Renesas' fault protected RS-485/RS-422 transceivers, also known as over voltage protected transceivers (OVP), offer robust fault tolerance and high performance.

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Product Protocol Description Datasheet
ISL32495E RS-485/422 with Overvoltage Protection ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V CMR and ESD Protection pdf_icon_for_table.png
ISL32485E RS-485/422 with Overvoltage Protection Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert and ±16.5kV ESD pdf_icon_for_table.png
ISL32452E RS-485/422 with Overvoltage Protection ±60V Fault Protected, 3.3V to 5V, ±20V CMR, 20Mbps Half-Duplex RS-485/RS-422, ±15kV ESD pdf_icon_for_table.png

descriptionドキュメント

タイトル language 分類 形式 サイズ 日付
アプリケーションノート、ホワイトペーパー
An Overview of Electromagnetic and Lightning Induced Voltage Transients アプリケーションノート PDF 677 KB
R15AN0002: RS-485 Transient Protection in Industrial DC-Supply Buses Rev.1.00 アプリケーションノート PDF 178 KB
Over-Voltage Protection for RS-485 Bus Nodes ホワイトペーパー PDF 195 KB
RS-485 Transceiver Tutorial 简体中文 ホワイトペーパー PDF 246 KB
AN1991: Isolating RS-485 Interfaces with High-Speed Digital Optocouplers アプリケーションノート PDF 513 KB
AN1990: RS-485 Transceivers in J1708 Physical Layer Applications of Heavy Duty Vehicles アプリケーションノート PDF 826 KB
AN1987: RS-485 External Fail-Safe Biasing for Isolated Long Haul Buses アプリケーションノート PDF 443 KB
AN1986: External Fail-Safe Biasing of RS-485 Networks アプリケーションノート PDF 582 KB
AN1985: Transient Protection for the Standard RS-485 Transceiver: ISL3152E アプリケーションノート PDF 335 KB
AN1989: RS-422 vs RS-485: Similarities and Key Differences アプリケーションノート PDF 440 KB
AN1976: Important Transient Immunity Tests for RS-485 Networks アプリケーションノート PDF 338 KB
AN1977: Transient Voltage Suppressors: Operation and Features アプリケーションノート PDF 365 KB
AN1978: Surge Protection for Intersil's Standard RS-485 Transceivers アプリケーションノート PDF 369 KB
AN1979: Surge Protection simplified with Intersil's Overvoltage Protected (OVP) Transceivers アプリケーションノート PDF 500 KB
AN1980: Ground Potential Differences: Origin and Remedies アプリケーションノート PDF 375 KB
AN1593: Add a Loss of Signal (LOS) Indicator to Your RS-485 or RS-422 Transceiver アプリケーションノート PDF 559 KB
その他資料
R15ZZ0002: Calculating the Power Dissipation of an RS-485 Driver その他資料 PDF 150 KB
R15ZZ0001: Calculating the Power Dissipation of an RS-422 Driver その他資料 PDF 165 KB
TB506: Functional Principles of RS-485 Drivers and Receivers その他資料 PDF 156 KB
TB509: Detecting Bus Signals Correctly with Failsafe Biased RS-485 Receivers 技術概要 PDF 300 KB
TB511: The Unit Load Concept その他資料 PDF 253 KB
TB505: Understanding the Difference between HBM and IEC 61000-4-2 ESD Immunity その他資料 PDF 254 KB