Overview
The ISO1050EVM is a multi-functional evaluation module (EVM) designed by Texas Instruments to facilitate the evaluation of the ISO1050 isolated CAN transceiver. This module provides a comprehensive platform for testing and integrating the ISO1050 transceiver, which is notable for its integrated isolation and compliance with the ISO 11898-2 standard. The EVM includes input and output connections as well as test points for measurements, making it an essential tool for developers working with isolated CAN bus systems.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Isolation Voltage | Maximum repetitive peak isolation voltage | 4000 | VPEAK |
| Transient Immunity | Typical transient immunity | 50 kV/μs | |
| Bus-Fault Protection | Voltage range for bus-fault protection | –27 V to 40 V | |
| Loop Delay | Typical loop delay | 150 ns | |
| Operating Temperature | Ambient temperature range | –55°C to 105°C | |
| Supply Voltage | Digital-side supply voltage range | 3 V to 5.5 V | |
| Supply Voltage (Transceiver-side) | Transceiver-side supply voltage | 5 V | |
| Certifications | Safety-related certifications | UL 1577, IEC 60747-5-2, IEC 61010-1, IEC 60950-1, CSA approved |
Key Features
- 4000-V peak isolation, ensuring high electrical isolation between the CAN bus and the local circuitry
- Failsafe outputs to ensure reliable operation in case of bus faults
- Low loop delay of 150 ns typical, enhancing communication efficiency
- 50-kV/μs typical transient immunity, providing robust protection against electrical noise
- Meets or exceeds the requirements of ISO 11898-2 standard for CAN bus communication
- Bus-fault protection from –27 V to 40 V, ensuring operation in harsh environments
- Dominant timeout function to handle bus errors effectively
- 3.3-V inputs are 5-V tolerant, supporting a wide range of microprocessors
- Safety-related certifications including UL 1577, IEC 60747-5-2, IEC 61010-1, IEC 60950-1, and CSA approvals
Applications
- Industrial automation, control, sensors, and drive systems
- Building and climate control (HVAC) automation
- Security systems
- Transportation systems
- Medical devices
- Telecom systems
- CAN bus standards such as CANopen, DeviceNet, NMEA2000, ARINC825, ISO11783, CAN Kingdom, CANaerospace
Q & A
- What is the primary purpose of the ISO1050EVM?
The ISO1050EVM is designed for the evaluation of the ISO1050 isolated CAN transceiver, providing a platform for testing and integrating the transceiver into various applications.
- What level of isolation does the ISO1050 provide?
The ISO1050 provides up to 5000 VRMS isolation for the DW package and 2500 VRMS for the DUB package.
- What are the key safety certifications for the ISO1050?
The ISO1050 has certifications including UL 1577, IEC 60747-5-2, IEC 61010-1, IEC 60950-1, and CSA approvals.
- What is the typical loop delay of the ISO1050?
The typical loop delay of the ISO1050 is 150 ns.
- What is the operating temperature range of the ISO1050?
The ISO1050 operates over an ambient temperature range of –55°C to 105°C.
- What are the supply voltage ranges for the ISO1050?
The digital-side supply voltage range is 3 V to 5.5 V, and the transceiver-side supply voltage is 5 V.
- Does the ISO1050 support 3.3-V and 5-V microprocessors?
- What types of applications can the ISO1050 be used in?
The ISO1050 can be used in industrial automation, HVAC, security systems, transportation, medical devices, telecom systems, and various CAN bus standards.
- What is the transient immunity of the ISO1050?
The ISO1050 has a typical transient immunity of 50 kV/μs.
- Does the ISO1050 have bus-fault protection?
