Overview
The ISOW7840DWE is a high-performance, quad-channel reinforced digital isolator produced by Texas Instruments. It features an integrated high-efficiency DC-DC converter, which provides up to 650 mW of isolated power. This device is designed to eliminate the need for a separate isolated power supply in space-constrained isolated designs, making it ideal for applications requiring robust isolation and efficient power management.
Key Specifications
| Specification | Value |
|---|---|
| Package | SO-MOD (DWE) with 16 pins |
| Operating Temperature Range | -40°C to 125°C |
| Data Rate | 100 Mbps |
| RMS Isolation Rating | Up to 5000 V |
| Peak Surge Capability | Up to 10 kV |
| Input Supply Range | 3 V to 5.5 V |
| Output Power | Up to 0.65 W |
| Available Load Current | 130 mA (5 V to 5 V), 75 mA (3.3 V to 3.3 V), 40 mA (3.3 V to 5 V) |
| Propagation Delay | 13 ns Typ (5-V supply) |
| Safety Certifications | 7071-V PK reinforced isolation per DIN V VDE V 0884-11:2017-01, CSA, CQC, TUV certifications |
Key Features
- Robust isolation barrier with >100-Year projected lifetime at 1 kV RMS working voltage
- Integrated high-efficiency DC-DC converter with on-chip transformer
- Regulated 5-V or 3.3-V output
- Soft-start to limit inrush current, overload and short-circuit protection, thermal shutdown
- Default output: High and Low options
- Low propagation delay and robust electromagnetic compatibility (EMC)
- System-level ESD, EFT, and surge immunity
- ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
- Low emissions
- Extended temperature range: –40°C to +125°C
Applications
The ISOW7840DWE is suitable for various applications requiring high isolation and efficient power management, such as industrial control systems, medical devices, renewable energy systems, and any system needing robust digital isolation and integrated power conversion.
Q & A
- What is the primary function of the ISOW7840DWE?
The ISOW7840DWE is a quad-channel reinforced digital isolator with an integrated high-efficiency DC-DC converter, providing isolated power and data isolation. - What is the data rate of the ISOW7840DWE?
The data rate is up to 100 Mbps. - What are the input and output voltage ranges of the ISOW7840DWE?
The input supply range is 3 V to 5.5 V, and the output can be regulated to 5 V or 3.3 V. - What is the maximum output power of the ISOW7840DWE?
The maximum output power is up to 0.65 W. - What safety certifications does the ISOW7840DWE have?
The device has certifications such as 7071-V PK reinforced isolation per DIN V VDE V 0884-11:2017-01, CSA, CQC, and TUV certifications. - What is the operating temperature range of the ISOW7840DWE?
The operating temperature range is -40°C to 125°C. - Does the ISOW7840DWE have protection features?
Yes, it includes soft-start, overload and short-circuit protection, and thermal shutdown. - What is the propagation delay of the ISOW7840DWE?
The propagation delay is 13 ns Typ (5-V supply). - Is the ISOW7840DWE immune to electromagnetic interference?
Yes, it has robust electromagnetic compatibility (EMC) and system-level ESD, EFT, and surge immunity. - What package type does the ISOW7840DWE come in?
The device comes in a 16-pin SO-MOD (DWE) package.
