Overview
The ISO1042BQDWVRQ1 is a galvanically-isolated controller area network (CAN) transceiver produced by Texas Instruments. This device is designed to meet the strict specifications of the ISO 11898-2:2016 standard and is particularly suited for automotive and industrial applications. It offers advanced protection features, high-speed data transfer, and robust electromagnetic compatibility, making it ideal for use in harsh environments such as in-vehicle networks, battery management systems, and high-voltage motor drives.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC-8 (DWV) | |
| Pins | 8 | |
| Operating Temperature Range | -40 to 125 | °C |
| Data Rate (CAN FD) | Up to 5 Mbps | |
| Data Rate (Classic CAN) | Up to 1 Mbps | |
| DC Bus Fault Protection Voltage | ±70 V | |
| Common-Mode Voltage Range | ±30 V | |
| HBM ESD Tolerance on Bus Pins | ±16 kV | |
| 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 | |
| Working Voltage | 1060 V RMS | |
| Loop Delay | 152 ns |
Key Features
- AEC Q100 qualified for automotive applications with an ambient temperature range of –40°C to 125°C.
- 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 voltage of ±70 V, HBM ESD tolerance on bus pins of ±16 kV, and undervoltage protection on VCC1 and VCC2.
- Common-Mode Voltage Range of ±30 V.
- Ideal passive, high impedance bus terminals when unpowered.
- High CMTI (Common Mode Transient Immunity) of 100 kV/µs.
- Supports 1.8-V, 2.5-V, 3.3-V, and 5.0-V logic interface to the CAN controller.
- Robust Electromagnetic Compatibility (EMC) with system-level ESD, EFT, and surge immunity.
- Low emissions.
- Available in 16-SOIC and 8-SOIC package options.
- Safety-related certifications include 7071-V PKV IOTM and 1500-V PKV IORM (Reinforced and Basic Options) per DIN VDE V 0884-11:2017-01, and 5000-V RMS isolation for 1 minute per UL 1577.
Applications
- Automotive systems: in-vehicle networks, battery management systems, electric vehicle charging systems, and hybrid electric vehicles.
- Industrial applications: high-voltage motor drives, inverter and motor control systems.
- Any environment requiring robust communication and reliable isolation between CAN nodes.
Q & A
- What is the ISO1042BQDWVRQ1 device?
The ISO1042BQDWVRQ1 is a galvanically-isolated controller area network (CAN) transceiver designed for automotive and industrial applications.
- What are the key data rates supported by the ISO1042BQDWVRQ1?
The device supports classic CAN up to 1 Mbps and CAN FD up to 5 Mbps.
- What is the DC bus fault protection voltage of the ISO1042BQDWVRQ1?
The device offers ±70 V DC bus fault protection.
- What is the common-mode voltage range of the ISO1042BQDWVRQ1?
The common-mode voltage range is ±30 V.
- What are the operating temperature ranges for the ISO1042BQDWVRQ1?
The device operates within an ambient temperature range of –40°C to 125°C.
- What are the isolation voltage and working voltage of the ISO1042BQDWVRQ1?
The isolation voltage is 5000 V RMS, and the working voltage is 1060 V RMS.
- What certifications does the ISO1042BQDWVRQ1 hold?
The device holds certifications such as AEC Q100, 7071-V PKV IOTM, 1500-V PKV IORM, and 5000-V RMS isolation for 1 minute per UL 1577.
- In what packages is the ISO1042BQDWVRQ1 available?
The device is available in both SOIC-16 (DW) and SOIC-8 (DWV) packages.
- What are some typical applications of the ISO1042BQDWVRQ1?
Typical applications include in-vehicle networks, battery management systems, electric vehicle charging systems, and high-voltage motor drives.
- Does the ISO1042BQDWVRQ1 support multiple logic interface voltages?
Yes, it supports 1.8-V, 2.5-V, 3.3-V, and 5.0-V logic interfaces to the CAN controller.
