Lenovo Xiaoxin 105W three port gallium nitride adapter was evaluated, three devices were charged at the same time, and the maximum PD 100W fast charging
Old PC FactoryassociationNot only have new products been launched continuously on the laptop, but also in the field of fast charging.Starting from 2023 small new series notebooks, we will comprehensively iterate from the traditional big black brick to the more portableCharger。
associationXiaoxin 105W gallium nitrideChargerIt is a notebook basedCharger, smaller than traditional power adapter, with more interfaces.Classic 2C1A three port, can support PD3.0 100W output, oneChargerSolve the charging problem of notebook and other electronic products.Now, let's take a look at thisChargerWhat is the actual performance of.
Unpacking Introduction
The packing box is printed on the white backgroundassociationXiaoxin logo and the product name "Xiaoxin 105W three port gallium nitride adapter". The middle area is the appearance diagram of the charger, and the pin end and USB port design can be clearly seen;The word "Lenovo" is printed on the lower right corner.
In addition to the relevant name words on the back of the packaging box, the output parameter information and product barcode information are pasted in the middle area.
Take out all items in the package, exceptassociationIn addition to the main body of Xiaoxin 105W three port GaN adapter, there are instructions and C to C charging wires.
associationThe Xiaoxin 105W three port gallium nitride adapter is made of high flame retardant PC material with a frosted shell. In addition to the Xiaoxin logo on the front, it is pure white and simple, with rounded corners and silky feel.
The output panel of Lenovo Xiaoxin 105W three port GaN adapter is configured with three 2C1A USB ports. The rubber core of the female port is black, and the USB port is printed with relevant name identification and maximum charging power.
The pin part adopts a folding design, which is convenient for users to store when traveling, and is not easy to scratch the case of other equipment.
The detailed parameters of the charger are printed on the pin end panel.
Model: XX105G1;
Input: 200-240V~1.2A 50/60Hz;
Single port output:
USB-C1:5V3A、9V3A、12V3A、15V3A、20V5A(100W Max);
USB-C2:5V3A、9V3A、12V2.25A、15V2A、20V1.5A(30W Max);
USB-A:5V3A、9V2.2A、10V1.66A(20W Max);
Dual port output:
USB-C1+USB-C2:65W+30W(95W Max);
USB-C1+USB-A:65W+20W(85W Max);
USB-C2+USB-A:30W+20W(50W Max);
Three port output:
USB-C1+USB-C2+USB-A:65W+30W+10W(105W Max);
Manufacturer: Lenovo (Beijing) Co., Ltd., with national CCC safety certification.
The complimentary wire is of type C to C, which is bound and fixed with magic cloth tie;The thread body is made of white TPE material.
The connection between the wire sub end shell and the wire body has a lengthened and thickened injection design, which is more resistant to bending and has a long service life.The shell is printed with the logo of Xiaoxin brand, and the words "100W" are floating on the injection molding part.
Close up of USB-C male head, full PIN design.
Read the wire information through the POWER-Z KM003C tester. The measured wire has an E-Marker chip, which supports 20V5A power transmission and USB 2.0 data transmission capabilities.
The length of the wire is about 152cm, which can meet the length requirements of desktop charging and connecting equipment.
The length of Lenovo Xiaoxin 105W three port GaN adapter is about 66.07mm.
The height of Lenovo Xiaoxin 105W three port GaN adapter is about 65.97mm.
The thickness of Lenovo Xiaoxin 105W three port GaN adapter is about 30.48mm.
Lenovo Xiaoxin 105W three port GaN adapter weighs about 206.7g.
The adapter is made of the third generation ultra-low impedance GaN semiconductor black technology material. In addition to better thermal conductivity and high temperature resistance, it is also significantly smaller than Apple 140W charger.
The charger occupies the entire palm area of an adult male, but it can be held with one hand for easy storage.
Protocol testing
Use the POWER-Z KM003C tester to test the Type-C1 port charging protocol, and the actual measurement supports charging protocols such as FCP, SCP, AFC, QC3+, QC5, SFCP, PD3.0, DCP, Apple 2.4A, and PPS.
In terms of PDO messages, Type-C1 port actually supports five groups of fixed voltage gears, namely 5V3A, 9V3A, 12V3A, 15V3A and 20V5A, and a group of PPS voltage gears, namely 5-20V5A.
