The Dell 130W USB Type-C AC Adapter ships with the Dell XPS 15 9575 (2-in-1) to provide USB Power Delivery 2.0 charging through the convertible PC's Thunderbolt 3 ports. With a max 130 watts output, the adapter can rapidly charge the Dell PC using the common USB Power Delivery profiles of 5 watts (5 volts @ 1 amps) and 130 watts (20 volts @ 6.5 amps).
The Dell 130W USB Type-C AC Adapter is also the first 130W USB Power Delivery based power adapter in the market supporting 20V, 6.5A which is more than what USB-IF specs allow at 20V, 5A. Dell is going beyond the specs and the connector thickness reflects a lot of current is going through it. 6.5A is only advertised when the adapter is used with a appropriate Dell product like the Dell XPS 15 9575 (2-in-1).
The Dell 130W USB Type-C AC Adapter is affixed with a USB Type-C to Type-C cable to connect to the Dell XPS 15 9575 (2-in-1) for charging. The adapter supports the common 100 to 240 V AC power requirement for own charging as well as supplying the most popular DC charging voltage levels- 5V and 20V.
The adapter comes with a separate AC power cord which you need to plug in to connect the charger to a AC wall outlet for charging.
Like most Dell power adapters, the Dell 130W USB Type-C AC Adapter is bigger and more bulky than many other wall chargers in the market.
To look at the Dell 130W USB Type-C AC Adapter's power capabilities, we used the USB Power Test App from Granite River Labs with the Granite River Labs USB Power Delivery Compliance C2 Tester to generate the following test results.
The USB Power Test App first negotiates a power contract for every PDO supported by the Dell 130W USB Type-C AC Adapter, and increases the load gradually to find the threshold where over current protection (OCP) kicks in and voltage and current start to drop for safety reasons. The USB Power Test App also reports out all the PDO's supported by the Dell adapter and their OCP thresholds. The USB Power Test App then takes this data to produce an I-V curve which graphically shows the relationship between voltage and current for each PDO.
|PDO#1 Fixed: 5V 3A||3.58||119.2%|
|PDO#2 Fixed: 9V 3A||3.54||117.9%|
|PDO#3 Fixed: 15V 3A||3.51||117.1%|
|PDO#4 Fixed: 20V 3.25A||3.81||117.3%|
The USB Power Test App can also use the Granite River Labs USB Power Delivery Compliance C2 Tester integrated with the GW Instek APS-7100 programmable AC power supply to compare the charger's power output vs power input so that power efficiency can be measured and compared to regulatory limits from United States of Energy (DOE) Level VI or European Union's CoC Tier 2 requirements. We can repeat the power efficiency tests for different PDO's, current load conditions, and different AC input ranges, allowing us to get a complete picture of power efficiency ranges across all different usage scenarios.
We also verified using the USB Power Delivery Compliance C2 Tester from Granite River Labs to run just a subset of the full USB Power Delivery compliance test suite for the Dell 130W USB Type-C AC Adapter as below. Note some compliance failures were observed.
130W PD AC Adapter
Date and Time:
Controller and Instrument Information
GRL USB-PD_C2 Serial No.
GRL USB-PD Software Version
GRL USB-PD Firmware Version
GRL USB-PD Eload Firmware Version
RX mask Power selection
Cable IR drop Imp(R)
COMMUNICATION_ENGINE_TESTS CTS Version
Noise Pattern Generation:
*Since VIF was not loaded below test results are information Only.
Test cases Execution Time:
USB-IF High Level Mapping Summary
Test Group Description
BMC Physical Layer Transmitter
BMC Physical Layer Receiver
BMC Phyiscal Layer Miscellaneous
Power Source/Sink Primary
TDA.184.108.40.206 BMC PHY TX EYE
TDA.220.127.116.11 BMC PHY TX BIT
TDA.18.104.22.168 BMC PHY RX INT REJ
TDA.22.214.171.124 BMC PHY RX BUSIDL
TDA.126.96.36.199 BMC PHY TERM
TDA.2.2.1 BMC PROT SEQ GETCAPS
TDA.2.2.7 BMC PROT BIST NOT 5V SRC
TDA.2.2.9 BMC PROT GSC REC
TDA.188.8.131.52 POW SRC TRANS P PC
BMC Eye Diagram
We can see in the below trace screenshots taken using the GRL-USB-PD C2 Compliance Test Solution App how the Dell 130W USB Type-C AC Adapter charged the Dell XPS 15 9575 (2-in-1) over USB Power Delivery. The Dell PC started off charging with the adapter at initial PDO of 90 watts (20 volts @ 4.5 amps) which then eventually reached up to 130 watts (20 volts @ 6.5 amps) PDO for maximum charging.
Here we can also see the load trace that shows the Dell 130W USB Type-C AC Adapter supporting different voltage and current levels for charging which we generated using the GRL-USB-PD C2 Compliance Test Solution App.
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