Since the release of the iPhone 15, the USB-C interface has been used in the whole series of interfaces, which is expected to increase the transmission rate to the USB-IF high-speed transmission specification, so as to meet the iPhone 15 video transmission, data transmission, high-definition audio and other applications. At this rate, the cable needs to be equipped with an E-Marker chip to mark the cable's data transmission capacity, so that the cable will not become a bottleneck,Affects high-speed data transmission.
The E-Marker chip is used to mark the power transmission capacity and data transmission speed of the USB-C cable. If the transmission current of the cable exceeds 3A, or supports data transmission above USB3.0, the E-Marker chip needs to be used to mark the cable.For the current fast charging of mobile phones, both high power and high current fast charging must use the E-Marker chip to mark the power transmission capacity of the cable to enable fast charging and fully charge the mobile phone in a very short time.
The charging head network learned that Zhirong has recently launched an eMarker chip SW2123, which supports USB4 2.0 and PD3.1 EPR 240W, and has passed the USB-IF certification with TID: 10796. Next, we will conduct a detailed explanation and evaluation.
Zhirong SW2123
SW2123 is the latest USB Type-C eMarker chip launched by Zhirong, which conforms to USB Type C 2.3 specification, USB PD 3.2 standard and USB4®standard.
The SW2123 adopts a capacitive free design, which can effectively reduce the chip size and simplify the circuit design.
SW2123 has passed the USB-IF certification with TID of 10796.
SW2123 supports Thunderbolt 3, Thunderbolt 4 and USB4® 2.0 80Gbps data communication, supporting extended power range (EPR) mode, up to 48V/5A power transmission applications.It also supports Get_Manufacture_Info messages by returning manufacturer information messages containing manufacturer information data blocks (MIDB).The customized data can be stored in the built-in OTP and programmed in the cable through the CC pin.
Close up of SW2123 on USB-C.
SW2123 supports SOP 'communication, structured VDM1.0 and 2. x, has its own burning storage unit (MTP), supports multiple burning, and can more easily update the information configuration of the device to adapt to changing needs and new technical standards.
The SW2123 was measured with POWER-Z KM003C. From the figure above, it can be seen that SW2123 supports the extended power range (EPR) function, can achieve power transmission up to 48V/5A, and is compatible with the USB4 2.0 standard.
SW2123 details.
SW2123 can operate within the power supply range of 2.7V to 5.75V, CC, VCONN1 and VCONN2 pins can withstand 55V, ESD static protection is above ± 8000V, DFN2 × 2-6L packaging is used, with an over temperature protection mechanism, and the operating temperature range is - 40 ℃ to 85 ℃. It is suitable for USB-C data line identification, USB4 passive data line and other fields.
Summary of charging head network
SW2123 is the latest USB Type-C eMarker chip launched by Zhirong. It adopts a capacitive free design and has passed the USB-IF certification. The certification TID is 10796. It supports Thunderbolt 3, Thunderbolt 4 and USB4® 2.0 80Gbps data communication, and extended power range (EPR) mode, up to 48V/5A power transmission.Manufacturer information data block can be stored in the built-in OTP and can be programmed through CC pin.With structured VDM1.0 and 2. x support, it has its own burning storage unit, which is suitable for USB-C data line identification, USB4 passive data line and other fields.
The release of USB4 has brought users faster data transmission speed and higher power output. High power, high-speed data transmission will be popular on more devices, and corresponding cables need to use more E-Marker chips.The E-Marker chip SW2123, which supports USB4, launched by Zhirong Technology can meet the needs of high-speed data transmission cables.