Introduction: Nowadays, the USB type-c business machine is strong and strong. In addition to the positioning of notebook computers and mobile products, related peripheral products will also be swept over, and all kinds of terminal products will join the type-c camp.
In the rapidly changing market for wearables, tablets and smartphones, system designers are often under pressure to design the best functional products at the right time, while still taking into account the smallest size, energy and cost. This is very difficult. With the introduction of the USB type-c standard, the stunning appearance of the Apple Mac Book has made people realize the importance of the USB type-c and bring the dawn of the designer.
At present, major mainstream chip companies are increasing the promotion of USB Type-C related products, especially on the mobile phone side. More and more manufacturers in the market have begun to introduce mobile phones using USB Type-C interface. Although the PC side is not yet popular, but see a good phenomenon, Intel will be compatible with the USB Type-C interface, and the future USB Type-C will grow more rapidly, which will be more convenient to use.
USB Type-C those shiny spots
Compared to the previously common USB Type-A interface, USB Type-C has many advantages. First of all, the size is smaller. The Type-C port is 8.3 mm long and 2.6 mm wide. The traditional USB port is 14 mm long and 6.5 mm long, which reduces the area by 2/3, so it is especially suitable for ultra-thin notebook applications.
Secondly, USB Type-C supports a more flexible transmission type, supporting 10Gbps USB 3.1 transmission protocol, and also supports USB PD power transmission protocol, the power can be up to 100W, in addition to supporting dual Full HD and 4K UHD. The third is to solve the problem of positive and negative insertion.
From the USB Type-C interface definition, it is easy to see why the USB Type-C has these features.
It can be seen that the USB Type-C adopts a symmetrical manner, so the flipping does not affect the layout of the interface. There are 4 power and ground, so you can support USB PD high power mode. CC1 and CC2 are two key pins, which have the following functions: probe connection, distinguish between front and back, distinguish DFP and UFP; configure Vbus, have USB Type-C and USB PD modes; configure Vconn, when cable When there is a chip, a cc transmits a signal, and a CC becomes a power supply Vconn; other modes, such as Displayport, are configured.
TI
TI introduces the industry's first all-in-one USB Type-C and USB powered controller that integrates a port power switch and a port data multiplexer. The TPS65982USB PD controller is the industry's only integrated circuit that provides a complete power path and can operate as a single-purpose or dual-purpose port and supports a variety of host and device power implementations.
“TI has three divisions involved in USB TYPE-C related products, technologies and solutions. We have been involved in USB related fields for more than 20 years, from responsible for developing normative standards to providing reference designs, and providing promotion and training for USB, etc. Established our leading position in USB technology specifications," said Lucas Wan, business development manager for analog products in Texas Instruments.
Lattice
USB Type-C cable detection and power supply solution, fully utilize the USB Type-C interface function, the device supports cable detection to determine the cable direction and the type of equipment accessed, and supports power communication to achieve multi-party negotiation, such as power supply. Support and distribution of internal lines of the cable.
In terms of USB Type-C, Lattice's new solution, the first is adaptive low-power mode; the second is PD2.0-compliant and conforms to the USB Type-C 1.1 specification. In addition, the API architecture is also provided, and Lattice's Type-C solution comes with integrated analog switching. In addition to CC/PD negotiation, forward and reverse interpolation can be negotiated, and high-speed switching can also be performed. This high-speed switching uses USB3.1Gen1 or video switching, including DP1.3 HBR2, or MHL 6Gbps. The maximum switching speed can reach 6G, which can be used in USB3.1Gen1, 5G or DP1.3 HBR2. Or MHL-6Gbps is suitable for its switching.
NXP
USB Type-C is completely tailored to emerging product designs, offering a rich set of interface features that support "alternative mode." In addition to these improved features, its compact design and usability, as well as fully reversible plug-in operation and cable orientation, make USB Type-C easier for consumers to use, enabling a true plug-and-play experience.
According to Chen Yuyi, product marketing manager of NXP Semiconductors Greater China, NXP's AC/DC fast charging solution will increase the temperature of the transformer during charging, and the relationship between voltage and temperature can be understood as a seesaw, which can reduce efficiency. temperature. NXP is using this concept to promote the rapid improvement of fast charging efficiency and promote the continuous progress of the industry. At present, NXP can achieve more than 90% efficiency to help customers meet the stringent requirements of the US, EU and other markets.
