Overview
The ISO7741QDWQ1 is a high-performance, quad-channel digital isolator produced by Texas Instruments. It is specifically designed for automotive applications and is AEC-Q100 qualified, ensuring it meets stringent automotive standards. This device features a robust EMC (Electromagnetic Compatibility) design and is available in a 16-pin SOIC (DW) package. It provides reinforced insulation ratings and is suitable for use in a wide range of temperatures from -40°C to 125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (DW) |
| Pins | 16 |
| Operating Temperature Range | -40°C to 125°C |
| Isolation Rating | Up to 5000VRMS (DW package) |
| Surge Capability | Up to 12.8kV |
| Common Mode Transient Immunity (CMTI) | ±100kV/µs typical |
| Supply Voltage Range | 2.25V to 5.5V |
| Data Rate | Up to 100Mbps |
| Propagation Delay | 10.7ns typical (5V Supplies) |
| Power Consumption | Typical 1.5mA per channel at 1Mbps |
Key Features
- Qualified for automotive applications with AEC-Q100 certification and a temperature grade of 1 (-40°C to 125°C)
- Robust isolation barrier with >30-year projected lifetime at 1500VRMS 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 and low propagation delay
- System-level ESD, EFT, and surge immunity, including ±8kV IEC 61000-4-2 contact discharge protection across the isolation barrier
- Safety-related certifications: DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1
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 ISO7741QDWQ1 used for? The ISO7741QDWQ1 is a quad-channel digital isolator used in automotive applications to isolate CMOS or LVCMOS digital I/Os while providing high electromagnetic immunity and low emissions.
- What are the key certifications for the ISO7741QDWQ1? It is AEC-Q100 qualified and has certifications such as DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1.
- What is the isolation rating of the ISO7741QDWQ1? The isolation rating is up to 5000VRMS for the DW package.
- What is the maximum data rate supported by the ISO7741QDWQ1? The device supports up to 100Mbps data rate.
- What is the typical propagation delay of the ISO7741QDWQ1? The typical propagation delay is 10.7ns at 5V supplies.
- How does the ISO7741QDWQ1 handle power consumption? It has low power consumption, typically 1.5mA per channel at 1Mbps.
- What are the safety features of the ISO7741QDWQ1? It includes system-level ESD, EFT, and surge immunity, with ±8kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- What are the package options for the ISO7741QDWQ1? It is available in extra-wide SOIC (DWW-16), wide-SOIC (DW-16), and QSOP (DBQ-16) packages.
- What is the operating temperature range of the ISO7741QDWQ1? The operating temperature range is from -40°C to 125°C.
- What is the surge capability of the ISO7741QDWQ1? The device has a surge capability of up to 12.8kV.
