Overview
The ISOW7844DWER is a high-performance, quad-channel reinforced digital isolator with an integrated high-efficiency power converter, produced by Texas Instruments. This device is part of the ISOW784x family and is designed to provide robust isolation and power conversion in a single package. It is particularly useful in applications requiring high electromagnetic immunity and low emissions, while isolating CMOS or LVCMOS digital I/Os.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 5.5 | 5.5 | V |
| Isolated Supply Voltage (VISO) | 4.5 | 5.07 | 5.43 | V |
| Data Rate | - | 100 | - | Mbps |
| Ambient Temperature (TA) | -40 | - | 125 | °C |
| Isolation Voltage (VIORM) | - | - | 1414 | VAC (bipolar) |
| ESD Protection (IEC 61000-4-2) | - | - | ±8 kV | - |
| Power Dissipation (PD) | - | - | 1.02 | W |
| Efficiency at Maximum Load | - | - | 53% | - |
| Package Type | - | - | 16-pin SOIC-WB (DWE) | - |
Key Features
- High-performance, quad-channel reinforced digital isolator with integrated high-efficiency power converter.
- Up to 5000 VRMS isolation rating and >100-year projected lifetime at 1 kVRMS working voltage.
- System-level ESD, EFT, and surge immunity with ±8 kV IEC 61000-4-2 contact discharge protection.
- Low emissions and high electromagnetic immunity.
- Extended temperature range: -40°C to +125°C.
- Safety-related certifications including DIN V VDE V 0884-11:2017-01, UL 1577, CSA, CQC, and TUV certifications.
- Integrated DC-DC converter providing up to 650 mW of isolated power.
- Configurable for various input and output voltage configurations.
Applications
- Industrial automation.
- Motor control.
- Grid infrastructure.
- Medical equipment.
- Test and measurement.
Q & A
- What is the primary function of the ISOW7844DWER?
The ISOW7844DWER is a quad-channel reinforced digital isolator with an integrated high-efficiency power converter, designed to isolate CMOS or LVCMOS digital I/Os while providing isolated power.
- What is the maximum data rate supported by the ISOW7844DWER?
The device supports a data rate of up to 100 Mbps.
- What are the operating temperature ranges for the ISOW7844DWER?
The device operates within an ambient temperature range of -40°C to +125°C.
- What is the isolation voltage rating of the ISOW7844DWER?
The device has a maximum repetitive peak isolation voltage (VIORM) of 1414 VAC (bipolar) and a working isolation voltage (VIOWM) as specified.
- What certifications does the ISOW7844DWER hold?
The device holds certifications such as DIN V VDE V 0884-11:2017-01, UL 1577, CSA, CQC, and TUV certifications.
- How much isolated power can the ISOW7844DWER provide?
The integrated DC-DC converter can provide up to 650 mW of isolated power.
- What is the package type of the ISOW7844DWER?
The device is available in a 16-pin SOIC-WB (DWE) package.
- What are the key safety features of the ISOW7844DWER?
The device features system-level ESD, EFT, and surge immunity with ±8 kV IEC 61000-4-2 contact discharge protection.
- Can the ISOW7844DWER be used in medical equipment?
Yes, the device is suitable for use in medical equipment due to its robust isolation and safety certifications.
- How efficient is the power converter in the ISOW7844DWER?
The power converter has an efficiency of up to 53% at maximum load current.
