Overview
The ISOW7841FDWE from Texas Instruments is a quad-channel, 3/1 reinforced digital isolator with integrated power. This component is designed to provide high-performance isolation and power conversion in a single package, making it ideal for applications requiring robust electrical isolation and reliable data transfer.
The device is housed in a 16-pin SO-MOD (DWE) package, ensuring a compact footprint while maintaining high functionality. It is part of the ISOW784x family, known for its advanced isolation and power capabilities.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 5 | 5.5 | V |
| Data Rate (DR) | - | - | 100 | Mbps |
| Ambient Temperature (TA) | -40 | - | 125 | °C |
| Isolation Voltage (VIORM) | - | - | 1414 | Vrms |
| Working Isolation Voltage (VIOWM) | - | - | 5000 | Vrms |
| High-Level Output Current (IOH) | -4 | - | - | mA (VSO = 5V) |
| Low-Level Output Current (IOL) | 4 | - | - | mA (VSO = 5V) |
| High-Level Input Voltage (VIH) | 0.7 × VSI | - | - | V |
| Low-Level Input Voltage (VIL) | 0 | - | 0.3 × VSI | V |
| Maximum Power Dissipation (PD) | - | - | 1.02 | W |
Key Features
- High-Speed Data Transfer: Supports data rates up to 100 Mbps.
- Robust Isolation Barrier: Offers >100-year projected lifetime at 1 kVRMS working voltage and up to 5000 VRMS isolation rating.
- Integrated Power: Provides isolated power supply, eliminating the need for external power components.
- Compact Package: Available in a 16-pin SO-MOD (DWE) package, suitable for space-constrained designs.
- High Efficiency: Achieves efficiency of up to 53% at maximum load current.
- ESD Protection: Features electrostatic discharge (ESD) protection with human-body model (HBM) and charged-device model (CDM) ratings.
- Thermal Performance: Includes thermal metrics such as junction-to-ambient thermal resistance (RθJA) and junction-to-case thermal resistance (RθJC).
Applications
- Industrial Automation: Suitable for use in industrial control systems, motor drives, and power supplies.
- Medical Devices: Can be used in medical equipment requiring high isolation and reliability, such as patient monitoring systems and diagnostic equipment.
- Automotive Systems: Applicable in automotive applications, including battery management systems, powertrain control, and safety systems.
- Renewable Energy Systems: Useful in solar and wind power systems for isolating control signals and power supplies.
- Test and Measurement Equipment: Ideal for use in test and measurement instruments that require high isolation and data integrity.
Q & A
- What is the maximum data rate supported by the ISOW7841FDWE?
The ISOW7841FDWE supports data rates up to 100 Mbps.
- What is the isolation voltage rating of the ISOW7841FDWE?
The device has an isolation voltage rating of up to 5000 VRMS.
- What is the package type and pin count of the ISOW7841FDWE?
The ISOW7841FDWE is housed in a 16-pin SO-MOD (DWE) package.
- What is the efficiency of the ISOW7841FDWE at maximum load current?
The efficiency at maximum load current is up to 53%.
- Does the ISOW7841FDWE have built-in ESD protection?
Yes, it features ESD protection with HBM and CDM ratings.
- What are the recommended operating temperature ranges for the ISOW7841FDWE?
The recommended operating temperature range is from -40°C to 125°C.
- What is the maximum power dissipation of the ISOW7841FDWE?
The maximum power dissipation is 1.02 W.
- Can the ISOW7841FDWE be used in automotive applications?
Yes, it is suitable for use in automotive systems, including battery management and safety systems.
- What are the typical applications of the ISOW7841FDWE in industrial settings?
It is commonly used in industrial control systems, motor drives, and power supplies.
- Does the ISOW7841FDWE require external power components?
No, it provides an integrated power supply, eliminating the need for external power components.
