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CAN FD (CAN with Flexible Data-Rate)，是新一代車載網(wǎng)絡(luò)標(biāo)準(zhǔn)，比傳統(tǒng)的可以更高速（1Mbps以上）地收發(fā)更大容量數(shù)據(jù)（每幀最大64字節(jié)）的車載通信標(biāo)準(zhǔn)。DCMR (Differential to Common Mode Rejection）是指差模成分變換為共模成分變換量，滿足CAN所使用的共模扼流線圈要求的DCMR特性被分為3個(gè)Class，DCMR Class3是指其中最嚴(yán)格的DCMR特性。

近年來(lái)，汽車行業(yè)追求更加安全舒適的駕駛體驗(yàn)，通過(guò)引入ADAS（高級(jí)駕駛輔助系統(tǒng)）等，快速推進(jìn)汽車控制技術(shù)的高性能化發(fā)展。伴隨著當(dāng)前的發(fā)展趨勢(shì)，要求實(shí)現(xiàn)車載通信的高速化，加速將數(shù)據(jù)傳輸速度從1Mbps（字節(jié)/秒）的Classical CAN 向更加高速的CAN FD轉(zhuǎn)換。

因此，在支持CAN FD的片式共模電感產(chǎn)品系列中，除了原有的100μH外，岑科還新增了51μH的ACML3225F-510-2P-T”。該產(chǎn)品可有效降低 CAN/CAN-FD等汽車內(nèi)部網(wǎng)絡(luò)信號(hào)線的輻射噪聲。

CAN FD (CAN with Flexible Data-Rate) is a new generation automotive network standard that allows for higher-speed (above 1Mbps) transmission and reception of larger data payloads (up to 64 bytes per frame) in automotive communication. DCMR (Differential to Common Mode Rejection) refers to the transformation of differential mode components into common mode components, satisfying the DCMR requirements of the common mode chokes used in CAN. The DCMR characteristics are classified into three classes, with DCMR Class 3 being the most stringent.

In recent years, the automotive industry has been striving for a safer and more comfortable driving experience by introducing Advanced Driver Assistance Systems (ADAS) and rapidly advancing the performance of automotive control technologies. With the current trend, there is a demand for higher-speed communication in automotive systems, driving the transition from the Classical CAN's 1Mbps data transfer rate to the faster CAN FD.

Therefore, in the series of chip-type common mode inductors that support CAN FD, in addition to the existing 100μH variant, we have also introduced a new variant, the "ACML3225F-510-2P-T" with a value of 51μH. This product effectively reduces the radiated noise of internal automotive network signal lines such as CAN/CAN-FD.

ACML-F系列共模電感，分別應(yīng)用于CAN FD系統(tǒng)上，主要特點(diǎn)：

良好的共模噪聲抑制能力，優(yōu)異的電磁兼容性特性;
獨(dú)特的繞線方式實(shí)現(xiàn)產(chǎn)品的小尺寸;
工作溫度：-40~+150℃;
高可靠性、滿足AEC-Q200 認(rèn)證。

注：IEC62228-3實(shí)現(xiàn)了CAN-FD針對(duì)專用共模電感所要求的DCMR Class3。IEC62228-3是IEC（International Electrotechnical Commission即國(guó)際電工委員會(huì)）制定的有關(guān)電氣和電子技術(shù)的標(biāo)準(zhǔn)之一。

The ACML-F series common mode inductors are specifically designed for CAN FD systems and offer the following key features:

Excellent common mode noise suppression capability: These inductors effectively suppress common mode noise, ensuring high-quality signal transmission in CAN FD applications.
Outstanding electromagnetic compatibility (EMC) characteristics: The inductors exhibit superior EMC performance, reducing electromagnetic interference (EMI) and improving overall system reliability.
Compact design achieved through unique winding techniques: The inductors are designed with a unique winding method, enabling them to be compact in size while maintaining optimal performance.
Wide operating temperature range: The ACML-F series is designed to operate reliably in a temperature range from -40°C to +150°C, making them suitable for automotive and harsh environment applications.
High reliability and compliance with AEC-Q200: These inductors are built to meet stringent automotive industry standards for reliability, ensuring long-term operation in demanding conditions.

Note: The DCMR Class 3 requirement for dedicated common mode inductors in CAN FD is achieved according to IEC 62228-3. IEC 62228-3 is one of the standards developed by the International Electrotechnical Commission (IEC) for electrical and electronic technologies.

應(yīng)用于車載CAN FD系統(tǒng)上，其作用為濾除汽車內(nèi)部網(wǎng)絡(luò)信號(hào)線的輻射噪聲。

When applied in automotive CAN FD systems, their role is to filter out radiated noise from the internal network signal lines of the vehicle.

阻抗曲線（Impedance curve.）