Use the POWER-Z KM003C tester to test the Type-C2 port charging protocol, and the actual measurement supports charging protocols such as FCP, SCP, AFC, QC3+, QC4+, SFPP, PD3.0, DCP, Apple 2.4A, and PPS.
In terms of PDO messages, the measured Type-C2 port has five sets of fixed voltage gears: 5V3A, 9V3A, 12V2.5A, 15V2A, 20V1.5A, and a set of PPS voltage gears: 5-11V3A.
Use the POWER-Z KM003C tester to test the charging protocol of the USB-A port, and the charging protocols such as FCP, SCP, AFC, QC3.0, SFPP, DCP and Apple 2.4A are actually supported.
Charging test
Next, we will introduce you to this 105W adapter from the aspects of compatibility test, charging whole process test, standby power consumption test, etc. Users can match appropriate devices to achieve a better charging experience.
Charging compatibility test
This charging compatibility test is conducted separately from USB-A, USB-C1 and USB-C2.The following charging head network will test the compatibility of Lenovo Xiaoxin 105W three port GaN adapter with mobile phones.
Type-C1
Connect the MacBook Pro 16 M1 Max laptop to the Type-C1 port of the Lenovo Xiaoxin 105W three port GaN adapter, and match it with the original 100W charging wire. The measured power of POWER-Z KM003C is 19.88V 4.64A 92.32W.
Connect Meizu 20 Pro to Type-C1 port of Lenovo Xiaoxin 105W three port GaN adapter, and match it with the original 100W charging wire. The measured power with POWER-Z KM003C is 18.4V 3.57A 65.69W.
Summarize the data into a table. Most mainstream mobile phones can shake hands with 9V voltage. Devices with good compatibility can shake hands with 15V and 20V voltage, and have higher charging power.Similarly, for a laptop that supports PD 100W charging, its charging power can reach about 92W, and the Type-C1 port of the charger supports PD 100W output.
The histogram is drawn. The highest charging power is the MacBook Pro16 M1 Max laptop, with the measured power of 92.32W. At the same time, mobile phones, tablets and game handheld computers that support high-power PD fast charging all have good charging performance;In addition, this port supports the high-power PPS fast charging protocol. For terminal devices that support this protocol, such as Meizu 20 Pro mobile phones, their charging power performance will be further improved.
Type-C2
Connect Samsung S23+to Type-C2 port of Lenovo Xiaoxin 105W three port GaN adapter, and the measured power with POWER-Z KM003C is 8.8V 2.96A 26.09W.
Summarize the data into a table. From the above figure, it can be seen that the charging performance of the charger for all mobile devices is at the mainstream level. Mobile phones, tablets and laptops can respectively shake hands at the 9V/15V/20V voltage range;At the same time, the measured Type-C2 port can support up to PD 30W fast charging, which is consistent with the nominal value.
Draw a histogram, and you can see that the power fluctuates between 18-30W;The highest charging power is the MacBook Pro16 M1 Max laptop, which can reach 28.84W.
USB-A
Connect Huawei Mate 40 Pro mobile phone to Lenovo Xiaoxin 105W three port GaN adapter USB-A port, and the measured power with POWER-Z KM003C is 8.24V 2.22A 18.33W.
Summarize the measured data into a table. The mobile phone device can be tested at 5V and 9V voltage levels. The port supports the SCP fast charging protocol and has higher charging power for Huawei devices.
The histogram shows that the Huawei Mate 40 Pro mobile phone has the highest charging power of 18.33W, which is not much different from the nominal maximum power of 20W for port A, while the charging performance of other devices is the same as that of the USB-A port of the mainstream 100 watt charger.
Multi port simultaneous output test
When users have more intelligent devices that need to be charged at the same time, the power distribution of this charger also needs to be understood clearly, so as to charge terminal devices more quickly.
When two Type-C ports of the charger are used to charge the laptop and tablet simultaneously, the input power of the laptop terminal is 64.28W and the input power of the mobile phone terminal is 29.01W.
When charging the laptop and mobile phone through Type-C1 and USB-A ports of the charger, the input power of the laptop terminal is 64.29W and the input power of the mobile phone terminal is 15.55W.
During dual port charging, Type-C1 port supports PD 65W output, C2 port supports up to PD 30W output, USB-A port supports up to 20W output, and intelligent power distribution can ensure the charging of two commercial devices.
