It is no surprise that the product categories of millet eco-chain companies overlap each other. This time it is the ZMI purple rice and millet. Since the smell of wireless charging revived, millet and purple rice have joined WPC wireless charging. Alliance, to prepare for the incoming wireless charging, not long ago also finally released their own first wireless charging products. Today, charging head network to bring everyone is millet, purple rice wireless charger dismantling comparison, take a look at these two What is the difference between a door and a product?
Millet wireless charger, this product was released on March 27 with millet's first wireless charging phone millet MIX 2S, support ordinary 5W / millet 7.5W fast charge two charging modes. Whole body is white, using the PC shell + The material of silicone.
Purple rice wireless charger, which was launched in February this year in the form of crowdfunding, is now officially listed. It supports the common 5W + Apple 7.5W + Samsung 10W several charging modes. The overall use of black, using aluminum alloy shell + glass panel material structure.
One, millet wireless charger dismantling
There is no word on the front of the millet wireless charger box, only the product diagram on the white box.
The product information on the back of the box is as follows: Name: Millet Wireless Charger, Applicable models: Mi MIX 2S and (Qi) certified products, Material: PC+ Silicone, Manufacturer: Xiaomi Communication Technology Co., Ltd., Manufacturer: Kunshan Electronics Co., Ltd., Model: MDY-09-EF, Input: 5V2A / 9V2A.
List of unpacked items: Wireless Charger*1, Quick Start Guide*1, Service Card*1, does not include power adapter and data cable.
The whole surface of the millet wireless charger is all white. There is no LOGO text. The PC is used as the base material of the housing. The surface of the millet is covered with a thick layer of silica gel through a similar process of overmolding. The hand is soft and the mobile phone is put up. Has a certain non-slip effect will not fall.
The charging plate has a radius of 47mm and a thickness of 12.44mm. It adopts a USB-C input interface and supports 5V2A / 9V2A input.
In reverse, the bottom of the charger is glued with a non-slip rubber pad to prevent the charger from sliding during use.
Bottom nameplate information.
A green indicator light is hidden on the side edge of the wireless charger. The current charging status can be displayed. The green light is always on under normal charging, and the green light flashes when the protection mode starts.
The millet wireless charger is screwed up and down using the shell screws, and the rubber mat can be seen by screwing it out.
4 Phillips screws are screwed out.
At a glance, the left side is the bottom cover of the PC, and the right side is the PC+ silicone shell.
The details of the bottom cover of the PC, the use of stiffeners for the screw base.
All parts are mounted to the bottom of the cover. A black piece of metal underneath the PCB is a metal heat-conducting block. Spread the heat and distribute it to prevent heat from accumulating.
Top view of face cover assembly.
Top view of PCB.
PCB screws with loose screw adhesive.
Translucent is light guide light, below a black light tape to avoid light leakage.
Sink type USB-C socket, 4 foot vias welded very firmly.
The metal heatsink is fixed by clips and PCB screws and picks up the clips for further removal.
The metal radiating block is separated in the cover module.
The bottom cover uses 4 +1 pieces of soft polymer thermal paste to transfer the heat and heat.
A knife was used to scrape the metal block. The charging head net was found to be made of anodized aluminum material.
The temperature probe is placed in the middle of the coil to measure the temperature.
Coil solder joints with high saturation, flat side-mount chip LED, temperature probe pad glue glued to avoid vibration welding.
Look at the input, tvs protect instantaneous overvoltage, common mode inductance to prevent interference.
The coil drive section, vgsemi VS3622AE, can also be seen in winbond 25X40CL, which is a FLASH ROM chip, and may be updated in the future to follow the Qi version protocol update to support the updated protocol.
US IDT IDTP9237 wireless charging solution.
4 npo capacitors, high power guarantee.
All dismantling is completed.
