Key features and benefits of the first two OPEN Alliance Ethernet compliant ESD Protection devices
| PESD2ETH100-T For 100BASE-T1 Ethernet | PESD2ETH1G-T For 100/1000BASE-T1 Ethernet |
|---|---|
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Target applications
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ESD protection for in-vehicle network lines in automotive environments
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OPEN Alliance 100BASE-T1 Ethernet and 1000BASE-T1 Ethernet
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Low-Voltage Differential Signaling (LVDS) automotive
Rethinking ESD Protection Requirements
The OPEN Alliance (One-Pair Ether-Net) Special Interest Group (SIG) is a non-profit alliance of mainly automotive industry and technology providers. One key goal is to enable the deployment of the existing IEEE 100BASE-T1 and 1000BASE-T1 physical layer specifications with complementing specifications for conformance and interoperability.
Discrete ESD protection devices take a crucial role when it comes to system level robustness and new requirements needs to be considered. When there is either no ESD protection or it is located at the PHY, then the power of ESD strikes would pass the CM termination, DC Block and CMC. If however the ESD protection device is placed right at the connector (see Figure below) it not only protects the PHY but also the common-mode choke (CMC) and passives.
Arrangement of ESD suppression device within the 100BASE-T1 MDI interface, OPEN Alliance SIG (2019)
Blog article - OPEN Alliance: Get the right ESD protection placement
Products
Automotive qualified products (AEC-Q100/Q101)
| 型號 | 描述 | 狀態(tài) | 快速訪問 |
|---|---|---|---|
| PESD2ETH100-T | ESD protection for In-vehicle networks | Production | |
| PESD2ETH1G-T | ESD protection for In-vehicle networks | Production |
ESD protection, TVS, filtering and signal conditioning
| 型號 | 描述 | 狀態(tài) | 快速訪問 |
|---|---|---|---|
| PESD2ETH100-T | ESD protection for In-vehicle networks | Production | |
| PESD2ETH1G-T | ESD protection for In-vehicle networks | Production |
Documentation
| 文件名稱 | 標(biāo)題 | 類型 | 日期 |
|---|---|---|---|
| Nexperia_Whitepaper_ESD_Discharge_Current_Measurement_Using_SEED_1.pdf | Efficient prediction of ESD discharge current according to OPEN Alliance 100BASE-T1 specification using SEED | White paper | 2019-12-19 |
| RS2958_SOT23_Top_new-style.png | SOT23_Top_new-style.png | Marcom graphics | 2020-01-29 |
| vp_OPEN_Alliance_Ethernet_ESD_protection.zip | OPEN Alliance Ethernet ESD protection | Value proposition | 2020-02-04 |
| PESD2ETH100-T.pdf | ESD protection for In-vehicle networks | Data sheet | 2022-10-05 |
| PESD2ETH1G-T.pdf | ESD protection for In-vehicle networks | Data sheet | 2022-10-05 |
| Nexperia_ESD_Automotive_Application_Guide.pdf | ESD Automotive Application Guide | Brochure | 2023-02-16 |
| AN90039.pdf | ESD protection devices for automotive Ethernet applications (100Base-T1, 1000Base-T1) | Application note | 2023-02-21 |
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