, industry The need for a standard universal charger/adapter. By responding quickly, supporting USB Power Delivery EPR, and obtaining product certification, we are accelerating the USB-C® connector replacement of custom power plugs and DC adapters in many applications, using universal AC or DC Adapter charging, reducing cost and environmental impact."


Certified by USB-IF, the output power is up to 140W (28V@5A). REF_STUSB140W (powered chip) and ST-ONEHP (power chip) are the two halves of the overall USB PD reference design. The powered reference design ensures that designers have a cost-effective prototyping solution that is energy-efficient and seamlessly integrates USB PD. The ST-ONEHP chip is pre-installed with certified USB PD 3.1 EPR firmware.


In conclusion, the new USB solution helps to promote the wider adoption of the USB-C connector, charging with a common AC-DC adapter, which will reduce the number of adapters and e-waste carried by end users, while also reducing transportation costs and CO2 emissions.


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