In addition to several fast -chargers that have been demolished by the Aohi Magcube series accessories, there are also products such as charging treasures, energy storage power supply, and each model. Each model is very exquisite. Recently, the charging head network has removed the AOHI Magcube magnetic wireless charging power supply. It only has the size of the bank card and the body is ultra -thin. It is a good partner for the new iPhone 13 series.
Today, I will continue to share with you another Magcube mobile power AOC-P008 disassembly. Its capacity is as high as 30000mAh, equipped with a 1A1C dual interface, supports up to 100W two-way fast charging, which can be used for laptop and mobile phones at the same time. And high -power fast charging point.
The charging head network has conducted a detailed evaluation of this charging treasure. The products are disassembled below to see how the materials work.
1. AOHI 30000mAh mobile power appearance
The front box is printed with the AOHI brand, the appearance of the charging treasure.
There are charging treasure parameters and three selling points marks on the back.
The packaging contains mobile power, data cable and instructions.
The attached cable is the CC line, and the two ends have a cornering design.
The length of the CC line is about 103cm.
Use ChargerLab Power-Z KM001C to measure the cable to support 20V5A 100W PD fast charging.
The main shell of the mobile power supply is made of PC+ABS. At the same time, it is decorated with aluminum alloy panels on the back of the positive back. The body of the charging treasure is flat, and the corner transition is round. Under the blessing of the metal panel, it not only feels high, but also has a dignified temperament.
The AOHI brand logo is designed in the lower right corner of the front of the fuselage.
Magcube P30 is designed in the upper left corner of the back.
There are multiple grooves on the side to increase user feel.
In addition, there are power keys and LED power indicators on this side, and the indicator light is bright orange light.
There are product parameters on the other side of the shell.
Product name: Magcube 30000mAh PD 100W 2-PORT mobile power supply
Battery model: Li-ION, 6INR22/71
Capacity of lithium ion battery pack: 3.6V/30000mAh
Rated capacity: 18000mAh (5V3A)
Battery box setting energy: 108WH
PD input: 5V3A, 9V3A, 12V3A, 15V3A, 20V5A 100W MAX
PD output: 5V3A, 9V3A, 12V3A, 15V3A, 20V5A, 3.3-21V5A 100 MAX
USB output: 5V3A, 9V2A, 12V1.5A
Total output: PD 65W+18W 83W MAX
Manufacturer: Shenzhen Oda Power Technology Co., Ltd.
The end is equipped with a 1A1C dual USB interface, and the glue core is yellow.
The length of the actual mobile power supply is 153.03mm.
The width is 87.95mm.
The thickness is 25.22mm.
In contrast to iPhone 13 Pro Max.
The intuitive feeling of holding in my hand.
The net weight is about 558g.
Use ChargerLAB POWER-Z KT002 to measure Apple 2.4A, Samsung 5V2A, DCP protocol, and QC2.0/3.0, FCP fast charge protocols.
In addition, the C -port supports QC4, PD3.0 and PPS fast charge protocols.
It also has five sets of fixed voltage gears of 5V3A, 9V3A, 12V3A, 15V3A, and 20V5A, as well as two groups of PPS voltage gears of 3.3-6V3A and 3.3-21V5A.
Use this mobile power supply to charge Apple MacBook Pro, use ChargerLab Power-Z KT002 to measure the output power of 19.95V 4.6A 91.75W, and successfully open the 100W PD fast charging.
Second, AOHI 30000mAh mobile power disassembly
Disassemble the fuselage shell and fix it with a card buckle.
At a glance of the internal layout of the mobile power supply, the battery pack consists of 6 batteries. The positive and negative poles are affixed with green tapered insulating paper. The tape insulation is pasted at the welding of the wire welding. In addition, there is a thermistor to monitor the temperature. The PCB board is set on the side, occupying a small space.
Take out the PCB board and battery pack. You can see that the other part is an isolation plate and glue inside the case, which are used for isolation insulation and fixed batteries, respectively.
Observation found that the battery nickel tablet is welded, which is the six series structures.
The battery pack cell cell comes from BAK BIK, model N21700CG-50.
Thermistor is written, glue and tape are fixed for battery temperature monitoring.
The voltage sampling cable of the battery pack and the PCB board is inserted to facilitate assembly, and the connection is reinforced by glue.
At a list of PCB boards, there are LED lights, power keys, protocol chips, etc. on the left end, and a lithium battery protection circuit at the right end.
On the other side of the PCB board, the capacitance, inductance and other devices are reinforced. There is a heat sink at the left end. The right end of the USB-A mother seat is affixed with a green pupa insulation paper.
Connect the slot close -up.
Two Sai Micro CW1274, 4 ~ 7 string lithium battery protection chips with class functions, supports lithium iron phosphate to high -voltage platform lithium batteries. The built -in battery equilibrium function and temperature detection function are very comprehensive. Use two CW1274 -level union to support 6 string battery protection applications.
Lithium battery protection MOS tube close -up, silk print B3016.
Yongming NPX series small -volume filtering solid -state capacitance is 35V 100 μF, which is used in the battery pack input and output filter. This series of capacitors has the characteristics of small volume, low ESR, high -capacity Xu pattern rod current, high reliability, switch resistance and other characteristics.
