Overview
The Texas Instruments ISOW7842DWER is a high-performance, quad-channel digital isolator with an integrated high-efficiency DC-DC converter. This device is part of the ISOW784x family, designed to provide robust isolation and power conversion in a single package. It eliminates the need for a separate isolated power supply, making it ideal for space-constrained isolated designs. The ISOW7842DWER offers a wide range of features including high data rates, reinforced isolation, and built-in protection mechanisms, making it suitable for various industrial and automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SO-MOD (DWE), 16 pins |
| Operating Temperature Range | -40°C to +125°C |
| Data Rate | Up to 100 Mbps |
| Isolation Voltage | Up to 5000 Vrms |
| Surge Isolation Voltage | Up to 10 kV peak |
| CMTI (min) | ±100 kV/µs |
| Input Supply Range | 3 V to 5.5 V |
| Output Power | Up to 0.65 W |
| Available Load Current | 5 V to 5 V: ≥ 130 mA, 5 V to 3.3 V: ≥ 130 mA, 3.3 V to 3.3 V: ≥ 75 mA, 3.3 V to 5 V: ≥ 40 mA |
| Propagation Delay Time | 13 ns (typical at 5 V supply) |
| ESD Protection | ±8 kV IEC 61000-4-2 contact discharge |
| Safety Certifications | UL 1577, CSA, CQC, TUV, DIN V VDE V 0884-11:2017-01 |
Key Features
- High-performance, quad-channel digital isolator with integrated high-efficiency DC-DC converter
- Reinforced isolation up to 5 kVrms and surge capability up to 10 kV peak
- High data rate capability up to 100 Mbps
- Wide input supply range of 3 V to 5.5 V and regulated output of 5 V or 3.3 V
- Up to 0.65 W of isolated power with soft-start to limit inrush current
- Overload and short-circuit protection, thermal shutdown
- Low propagation delay of 13 ns (typical at 5 V supply)
- Robust electromagnetic compatibility (EMC) and system-level ESD, EFT, and surge immunity
- ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier
- Low emissions and extended temperature range of -40°C to +125°C
Applications
- Industrial automation systems
- Motor control and drives
- Power supplies
- Inverters and solar inverters
- Energy storage systems
- Smart grid systems
- Home automation systems
- LED lighting
- Isolated CAN communication systems
Q & A
- What is the ISOW7842DWER?
The ISOW7842DWER is a high-performance, quad-channel digital isolator with an integrated high-efficiency DC-DC converter from Texas Instruments.
- What is the maximum data rate of the ISOW7842DWER?
The maximum data rate is up to 100 Mbps.
- What is the isolation voltage rating of the ISOW7842DWER?
The isolation voltage rating is up to 5000 Vrms.
- What are the input and output voltage configurations of the ISOW7842DWER?
The device has a wide input supply range of 3 V to 5.5 V and can provide regulated outputs of 5 V or 3.3 V.
- What kind of protection features does the ISOW7842DWER have?
The device features overload and short-circuit protection, thermal shutdown, and system-level ESD, EFT, and surge immunity.
- What is the propagation delay time of the ISOW7842DWER?
The propagation delay time is typically 13 ns at a 5 V supply.
- What are the safety certifications for the ISOW7842DWER?
The device is certified according to UL 1577, CSA, CQC, TUV, and DIN V VDE V 0884-11:2017-01 standards.
- What is the operating temperature range of the ISOW7842DWER?
The operating temperature range is -40°C to +125°C.
- What are some typical applications of the ISOW7842DWER?
Typical applications include industrial automation, motor control and drives, power supplies, inverters, solar inverters, energy storage systems, smart grid systems, home automation systems, LED lighting, and isolated CAN communication systems.
- What package type does the ISOW7842DWER come in?
The device is packaged in a 16-pin SO-MOD (DWE) package.
- Does the ISOW7842DWER have any ESD protection?
Yes, it has ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