When charging the laptop and two mobile devices simultaneously through the USB port of the charger, the input power of the MacBook laptop terminal is 64.28W (Type-C1), the input power of the iPad tablet is 29.01W (Type-C2), and the input power of the iPhone mobile terminal is 13.03W (USB-A). The total power conforms to the official description of 65W+30W+15W three port 105W.
Full charge test
Place Lenovo Xiaoxin 105W three port gallium nitride adapter and Lenovo Xiaoxin Pro 14 in a 25 ℃ incubator, and connect the power supply. The test results are as follows.
After connecting the power supply, shake hands with the 20V voltage, and the power is stabilized at 51W for 12 minutes;Then the power was stabilized at 31W and lasted for 1 hour and 2 minutes;Then it drops in a "curve" and ends charging in 2 hours and 03 minutes.
The broken line diagram is drawn. It can be seen that the Xiaoxin 105W three port GaN adapter takes 38 minutes to charge Lenovo Xiaoxin Pro 14 to 50%, 1 hour and 06 minutes to charge 80%, and 2 hours and 03 minutes to charge 100%.
Place Lenovo Xiaoxin 105W three port GaN adapter and iPhone 15 Pro in a 25 ℃ incubator, and connect the power supply. The test results are as follows.
Handshake the 9.5V voltage after connecting the power supply, and the power is stable at about 21W in the first 16 minutes;Then the power drops to about 16W and continues to charge for 29 minutes;Then the power drops to about 11W and continues to charge until the 39th minute;Then the power drops to about 7W and continues to charge until 1h and 05min;Then the power continues to decline until the end of charging, which takes about 2 hours.
The broken line diagram is drawn. It can be seen that the Lenovo Xiaoxin 105W three port GaN adapter takes 25 minutes to charge the iPhone 15 Pro to 50%, 54 minutes to 80%, and 2 hours to 100%.
No load power consumption test
Whether or not the charger will waste power when it is plugged into the socket and not used, and how much power will be lost, are questions in the minds of many readers. The standby power consumption link is to answer this question.Plug the charger into the socket of the Becky power meter and read the data on the power meter. The test results are as follows.
According to the power meter test, the no-load power consumption of the charger under the voltage of 220V 50Hz is 0.24W, and the annual power consumption is about 2.1KW.h. If the market price is 0.6 yuan/KW.h, the annual power consumption of the charger is about 1.26 yuan.
Let's look at the no-load power consumption under 110V 60Hz voltage. The power consumption read by the power meter is 0.164W, which translates into about 1.4KWh of electric energy lost in a year. If the market price is 0.6 yuan/KWh, the annual electric charge of the charger is about 0.86 yuan.
Summary
After the above no-load power consumption test, the Lenovo Xiaoxin 105W three port GaN adapter is not used when it is plugged into the socket under 220V 50Hz voltage environment, and the electricity consumption is about 1.26 yuan a year;However, in the 110V 60Hz voltage environment, it is not used when it is plugged into the socket, and the electricity consumption is about 0.86 yuan a year.
Conversion efficiency test
In essence, the charger is a conversion device, and there will be losses in the process, which will be emitted in the form of heat;The power drawn by the charger from the socket is often larger than the power marked by the charger;The conversion efficiency of Lenovo Xiaoxin 105W three port GaN adapter was tested under 220V 50Hz and 110V 60Hz AC input respectively. The following figure shows the test results.
First, let's see how the conversion efficiency is under 220V 50Hz voltage. The overall conversion efficiency is between 80.86-90.15%;The highest conversion efficiency is 20V5A gear, and the conversion efficiency reaches 90.15%;The lowest conversion efficiency is 5V3A, and the conversion efficiency is 80.86%.
Then take a look at the conversion efficiency under 110V 60Hz voltage. The overall conversion efficiency is between 82.15-89.27%;The highest conversion efficiency is 20V5A gear, and the conversion efficiency reaches 89.27%;The lowest conversion efficiency is the 5V3A gear, and the conversion efficiency is 82.15%.
On the whole, the conversion efficiency of Lenovo Xiaoxin 105W three port GaN adapter under two types of voltage is at the mainstream level among similar chargers and performs well.
Ripple test
Since switching power supply is used in the charger, the secondary output of the transformer is not DC, which needs to be output through rectification and capacitor filtering, that is, the output of the charger will have ripple;The charging head network uses an oscilloscope to test the ripple value of the charger output, compare it with the industry standard, and test the output quality of the charger.The lower the ripple, the higher the output quality of the charger.
