Overview
The ISO7342FCQDWRQ1, manufactured by Texas Instruments, is a high-performance digital isolator designed for automotive and industrial applications. This device features four isolated channels, with two forward and two reverse channels, providing robust galvanic isolation up to 3000 VRMS for 1 minute, compliant with UL 1577 and VDE V 0884-10 standards. Its innovative design enhances electromagnetic compatibility (EMC), making it suitable for harsh environments where noise immunity is critical. The ISO7342FCQDWRQ1 operates within a voltage range of 3V to 5.5V and supports a data rate of 25 Mbps, making it ideal for noise-sensitive systems such as data buses and communication interfaces. Its AEC-Q100 qualification ensures reliability in automotive applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 4 | 2 forward, 2 reverse | |
| Isolation Voltage | 3000 | VRMS | Compliant with UL 1577 |
| Data Rate | 25 | Mbps | |
| Supply Voltage | 3 to 5.5 | V | |
| Operating Temperature | -40 to +125 | °C | AEC-Q100 qualified |
| Propagation Delay | 31 | ns | Typical at 5V |
| Transient Immunity | 70 | kV/µs | Typical at 5V |
| Package | SOIC-16 | Wide-body | |
| Power Consumption | 1.3 | mA | Per channel at 5V, 1 Mbps |
| Certifications | UL 1577, VDE V 0884-10, AEC-Q100 |
Key Features
- Four isolated channels with two forward and two reverse configurations.
- High isolation voltage of 3000 VRMS for 1 minute, ensuring safety in high-voltage environments.
- Integrated noise filter for enhanced performance in noisy industrial settings.
- Supports a data rate of 25 Mbps, suitable for high-speed communication systems.
- Low propagation delay of 31 ns (typical) for real-time signal transmission.
- Wide operating voltage range of 3V to 5.5V, compatible with various systems.
- AEC-Q100 qualified, ensuring reliability in automotive applications.
- Robust EMC performance with system-level ESD, EFT, and surge protection.
- SOIC-16 package for compact and reliable integration.
Applications
The ISO7342FCQDWRQ1 is widely used in automotive and industrial applications where noise immunity and signal integrity are critical. In automotive systems, it is employed in electric vehicle (EV) powertrains, battery management systems (BMS), and communication interfaces to ensure reliable data transmission in noisy environments. In industrial settings, it is utilized in programmable logic controllers (PLCs), motor drives, and factory automation systems to isolate sensitive circuits from high-voltage noise. Its robust design and certifications make it suitable for safety-critical applications such as medical devices and renewable energy systems.
Q & A
1. What is the isolation voltage of the ISO7342FCQDWRQ1?
The isolation voltage is 3000 VRMS for 1 minute, compliant with UL 1577.
2. What is the data rate supported by this device?
It supports a data rate of 25 Mbps.
3. Is the ISO7342FCQDWRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive systems.
4. What is the operating voltage range of the device?
The operating voltage range is 3V to 5.5V.
5. What is the typical propagation delay?
The typical propagation delay is 31 ns at 5V.
6. How many channels does the ISO7342FCQDWRQ1 have?
It has four channels, with two forward and two reverse configurations.
7. What certifications does this device comply with?
It complies with UL 1577, VDE V 0884-10, and AEC-Q100 standards.
8. What is the package type of the ISO7342FCQDWRQ1?
It comes in a wide-body SOIC-16 package.
9. What is the power consumption per channel?
The power consumption is 1.3 mA per channel at 5V and 1 Mbps.
10. What is the transient immunity of the device?
The transient immunity is 70 kV/µs, typical at 5V.
