Overview
The ISO7761FQDWRQ1 from Texas Instruments is a high-performance, six-channel digital isolator designed for robust electromagnetic compatibility (EMC) and reinforced insulation. This device is part of the ISO776x-Q1 family, which is AEC-Q100 qualified, making it suitable for automotive applications. It features a wide range of safety-related certifications, including UL 1577, VDE, CSA, TUV, and CQC, ensuring compliance with various international standards. The ISO7761FQDWRQ1 is available in 16-pin SOIC and SSOP packages, providing flexibility in design and implementation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 6 | |
| Isolation Rating | 5000 VRMS (DW package), 3000 VRMS (DBQ package) | |
| Package Options | SOIC (DW-16), SSOP (DBQ-16) | |
| Operating Temperature | -40°C to +125°C | °C |
| ESD Protection | ±8kV IEC 61000-4-2 Contact discharge | |
| Supply Voltage | 2.5 V to 5.5 V ±10% | V |
| Supply Current (DC signal) | Typically 4.1 mA (ICC1), 4.9 mA (ICC2) | mA |
| Thermal Resistance (Junction-to-ambient) | 60.3 °C/W (DW), 86.5 °C/W (DBQ) | °C/W |
| External Clearance | >8 mm (DW), >3.7 mm (DBQ) | mm |
| External Creepage | >8 mm (DW), >3.7 mm (DBQ) | mm |
| Distance Through Insulation | >17 μm | μm |
Key Features
- High-speed digital isolator with up to 100 Mbps data rate.
- Robust EMC performance with low emissions and high immunity to ESD, EFT, and surge.
- Reinforced insulation per DIN EN IEC 60747-17, UL 1577, CSA, TUV, and CQC certifications.
- Available in all possible pin configurations to accommodate various design needs.
- Default output is high for devices without suffix F and low for devices with suffix F if input power or signal is lost.
- Wide operating temperature range from -40°C to +125°C.
Applications
- Hybrid, electric, and power train systems (EV/HEV).
- Battery management systems (BMS).
- On-board chargers.
- Traction inverters.
- DC/DC converters.
- Starter/generators.
Q & A
- What is the primary function of the ISO7761FQDWRQ1? The ISO7761FQDWRQ1 is a six-channel digital isolator designed to provide high-speed data isolation with robust EMC performance.
- What are the package options for the ISO7761FQDWRQ1? The device is available in 16-pin SOIC (DW-16) and SSOP (DBQ-16) packages.
- What is the isolation rating of the ISO7761FQDWRQ1? The isolation rating is 5000 VRMS for the DW package and 3000 VRMS for the DBQ package.
- What safety certifications does the ISO7761FQDWRQ1 have? It is certified according to UL 1577, VDE, CSA, TUV, and CQC standards.
- What is the operating temperature range of the ISO7761FQDWRQ1? The device operates from -40°C to +125°C.
- What is the typical supply current for the ISO7761FQDWRQ1? The typical supply current is around 4.1 mA (ICC1) and 4.9 mA (ICC2) for DC signals.
- How does the ISO7761FQDWRQ1 handle ESD protection? It provides ±8kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- What are some common applications for the ISO7761FQDWRQ1? It is used in hybrid, electric, and power train systems, battery management systems, on-board chargers, traction inverters, DC/DC converters, and starter/generators.
- What is the default output state if the input power or signal is lost? The default output is high for devices without the suffix F and low for devices with the suffix F.
- What is the maximum data rate supported by the ISO7761FQDWRQ1? The device supports data rates up to 100 Mbps.
