Overview
The ISO1042-Q1 device, manufactured by Texas Instruments, is a galvanically-isolated controller area network (CAN) transceiver. It adheres to the specifications of the ISO 11898-2 (2016) standard and is designed for automotive and industrial applications. This transceiver supports data rates up to 5 Mbps in CAN FD mode, significantly enhancing the speed of data transfer compared to traditional CAN systems. The device features advanced protection mechanisms, including ±70-V DC bus fault protection and a ±30-V common-mode voltage range, ensuring robust and reliable operation in harsh environments. It also includes isolated power supplies to protect against high voltage and prevent noise currents from entering the local ground.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (DWV), 16-SOIC (DW) |
| Operating Temperature Range | -40°C to 125°C |
| Data Rate | Up to 5 Mbps in CAN FD mode, up to 1 Mbps in classic CAN |
| Voltage - Supply | 1.71 V to 5.5 V (VCC1), 4.5 V to 5.5 V (VCC2) |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 125 mV |
| DC Bus Fault Protection Voltage | ±70 V |
| Common-Mode Voltage Range | ±30 V |
| Isolation Voltage | 5000 V RMS for 1 minute per UL 1577 |
| Mounting Type | Surface Mount |
Key Features
- AEC Q100 qualified for automotive applications
- Functional Safety-Capable
- Supports classic CAN up to 1 Mbps and CAN FD up to 5 Mbps
- Low loop delay: 152 ns
- Protection features include DC bus fault protection, HBM ESD tolerance on bus pins (±16 kV), and undervoltage protection on VCC1 and VCC2
- High CMTI: 100 kV/µs
- Robust Electromagnetic Compatibility (EMC) with system-level ESD, EFT, and surge immunity
- Low emissions
- Available in 8-SOIC and 16-SOIC packages
- Safety-related certifications: CQC, TUV, CSA, and others
Applications
The ISO1042-Q1 device is designed for use in various automotive and industrial applications, including:
- Battery management systems
- Electric vehicle charging systems
- Hybrid electric vehicles
- High-voltage motor drives
- In-vehicle networks
- Inverter and motor control systems
Q & A
- What is the ISO1042-Q1 device?
The ISO1042-Q1 is a galvanically-isolated controller area network (CAN) transceiver that meets the ISO 11898-2 (2016) standard.
- What data rates does the ISO1042-Q1 support?
The device supports up to 5 Mbps in CAN FD mode and up to 1 Mbps in classic CAN mode.
- What is the operating temperature range of the ISO1042-Q1?
The device operates in a temperature range of -40°C to 125°C.
- What kind of protection does the ISO1042-Q1 offer?
The device offers ±70-V DC bus fault protection, ±30-V common-mode voltage range, and HBM ESD tolerance on bus pins (±16 kV).
- Is the ISO1042-Q1 suitable for automotive applications?
Yes, the device is AEC Q100 qualified for automotive applications.
- What are the package options for the ISO1042-Q1?
The device is available in 8-SOIC and 16-SOIC packages.
- What is the isolation voltage of the ISO1042-Q1?
The device has an isolation voltage of 5000 V RMS for 1 minute per UL 1577.
- Does the ISO1042-Q1 have any safety-related certifications?
Yes, it has certifications such as CQC, TUV, CSA, and others.
- What are some common applications of the ISO1042-Q1?
Common applications include battery management systems, electric vehicle charging systems, hybrid electric vehicles, and high-voltage motor drives.
- How does the ISO1042-Q1 enhance electromagnetic compatibility?
The device enhances EMC with system-level ESD, EFT, surge, and emissions compliance.
