Overview
The ISO6741-Q1, produced by Texas Instruments, is a high-performance, quad-channel digital isolator designed for cost-sensitive applications that require up to 5000VRMS isolation ratings. This device is part of the ISO674x-Q1 family, which also includes the ISO6740-Q1 and ISO6742-Q1. The ISO6741-Q1 is specifically configured with three forward and one reverse-direction channel, making it versatile for various system designs. It is certified by several regulatory bodies, including VDE, TUV, CSA, and CQC, and meets stringent safety standards such as AEC-Q100 and UL 1577.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (DW-16) | - |
| Pins | 16 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Data Rate | 50 Mbps | - |
| Isolation Rating | Up to 5000 VRMS | - |
| Surge Capability | Up to 10 kV | - |
| CMTI (Common Mode Transient Immunity) | ±150 kV/μs | - |
| Supply Voltage Range | 1.71V to 1.89V and 2.25V to 5.5V | V |
| Level Translation | 1.71V to 5.5V | V |
| Propagation Delay | 11 ns (typical) | ns |
| Current Consumption per Channel | 1.6 mA (typical at 1 Mbps) | mA |
| ESD Protection | ±8 kV IEC 61000-4-2 contact discharge | - |
Key Features
- Functional Safety-Capable: Documentation available to aid functional safety system design, and AEC-Q100 qualified with a device temperature grade of 1 (-40°C to 125°C).
- Robust Isolation Barrier: High lifetime at 1500VRMS working voltage, up to 5000VRMS isolation rating, and up to 10kV surge capability.
- Wide Supply Range and Level Translation: Supports supply voltages from 1.71V to 1.89V and 2.25V to 5.5V, with level translation capabilities from 1.71V to 5.5V.
- Low Propagation Delay and Power Consumption: Typical propagation delay of 11ns and low current consumption of 1.6mA per channel at 1Mbps.
- Robust Electromagnetic Compatibility (EMC): System-level ESD, EFT, and surge immunity, with low emissions and ±8kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- Enable Pins for Multi-Controller Driving: Outputs can be put in high impedance using enable pins, suitable for multi-controller driving applications.
- Safety-Related Certifications: Certified by DIN EN IEC 60747-17 (VDE 0884-17), UL 1577, IEC 62368-1, IEC 61010-1, IEC 60601-1, and GB 4943.1.
Applications
- Hybrid, Electric, and Power Train Systems (EV/HEV): Used in battery management systems (BMS), on-board chargers, DC/DC converters, and inverter and motor control systems.
- Industrial Automation: Suitable for use in industrial control systems, including PLC modules, human-machine interfaces, and other industrial equipment.
- Automotive Systems: Given its AEC-Q100 qualification, it is ideal for various automotive applications requiring high isolation and robust EMC performance.
- Medical Devices: Compliant with safety standards such as IEC 60601-1, making it suitable for medical device applications).
Q & A
- What is the isolation rating of the ISO6741-Q1?
The ISO6741-Q1 has an isolation rating of up to 5000 VRMS).
- What is the data rate of the ISO6741-Q1?
The data rate of the ISO6741-Q1 is 50 Mbps).
- What is the operating temperature range of the ISO6741-Q1?
The operating temperature range is -40°C to 125°C).
- What certifications does the ISO6741-Q1 hold?
The ISO6741-Q1 is certified by DIN EN IEC 60747-17 (VDE 0884-17), UL 1577, IEC 62368-1, IEC 61010-1, IEC 60601-1, and GB 4943.1).
- What is the typical propagation delay of the ISO6741-Q1?
The typical propagation delay is 11 ns).
- How does the ISO6741-Q1 handle ESD protection?
The ISO6741-Q1 provides ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier).
- What is the current consumption per channel at 1 Mbps?
The current consumption per channel at 1 Mbps is typically 1.6 mA).
- Can the ISO6741-Q1 be used in multi-controller driving applications?
Yes, the ISO6741-Q1 has enable pins that can put the respective outputs in high impedance for multi-controller driving applications).
- What package type is the ISO6741-Q1 available in?
The ISO6741-Q1 is available in a 16-pin SOIC wide-body (DW) package).
- Is the ISO6741-Q1 suitable for automotive applications?
Yes, the ISO6741-Q1 is AEC-Q100 qualified, making it suitable for automotive applications).