The charging head network learned that the Yongming NPX series of solid -state capacitors has previously been used by Anke 30W nitrogen nitrogen 镓 镓 能 能, Anke 65W nitrogen nitrogen 镓 镓 能 能 能, Anke 45W nitrogen olfactory 镓 镓 能 能 能 能 充 充 充Hua 镓 fast charging, Mumos 65W 2C1A nitride 化 fast charging, Bisi 45W 1A1C nitride olty charger, Nubia 65W tadpole nitrogen nitrogen charger and other products, in addition to small black, Pin Sheng, Bangkos and other brands such as 20W mini charges have been unanimously recognized by customers.
The USB-C portal synchronous lifting booster controller uses the South Core Semiconductor SC8815. The I 编C programmable charging current and charging voltage of this chip, the programmable discharge output voltage, the programmable input/output current limit; the built -in 10 -bit ADC; A variety of protection functions such as disconnecting protection; single chips complete charging/discharge control to support various power conversion.
Nanxin SC8815 information information.
The charging head network disassembled that the fast charging scheme of the Nanyin Semiconductor was widely used in the fields of mobile power, charger, car charging and other fields. 200W PD fast charging mobile power supply, Zhengtuo 100W two -way fast charge mobile power SUPERTARTARTARTARTANK PRO, Samsung 10000mAh 25W PD fast charge mobile power, Xiaomi 20000mAh mobile power 50W super flash charge version and other dozens of products.
Nanxin SC8101 Synchronous antihypertensive converter chip, which is a power supply to USB-A port. The SC8101 supports 5V-32V wide range input voltage. By setting the voltage resistor, the output voltage is adjusted to adjust the voltage of 5.1 volt or customized.
The SC8101 also provides high -precision output current limit. When the output reaches the set current limit, the inverter enters the constant current (CC) mode; the total output power can be programmed by a resistor, which is convenient for constant power control. The built -in switch can provide 5V5A output.
Nanxin SC8101 integrates 45MΩ high -side NMOS and 30MΩ low -edge NMOS, achieving high efficiency. In addition, a low -end door driver (LSD) is provided to drive the external NMOS and works with the built -in NMOS; the programmable line loss compensation is used, the programm can be set, the external component is the least, which can achieve the maximum function of different applications for users; Using 3X3X0.55mmqfn packaging, ultra -thin and small can be placed inside the small space.
The charging head network learned that Nanxin SC8101 has previously been by Anke Powerhouse II 400 outdoor power, Nubia Mimimon Magnetic carrier -loading wireless charger, Anke magnetic suction dual wireless charger, Huawei P40 mobile phone protective case, Xiaomi Mi The two -in -one charger and other products are adopted.
There are also two B3016 MOS tubes in the middle of the board, which is used for lifting and boost conversion of the USB-C interface circuit.
Another group of B3016 MOS tube close -ups.
The magnetic ring lifts down the voltage and the electrostatoscope reinforcement, combined with the controller and MOS tube to form a lifting voltage voltage circuit.
Due to the volume limit, two inductors are connected.
100 alloy inductor close -ups for anti -voltage output.
C -port fast charge protocol chip uses Xinhai Technology CS32G020K8U6. This chip is suitable for PC power adapters, mobile phone fast chargers, high -power mobile power, car charging, USB HUB and other fields. Xinhai CS32G020 built -in ARM M0 kernel, 48MHz main frequency, built -in 64K program memory, 4KB LDROM, 8K SRAM, supports wide -range industrial control applications and high -performance processing scenarios, and provides QFN24 and QFN32 packaging.
The charging head network disassembled that the chip has been applied to mobile power products such as Nubia, RAVPOWER, Siyou, Green Lian, Yubo, Zhengtuo, Cheero, Elecjet, and henglisam.
Silk printing 6228A regulatory tube.
The LED power indicator is specially written with foam anti -string light.
There are three same filter capacitors near the interface, all of which are Yongming NPX series, with a specification of 35V 100 μF, which are used to input and output filter.
The MOS tube of the two silk printing B3103 is used for the USB-C port input and output switching protection.
USB-A port output protection tube, silk print RU8205A.
USB-C’s close-up, over-hole welding.
USB-A mother is close-up.
After all the disassembly was dismantled, come to Zhang Quanjia portrait.
Summary of charging head network disassembly
AOHI’s mobile power supply is made of PC+ABS shell and has a V0 -level fire prevention capacity. In addition, the positive back is decorated with Apple Computer Aluminum Alloy Panel, which implements the high -value characteristics of the MAGCUBE series of products. Equipped with 1A1C dual -interface support QC, PD, PPS fast charge protocol, which has good compatibility with most brand mobile phones, tablets and laptops in the market. 30000mAh capacity and 100W two -way fast filling meet the needs of large -capacity, high -power fast charging treasures.
The charging head network was disassembled and found that the mobile power battery group was connected in series by 6 Bike N21700CG-50 batteries. Each battery was insulated. The board is isolated, and it is equipped with a thermistor to monitor the temperature.
The PCB board is equipped with two micro-CW1274 protection chips to protect the battery pack. In addition, there is a lifting and booming circuit for the USB-C port input and output. With SC8101, the protocol chip adopts core sea technology CS32G020k8u6 to achieve fast charging input and output. The inductance, capacitors and other devices on the board are reinforced, and the overall materials work well.