Cypress
The Cypress Type-C to DP solution includes a USB Billboard Device Class that allows the adapter to communicate traffic to hosts that do not support DP. The Cypress EZ-PD CCG1 Type-C port controller is used to support DP as an alternative mode; the CY7C65210 full-speed USB 2.0 controller supports the USB Billboard Device Class. Interoperability of Cypress's Type-C to PD solutions with Apple® MacBook®, Google Chromebook Pixel, and many other systems.
Ajay Srikrishna, vice president of the Cypress USB product line, said: "The market demand for USBType-C is growing rapidly, which will inspire strong demand for adapters to interconnect with older notebooks, displays and other peripheral products. We are based on EZ -PD CCG1's Type-C to Display Port Adapter solution is fully responsive to this market. It is fully forward and backward, with reference circuit diagrams, EZ-PD CCG1 and Billboard Controller Device firmware, and firmware Updated refresh tool."
Renesas Electronics
Introduced a USB Power Delivery controller that supports the USB PD 3.0 specification. The new USB PD controller not only supports PCs and smartphones, but is also widely used in a variety of DC-powered devices including PC peripherals, AC adapters, projectors, robots and other consumer electronics.
In addition, Renesas Electronics will also launch a solution based on R9A02G011, combining Renesas Electronics' certified coprocessor and advanced power supply control technology to ensure the security, reliability, efficiency and durability of the future USB PD ecosystem. Contribute.
Analogix
The advantages of Type-C interface in terms of compatibility and convenience are favored by the market. There are also many mobile phone manufacturers involved in this field in China, and the corresponding USB PD charging technology standards have also developed rapidly. The USB Type C PD fast charging solution supports up to 100 watts of power, and supports both positive and negative insertions. More and more industry players will adopt this fast charging solution. At present, the Silicon Valley digital model has ANX7816+ANX7418 in the high-end machine, ANX7688 in the flagship machine, ANX7805+ANX7418 in the mid-end machine and Mississippi-2 on the flagship machine.
Xiao Yong, director of the Digital Valley System Division of Silicon Valley, said that the small size is only one of the many features of the USB Type-C. More demand for USB Type-C in the market is focused on forward and reverse insertion, high-speed data transmission, power charging and video. Data transmission, so it has all-in-one function. The standard specification cable with Type-C connector can pass 3A current, and also supports USB PD beyond the existing USB power supply capacity, which can provide up to 100W of power.
MediaTek
MediaTek grabs the new generation of fast charging technology Pump Express 3.0. Through this technology, the battery of a smart phone is fully depleted to 70%, and it takes about 20 minutes, twice the speed of other technologies on the market. It is worth mentioning that Pump Express 3.0 borrows the basic and economic scale of the USB Type-C interface to achieve a cost-effective fast charging system design. Pump Express 3.0 is the world's first solution to directly charge mobile phone batteries via the USB Type-C interface. This technology bypasses the internal charging line of the mobile phone and directly sends the charging current to the battery, thus preventing the mobile phone from heating up due to rapid charging.
Lin Shangyi, senior product manager of MediaTek Wireless Communications Division, pointed out that Pump Express 3.0 is fully compatible with the previous 1.0 and 2.0. Compared with the previous two generations of high-voltage charging, 3.0 uses low-voltage direct charging, plus support for two-way USB communication. It can achieve extremely high efficiency of over 96%. It takes only 20 minutes to charge the mobile phone battery from 0 to 70%, which is 5 times the traditional charging speed, which is twice the competition scheme on the market. Compared to 2.0, Pump Express 3.0 reduces power consumption by up to 50%.
From the current trend, high bandwidth, high speed transmission and multiple video modes are very important, and Type-C is very suitable for virtual and image transmission. Because the USB Type-C interface is just a new interface standard, it is still compatible with the data transfer technology that most OEMs are using, whether it is the existing high data transfer rate or fast charging.
Summary: Many mobile phone manufacturers are still promoting the USB Type-C interface. To be honest, the flagship of the USB Type-C interface is actually quite a few, such as Xiaomi 5 and Le Max Pro, but to become a mainstream standard, there may be very The long way to go.
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