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

Documentation & Downloads

Title Other Languages Type Format File Size Date
Application Notes & White Papers
An Overview of Electromagnetic and Lightning Induced Voltage Transients Application Note PDF 677 KB
R15AN0002: RS-485 Transient Protection in Industrial DC-Supply Buses Application Note PDF 178 KB
Over-Voltage Protection for RS-485 Bus Nodes White Paper PDF 195 KB
RS-485 Transceiver Tutorial 简体中文 White Paper PDF 246 KB
AN1991: Isolating RS-485 Interfaces with High-Speed Digital Optocouplers Application Note PDF 513 KB
AN1990: RS-485 Transceivers in J1708 Physical Layer Applications of Heavy Duty Vehicles Application Note PDF 826 KB
AN1987: RS-485 External Fail-Safe Biasing for Isolated Long Haul Buses Application Note PDF 443 KB
AN1986: External Fail-Safe Biasing of RS-485 Networks Application Note PDF 582 KB
AN1985: Transient Protection for the Standard RS-485 Transceiver: ISL3152E Application Note PDF 335 KB
AN1989: RS-422 vs RS-485: Similarities and Key Differences Application Note PDF 440 KB
AN1977: Transient Voltage Suppressors: Operation and Features Application Note PDF 365 KB
AN1980: Ground Potential Differences: Origin and Remedies Application Note PDF 375 KB
AN1978: Surge Protection for Intersil's Standard RS-485 Transceivers Application Note PDF 369 KB
AN1976: Important Transient Immunity Tests for RS-485 Networks Application Note PDF 338 KB
AN1979: Surge Protection simplified with Intersil's Overvoltage Protected (OVP) Transceivers Application Note PDF 500 KB
AN1593: Add a Loss of Signal (LOS) Indicator to Your RS-485 or RS-422 Transceiver Application Note PDF 559 KB
Other
R15ZZ0002: Calculating the Power Dissipation of an RS-485 Driver Others PDF 150 KB
R15ZZ0001: Calculating the Power Dissipation of an RS-422 Driver Others PDF 165 KB
TB506: Functional Principles of RS-485 Drivers and Receivers Others PDF 156 KB
TB509: Detecting Bus Signals Correctly with Failsafe Biased RS-485 Receivers Others PDF 240 KB
TB511: The Unit Load Concept Others PDF 253 KB
TB505: Understanding the Difference between HBM and IEC 61000-4-2 ESD Immunity Others PDF 254 KB