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Tesla Tesla Model 3 Car Wireless Charger

Release time:
2019/11/05 13:41:16
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Tesla Model 3 represents the perfect combination of current car and cutting-edge technology, but unfortunately it does not have the front-mounted mobile phone wireless charging function. In order to allow Tesla owners to enjoy the convenience of wireless charging, Hewei Technology (Guangzhou) Co., Ltd. has launched a Model 3 dedicated car wireless charger, which is a minimalist product design that perfectly matches the original car.
 
It supports two mobile phones with dual 10W simultaneous wireless charging, in line with Qi standard and supports Apple 7.5W and Samsung, Huawei and other mobile phone 10W fast charging. In order to understand how the product is used, the next thing to bring to everyone is its unpacking and dismantling.
 
1, Tesla Model 3 car wireless charging box
 
 
The front of the package is printed with a product outline and the bottom of the package is marked with the English word for the Tesla Model 3 wireless charger.
 
 
The white box has a square design.
 
 
The two-layer suspension structure highlights the high-end temperament.
 
 
Open the top cover.
 
 
Package contents: wireless dual-charge host, car charger, installation line buckle, wipe paper, warranty card, manual, double-sided tape.
 
 
The car charger is designed in one piece and has a long wire. The car charger provides an additional USB charging port for QC3.0.
 
 
Car charger model: HW-V1; Input: 12V; Output: DC output 12V2A, USB output 5V3.0A, 9V2A, 12V1.5A.
 
 
The product consists of a main panel and a bottom baffle.
 
 
The product is black in color and has a trapezoidal appearance as a whole, which fits perfectly with the Tesla Model 3 central control storage box. The shape is simple and fits the overall style of the car.
 
 
The panel thickness is uniform. Anti-slip bars on the bottom side prevent the phone from slipping out.
 
 
The bottom baffle is streamlined and aesthetically pleasing.
 
 
The surface of the panel is frosted.
 
 
There are two rows of cooling air outlets at the top.
 
 
 
There are multiple fixed card slots on the back.
 
 
The DC DC round hole input power supply interface is located in the groove.
 
 
The middle two lines are air-cooled cooling air inlets.
 
 
Product Name: Car wireless charger; Specifications Model: HFC-1090; Adaptation model: Tesla Model 3; Input voltage: 12V; Output voltage: 5V3A, 9V2A, 12V1.5A; Output power: 10W / 7.5W /5W (Wireless charging); USB output power: 15-18W; Manufacturer: Hewei Technology (Guangzhou) Co., Ltd.
 
 
Anti-collision non-slip silicone strips are attached near the inside of the bottom to protect the phone from abrasion.
 
 
It can wirelessly charge two devices at the same time. It conforms to the Qi standard and supports 10W fast charging of Apple 7.5W, Samsung, Huawei and other mobile phones.
 
 
There are three LED indicators below, similar to the three-bar Model 3 model logo, from top to bottom are the charging indicator, fault indicator, power indicator.
 
2, Tesla Model 3 car wireless charger dismantling
 
 
Remove the foot pad.
 
 
Remove the back cover.
 
 
Two round black thick foams are adhered to the back cover surface to support the internal wireless charging coil.
 
 
The PCBA small board is connected to the main PCBA through the cable and is fixed to the bottom baffle with two screws.
 
 
Remove the screw and remove the PCBA small board with only a 9-pin cable connector.
 
 
On the other side, there is a power button, and 10 LEDs distributed symmetrically on the left and right sides, in addition to some chip resistors.
 
 
Then look at the main part, you can see the two sets of circuits, double coil, dual cooling fan design.
 
 
There are 4 cable interfaces on the PCBA. The upper middle cable is connected to the PCBA small board. The left and right cables are respectively connected to the cooling fan, and the lower right cable is DC input power supply.
 
 
 
The upper cable is close-up, the interface is glued to prevent loosening, and the internal cable card of the outer casing fixes the harness.
 
 
Built-in cooling fan, symmetrically distributed left and right, Shenzhen Zhongwei fan.
 
