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In Reply to: RE: RPi5 arrived! posted by Mike B. on November 26, 2023 at 20:13:10
Finally !! The 4GB units shipped first and it now appears that the 8GB units are making it out the door.
Follow Ups:
Good news. Yes, I got mine and have played with it a bit. It keeps telling me my power supply does not have the 5 amp capability. I can't try streaming with attached DAC and USB memory source.
I found this on the interwebs:
"The total power drawn from the four USB ports on Raspberry Pi 5 is limited by default to a nominal 600mA; this limit is automatically increased to a nominal 1.6A when the USB-C PD Power Supply is detected. "
That's crazy. I did order a 5 A unit but the holidays are slowing things down. I guess I am playing along with the claim the 4 A supplies are not adequate. The unit does seem faster over the Pi 4's I have.
I could be wrong but a "USB PD Charger / Supply" might be needed. There are several with various power ratings on Amazon for powering and charging tablets, phones, laptop computers.
What is a USB PD charger?
A USB-PD charger is a charger that supports the USB Power Delivery (USB PD) standard. Compared to traditional USB charging technology, it can provide higher power output and faster charging speed.
Features and advantages of USB PD chargers
New generation USB PD chargers fully integrate Quick Charge to satisfy quick charging needs. In addition to supporting various output voltages and currents, it can also support various 3C devices such as mobile phones, cameras and notebook computers simultaneously. This makes the areas of use of PD chargers more and more extensive. The following are the three main features of USB PD chargers, and the advantages that derive from these features:
1.Meets the outputs of various powers:
It can mainly be divided into five power specifications: 10W, 18W, 36W, 60W and 100W, and four voltage specifications are used: 5V, 9V, 15V and 20V. Different power outputs can be provided according to the requirement of connected devices, to realize more efficient charging. Currently, in order to unify the specifications, USB-PD chargers all adopted the Type-C connector; not only are the specifications of connectors unified, it can also support more devices.
2.Smart power management functions:
Power output can be adjusted according to the requirements of different devices to improve charging efficiency and prolong battery life.
3.Supports multiple power modes:
Able to support power modes including PPS, APDO and QC, and compatible with the quick charge needs of different devices.
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