Overview
The ISO7742FQDWRQ1 is a high-performance, quad-channel digital isolator produced by Texas Instruments. This device is part of the ISO774x-Q1 family, which is specifically designed for automotive applications and is AEC-Q100 qualified. It features a robust isolation barrier, high electromagnetic immunity, and low emissions, making it ideal for use in harsh environments. The device is available in various package options, including wide-SOIC (DW-16) and QSOP (DBQ-16), and is designed to isolate CMOS or LVCMOS digital I/Os effectively.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Isolation Rating | 5000 VRMS (DW package) | VRMS |
| Surge Capability | Up to 12.8 kV | kV |
| Common Mode Transient Immunity (CMTI) | ±100 kV/μs | kV/μs |
| Data Rate | Up to 100 Mbps | Mbps |
| Supply Voltage Range | 2.25V to 5.5V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Options | Wide-SOIC (DW-16), QSOP (DBQ-16) | |
| Maximum Power Dissipation (both sides) | 200 mW | mW |
| Propagation Delay | 10.7 ns (typical at 5V Supplies) | ns |
Key Features
- Qualified for automotive applications and AEC-Q100 qualified with Device temperature Grade 1: –40°C to 125°C ambient operating temperature.
- Robust isolation barrier with >30-year projected lifetime at 1500 VRMS working voltage.
- High electromagnetic immunity and low emissions.
- Wide supply range: 2.25V to 5.5V and level translation.
- Default output high (ISO774x) and low (ISO774xF) options.
- Low power consumption, typical 1.5mA per channel at 1Mbps.
- System-level ESD, EFT, and surge immunity.
- ±8kV IEC 61000-4-2 contact discharge protection across isolation barrier.
- Safety-related certifications including DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, and IEC 60601-1.
Applications
- Hybrid, electric, and powertrain systems (EV/HEV).
- Battery management systems (BMS).
- On-board chargers.
- Traction inverters.
- DC/DC converters.
- Inverter and motor control systems.
Q & A
- What is the isolation rating of the ISO7742FQDWRQ1 in the DW package?
The isolation rating is up to 5000 VRMS in the DW package. - What is the maximum surge capability of the ISO7742FQDWRQ1?
The maximum surge capability is up to 12.8 kV. - What is the common mode transient immunity (CMTI) of the ISO7742FQDWRQ1?
The CMTI is ±100 kV/μs. - What is the maximum data rate supported by the ISO7742FQDWRQ1?
The maximum data rate is up to 100 Mbps. - What is the operating temperature range of the ISO7742FQDWRQ1?
The operating temperature range is –40°C to 125°C. - What are the package options available for the ISO7742FQDWRQ1?
The package options include wide-SOIC (DW-16) and QSOP (DBQ-16). - What is the maximum power dissipation for the ISO7742FQDWRQ1?
The maximum power dissipation is 200 mW for both sides. - What is the typical propagation delay of the ISO7742FQDWRQ1 at 5V supplies?
The typical propagation delay is 10.7 ns. - Is the ISO7742FQDWRQ1 qualified for automotive applications?
Yes, it is qualified for automotive applications and is AEC-Q100 qualified. - What safety-related certifications does the ISO7742FQDWRQ1 have?
The device has certifications including DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, and IEC 60601-1.
