The UPAMD standard creates a common interconnect for power delivery greater than 10 W and up to, but less than, 240 W to portable and fixed devices. This standard supports more universal use and reuse of power adapters replacing brand specific and model specific power adapters. The UPAMD adapter system may be usable in portable computing and entertainment systems, security, household and office equipment within the power range. Universality and reuse are among the primary driving factors. Communications may support the adaption of the powered device performance to the power available.The Universal Power Adapter for Mobile Devices (UPAMD) standard defines a power delivery connection between a power adapter and a power using device greater than 10 W and up to, but less than, 240 W. A communications link between the power adapter and the mobile power using device is also defined. The communications may be used to coordinate the power delivery and provide identification between the power adapter and the power using device. While intended for portable computing and entertainment devices, power adapters conforming to this standard may also be used with other devices.
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