No-load ripple
First, take a look at the no-load ripple under the voltage of 220V 50Hz. The highest peak and peak value of the ripple is 12V0A, and the peak and peak value of the ripple is 36mVp-p;The lowest peak value of ripple is 15V0A, 5V0A, and the peak value of ripple is 30mVp-p.
Then let's see how the no-load ripple behaves under 110V 60Hz voltage. The highest peak and peak value of ripple is 9V0A gear, and the peak and peak value of ripple is 38mVp-p;The gear with the lowest ripple peak value is 12V0A, 5V0A, and the ripple peak value is 32mVp-p.
Load ripple
First, look at the load ripple under 220V 50Hz voltage. The highest ripple peak and peak value is 20V5A gear, and the ripple peak and peak value is 120mVp-p;The lowest peak value of ripple is 5V3A gear, and the peak value of ripple is 48mVp-p.
Then let's see how the load ripple behaves under 110V 60Hz voltage. The highest ripple peak and peak value is 20V5A gear, and the ripple peak and peak value is 106mVp-p;The lowest peak value of ripple is 5V3A gear, and the peak value of ripple is 42mVp-p.
Summary
In YD/T 1591-2009 communication industry standard, the ripple requirement of the charger is not higher than 200mVp-p. Lenovo Xiaoxin 105W three port GaN adapter, under the input voltage of 220V 50Hz and 110V 60Hz, all output power ripple peaks and peaks are not higher than 120mVp-p, which shows excellent performance.
Temperature test
The charger is a kind of conversion equipment. There will be losses during the charging process, which will be emitted in the form of heat, so the charger will generate heat.Lenovo Xiaoxin 105W three port gallium nitride adapter supports PD 100W output. Place the charger in a 25 ℃ incubator and collect the surface temperature of the charger after one hour of 20V5A load.
First, let's see how the temperature of the charger behaves under the 220V 50Hz voltage output.
One hour later, the maximum temperature of the charger surface photographed by the thermal imager is 57.1 ℃.
The maximum surface temperature on the other side of the charger is 61.5 ℃.
Let's see how the temperature behaves at 110V 60Hz.
One hour later, the maximum temperature of the charger surface photographed by the thermal imager was 58.8 ℃.
The maximum surface temperature on the other side of the charger is 62.7 ℃.
Summarizing the temperature data into a table, it can be seen that the surface temperature of the charger is higher than 57.1 ℃ as a whole under the voltage of 110V 60Hz 220V 50HZ, of which the maximum temperature of surface A is 58.8 ℃, and the maximum temperature of surface B is 62.7 ℃.
Plotting the data into a column chart, it can be seen that the maximum temperature of Lenovo Xiaoxin 105W three port GaN adapter at the output voltage of 220V 50Hz and 110V 60Hz is 62.7 ℃, both of which are lower than the specified limits for temperature in GB4943.1-2012. At the same time, the maximum temperature of the charger under load meets the requirements of IEC 62368 test for electronic and electrical equipment,The temperature shall not be higher than 77 ℃.
Summary of charging head network
Lenovo Xiaoxin 105W three port gallium nitride adapter continues its simple appearance design. It is made of pure white high flame retardant PC material, and its surface is sanded;Equipped with three mainstream 2C1A USB output ports, it can charge more devices at the same time and is compatible with mainstream charging wires.
In terms of charging performance, the Type-C1 port of Lenovo Xiaoxin 105W three port GaN adapter supports PD3.0 100W, which can provide about 100W of charging power for the MacBook Pro 16 M1 Max notebook;The other USB ports can achieve the nominal PD 30W and 20W output, which can provide good fast charging performance for mobile phones and game consoles.
The output quality of this charger is reflected through power consumption, ripple, conversion efficiency and temperature tests, and the standby power consumption is not more than 0.24W under 220V50Hz and 110V60Hz respectively;Except that the load ripple value at 20V voltage gear is higher, the other gears are not more than 42mVp-p, and the ripple value difference is small, and the output is more stable;The conversion efficiency of the charger belongs to the mainstream level, between 82% and 90%, and the PD 100W output gear is more efficient, reaching 90.15%.
On the whole, Lenovo Xiaoxin 105W three port GaN adapter performs well in energy efficiency, speed and temperature control. It not only has PD 3.0 100W, but also has more interfaces and smaller size than Apple 140W charger.In addition, it also has good performance in multi port fast charging. It can charge two laptops and one mobile phone at the same time, and both have relatively high output power.