Features
- High VOD: 3.1V (Typ.) into RD = 54Ω
- ±5kV EFT immunity of bus I/O pins
- ±16.5kV ESD protection on bus I/O pins
- Supported data rates: 20Mbps
- Full fail-safe outputs for open or shorted inputs
- Hot plug capability
- 1/8 unit load
- Allows for up to 512 transceivers on the bus
- Low supply current (driver disabled): 550μA
- Ultra-low shutdown current: 70nA
Description
The RAA788158 5V half-duplex powered RS-485/RS-422 transceiver features high output drive and high EFT and ESD protection. The device is immune to ±5kV IEC 61000-4-4 EFT transients and can withstand up to ±16.5kV IEC 61000-4-2 ESD strikes without latch-up.
The RAA78815x family includes half and full-duplex transceivers with active-high driver-enable pins and active-low receiver-enable pins. These transceivers support data rates of 115kbps, 1Mbps, and 20Mbps with a performance that is characterized from -40 °C to +85 °C.
Parameters
| Attributes | Value |
|---|---|
| Temp. Range (°C) | -40 to +105°C, -40 to +125°C |
| Devices Allowed on Bus | 256 |
Application Block Diagrams
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 | High-Power 10.5kW Motor Control The high-power motor control system supports 10.5kW with efficient MCU management and flexible connections. |
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 | Displacement Measurement Using LVDT High-precision LVDT displacement sensor system with robust signal processing for industrial automation. |
 | Industrial IoT Gateway with Multiple PHY Scalable IIoT gateway with edge processing and rich wired and wireless interfaces. |
 | e-AI-Ready GUI Controller for Appliances and Industrial Systems The e-AI-ready HMI controller offers smart control with AI, predictive maintenance, and rich connectivity. |
 | Force Sensor System Force sensor system for accurate detection and calculations of strain gauge measurements. |
 | Industrial Ethernet Gateway and Sensor System Quick-start modules enable seamless Ethernet connectivity for sensors and gateways. |
Additional Applications
- Industrial networks in factory automation
- Building automation: lighting, elevators, HVAC
- Industrial process control networks
- Security camera networks
- Networks with star topology
- Long-haul networks in coal mines and oil rigs
- High node-count networks
- Automated utility e-meter reading systems
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Knowledge Base
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What is the EFT Performance of Renesas's new RAA78815x Family of RS-485/422 Transceivers?
... Test with 5kHz Repetition Rate Test Level Test Voltage (kV) Repetition Frequency (kHz) Transceiver 1 0.25 5 or 100 RAA788150 RAA788152 RAA788153 RAA788155 RAA788156 RAA788158 2 0.5 5 or 100 3 1 5 or 100 4 2 5 or 100 X 5 5 and 100 Table 1. EFT ...
Oct 11, 2021
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