Overview
The ISO1042BQDWRQ1 is a galvanically-isolated Controller Area Network (CAN) transceiver manufactured by Texas Instruments. This device is designed to meet the specifications of the ISO 11898-2:2016 standard and is particularly suited for automotive applications. It offers robust protection features, high data transfer rates, and enhanced electromagnetic compatibility, making it ideal for use in harsh environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (DWV) - 8 pins, SOIC (DW) - 16 pins |
| Operating Temperature Range (°C) | -40 to 125 |
| Data Transfer Rate | Up to 1 Mbps (Classic CAN), up to 5 Mbps (CAN FD) |
| DC Bus Fault Protection Voltage | ±70 V |
| HBM ESD Tolerance on Bus Pins | ±16 kV |
| Common-Mode Voltage Range | ±30 V |
| VCC1 Voltage Range | 1.71 V to 5.5 V |
| VCC2 Voltage Range | 4.5 V to 5.5 V |
| Isolation Voltage | 5000 V RMS (withstand), 1060 V RMS (working) |
| Loop Delay | 152 ns |
| CMTI (Common Mode Transient Immunity) | 100 kV/µs |
Key Features
- AEC Q100 qualified for automotive applications with Grade 1: –40°C to 125°C ambient temperature range.
- Functional Safety-Capable with documentation available to aid in functional safety system design.
- Supports classic CAN up to 1 Mbps and CAN FD up to 5 Mbps.
- Low loop delay of 152 ns.
- Protection features include DC bus fault protection, HBM ESD tolerance, Driver Dominant Time Out (TXD DTO), and undervoltage protection on VCC1 and VCC2.
- Ideal passive, high impedance bus terminals when unpowered.
- Robust Electromagnetic Compatibility (EMC) with system-level ESD, EFT, and surge immunity.
- Low emissions and available in both 16-SOIC and 8-SOIC packages.
- Safety-related certifications include 7071-V PKV IOTM and 1500-V PKV IORM, CQC, TUV, and CSA certifications.
Applications
The ISO1042BQDWRQ1 is designed for use in various automotive and industrial applications where robust and reliable CAN communication is required. These include:
- Automotive systems such as in-vehicle networks, engine control units, and safety systems.
- Industrial control systems, including motor control and inverter applications.
- Any environment requiring high-speed data transfer and robust protection against electrical noise and faults.
Q & A
- What is the ISO1042BQDWRQ1 device?
The ISO1042BQDWRQ1 is a galvanically-isolated Controller Area Network (CAN) transceiver designed for automotive and industrial applications.
- What are the key protection features of the ISO1042BQDWRQ1?
The device offers ±70-V DC bus fault protection, ±16 kV HBM ESD tolerance on bus pins, Driver Dominant Time Out (TXD DTO), and undervoltage protection on VCC1 and VCC2.
- What data transfer rates does the ISO1042BQDWRQ1 support?
The device supports classic CAN up to 1 Mbps and CAN FD up to 5 Mbps.
- What is the operating temperature range of the ISO1042BQDWRQ1?
The device operates in a temperature range of –40°C to 125°C.
- What are the isolation voltage specifications of the ISO1042BQDWRQ1?
The device has a withstand voltage of 5000 V RMS and a working voltage of 1060 V RMS.
- Does the ISO1042BQDWRQ1 meet any specific automotive standards?
Yes, it is AEC Q100 qualified and meets the ISO 11898-2:2016 standard.
- What are the package options for the ISO1042BQDWRQ1?
The device is available in both 16-SOIC (DW) and 8-SOIC (DWV) packages.
- What safety certifications does the ISO1042BQDWRQ1 have?
The device has certifications such as 7071-V PKV IOTM, 1500-V PKV IORM, CQC, TUV, and CSA.
- How does the ISO1042BQDWRQ1 enhance electromagnetic compatibility?
The device has enhanced electromagnetic compatibility with system-level ESD, EFT, surge, and emissions compliance.
- What is the common-mode voltage range of the ISO1042BQDWRQ1?
The device has a common-mode voltage range of ±30 V.
