PD fast charging
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Summary
The introduction of the USB PD 3.1 specification has also had a significant impact on the design of fast-charging products. For example, surge protection. Although the USB PD (USB Power Delivery) standard has its own internal safety mechanisms to ensure proper negotiation and control between the charger and the device, external environmental factors and the design of the charger itself may introduce voltage spikes, resulting in the risk of device damage.