Overview
The ISOW7821FDWER, produced by Texas Instruments, is a high-performance, dual-channel reinforced digital isolator with an integrated high-efficiency power converter. This device is designed to provide robust isolation and power conversion in a single package, making it ideal for applications where space is constrained and high reliability is required. The ISOW7821 features a 5000-VRMS reinforced isolation barrier, ensuring a projected lifetime of over 100 years at 1 kVRMS working voltage, and complies with various international safety standards including IEC 62368-1, IEC 60601-1, and TUV certification according to EN 60950-1, EN 62368-1, and EN 61010-1.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Isolation Voltage | 5000 | VRMS |
| Data Rate | 100 | Mbps |
| Package Type | 16-pin SOIC wide-body (SOIC-WB) | |
| Package Size | 10.30 mm × 7.50 mm | |
| Isolated Supply Voltage (VISO) | 3.13 - 3.56 | V |
| DC Line Regulation (VISO(LINE)) | 2 mV/V | |
| DC Load Regulation (VISO(LOAD)) | 1% | |
| Efficiency at Maximum Load Current | 48% | |
| UVLO Threshold on VCC, VISO | 2.7 V (positive-going), 2.1 V (negative-going) | V |
Key Features
- High-performance, dual-channel reinforced digital isolator with integrated high-efficiency power converter.
- Robust isolation barrier with >100-year projected lifetime at 1 kVRMS working voltage.
- Compliance with IEC 62368-1, IEC 60601-1, and TUV certification according to EN 60950-1, EN 62368-1, and EN 61010-1.
- Integrated DC-DC converter providing up to 650 mW of isolated power.
- Configurable input and output voltage settings.
- Enhanced electromagnetic compatibility to ease system-level ESD, EFT, surge, and emissions compliance.
- High-efficiency power converter allowing operation at higher ambient temperatures.
Applications
- Industrial Automation
- Motor Control
- Grid Infrastructure
- Medical Equipment
- Test and Measurement
Q & A
- What is the isolation voltage of the ISOW7821FDWER?
The isolation voltage is 5000 VRMS.
- What is the data rate of the ISOW7821FDWER?
The data rate is 100 Mbps.
- What type of package does the ISOW7821FDWER come in?
The device comes in a 16-pin SOIC wide-body (SOIC-WB) package.
- What are the dimensions of the ISOW7821FDWER package?
The package dimensions are 10.30 mm × 7.50 mm.
- What is the isolated supply voltage range of the ISOW7821FDWER?
The isolated supply voltage range is 3.13 - 3.56 V.
- What are the safety standards the ISOW7821FDWER complies with?
The device complies with IEC 62368-1, IEC 60601-1, and TUV certification according to EN 60950-1, EN 62368-1, and EN 61010-1.
- What is the efficiency of the power converter at maximum load current?
The efficiency at maximum load current is 48%.
- What are the typical applications of the ISOW7821FDWER?
Typical applications include Industrial Automation, Motor Control, Grid Infrastructure, Medical Equipment, and Test and Measurement.
- How does the ISOW7821FDWER enhance electromagnetic compatibility?
The device enhances electromagnetic compatibility through innovative chip design and layout techniques, easing system-level ESD, EFT, surge, and emissions compliance.
- What is the maximum power output of the integrated DC-DC converter?
The integrated DC-DC converter provides up to 650 mW of isolated power.
