The Internet of Things: What It Is What It Is
release：2017-07-09 10:29:00 source： browse：
Currently industry standard is in the transitionally period from microUSB to USB-C standard, In such a time, Qualcomm announced a New Qucik charge 4.0 standard, which supports USB-C and USB-PD (Power Delivery) the charging scheme. QC4.0 also pull in a Qualcomm's the next generation of Custom Negotiation of Power Management, "Intelligent negotiation for Optimum Voltage". New Negotiation is added thermal management in real time, and automatically sets the optimal charging power to the device. In addition Qualcomm introduces new power management IC, and integrate a number of new security measures, i.e. overload protection against current, voltage and temperature, also included on the quality and type of power cable identification, to protect the charger.