 
LEJOWE Zhongwei electronic ultra-thin silent fan, wireless charging dedicated, LD5005S05H, parameter 5V0.14A.
 
 
DC input power supply.
 
 
Power supply connector interface close-up.
 
 
The front side of the PCBA is close-up, and all the chip components are concentrated on it.
 
 
There is no information on the back of the PCBA.
 
 
Two independent wireless charging circuits use the Belland D9605+D9015 wireless charging solution. Let's take one of them as an example.
 
 
The new generation digital demodulation 15W wireless fast charging chip D9605 developed by Bayland is a 48M high-frequency wireless charging dedicated MCU. It supports Qi standard 5V/12V mode, implements WPC1.2.3 protocol, and is compatible with Samsung 10W. Fast charge, Apple (iPhone 8, iPhone 8 Plus, iPhone X) 7.5W fixed frequency fast charge mode. The D9605 with the current shipment is upgraded to the D9015 with the PowerStage.
 
 
D9605 details.
 
For detailed datasheet information, please reply to the keyword: D9605 in the background of WeChat public account.
 
 
The Belland analog chip D9015 is a PowerStage chip that can be used with the D9605 synchronous digital demodulation chip to implement the D9605+D9015 chip solution combination. The chip's built-in full-bridge power stage, 5V synchronous-rectified buck converter, 3.3V LDO can power the controller and other external devices. The D9015 integrated power stage can provide 5V power supply, reducing the number of external components and providing more functions.
 
 
D9015 details.
 
For detailed datasheet information, please reply to the keyword: D9015 in the background of WeChat public account.
 
According to the disassembly of the charging head network, the products using the Bayland solution include: Momiss MOMAX Q.Pad DUAL energy 5 dual wireless fast charge charger, MOMAX Momis Q.Mount 2 magnetic wireless charging car bracket , magic clip car bracket wireless charger, small magic clip intelligent automatic wireless fast charge mobile phone bracket, funxim happy Bluetooth speaker wireless charger.
 
 
Passive crystal oscillator, 12MHZ, two separate independent master ICs.
 
 
A buzzer that indicates an abnormal state.
 
 
Four NPO resonant capacitors are connected in parallel.
 
 
D9015 external buck inductor.
 
 
Electrolytic capacitor, 220μF, 25V.
 
 
TDK 15μH step-down inductor.
 
 
The IPMC5 is a buck converter with integrated synchronous switch and supports 10 kinds of output fast charging protocols. It provides a complete solution for car charger, fast charging adapter and intelligent socket; chip built-in power MOS, input voltage range It is 10.5V to 28V, the output voltage range is 3V to 12V, and it can provide 24W output power. It can automatically adjust the output voltage and current according to the recognized fast charge protocol. The typical output voltage and current are: 3V/3A, 5V/ 3A, 7V/3A, 9V/2.5A, 12V/2A, support DCP (Apple, Samsung and BC1.2), Qualcomm QC2.0/QC3.0, Huawei Fast Charge Protocol FCP/SCP, Spreadtrum Fast Charge Protocol SFCP. Through the data pin and D9605 directly connected to the fixed frequency voltage regulation.
 
 
Details.
 
 
Dingri DTM6601, MOS FET.
 
 
Feihong FHD50N06, MOS FET for input protection.
 
 
Dismantle the family.
 
Third, the charging head network disassembly summary
 
Tesla Model 3 car wireless charger, disassemble and found that the internal materials of the product are good. Use the third generation of intelligent integrated chip, car-level circuit board and high-power power conversion line set to ensure charging efficiency, air-cooling heat dissipation and multi-resistor circuit protection design, foreign object detection, over-voltage and over-current charging, over-temperature, FOD foreign body protection Functional, safe and efficient. The original car 12V power supply, no need to break the car broken line, non-destructive installation.
 
Using Bayland's highly integrated wireless charging solution (D9605 main control + D9015 power full bridge), with the British standard core IP6505 step-down to achieve fixed frequency voltage regulation, good compatibility, high integration, low BOM cost, easy product fast Production is listed.
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