Overview
The ISO7741BDWR is a high-performance, quad-channel digital isolator produced by Texas Instruments. This device is designed to provide robust electromagnetic compatibility (EMC) and reinforced insulation, making it suitable for a wide range of applications that require high isolation and low emissions. The ISO7741BDWR features three forward and one reverse-direction channels, ensuring flexibility in system design. It is part of the ISO774x family, which is known for its high-speed data transfer capabilities and compliance with various safety and regulatory standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 4 | |
| Forward/Reverse Channels | 3 forward / 1 reverse | |
| Data Rate | 100 | Mbps |
| Working Isolation Voltage (VIOWM) | 1500 | Vrms |
| Transient Isolation Voltage (VIOTM) | 8000 | Vpk |
| Surge Isolation Voltage (VIOSM) | 12800 | Vpk |
| Supply Voltage (VCC) | 2.25 - 5.5 | V |
| Operating Temperature Range | -55 to 125 | °C |
| Package Type | SOIC-16 (DW) | |
| Maximum Power Dissipation (both sides) | 165 | mW |
| Propagation Delay Time (typ) | 0.0107 | μs |
| Current Consumption per Channel (DC) (typ) | 0.88 | mA |
| Current Consumption per Channel (1 Mbps) (typ) | 1.48 | mA |
Key Features
- Robust EMC and low emissions at low power consumption
- High-speed data transfer up to 100 Mbps
- Reinforced insulation ratings according to VDE, CSA, TUV, and CQC
- Compliance with safety standards: UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1
- Quad-channel configuration with three forward and one reverse-direction channels
- Enable pins for high impedance output and reduced power consumption
- Extra-wide SOIC (DWW-16), wide-SOIC (DW-16), and QSOP (DBQ-16) package options
Applications
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
- Hybrid, electric, and powertrain systems (EV/HEV)
- Battery management systems (BMS)
- On-board chargers
- Traction inverters
- DC/DC converters
- Inverter and motor control
Q & A
- What is the maximum data rate of the ISO7741BDWR?
The ISO7741BDWR supports a maximum data rate of 100 Mbps. - What are the working isolation voltage and transient isolation voltage of the ISO7741BDWR?
The working isolation voltage (VIOWM) is 1500 Vrms, and the transient isolation voltage (VIOTM) is 8000 Vpk. - What are the package options available for the ISO7741BDWR?
The device is available in extra-wide SOIC (DWW-16), wide-SOIC (DW-16), and QSOP (DBQ-16) packages. - What safety standards does the ISO7741BDWR comply with?
The ISO7741BDWR complies with UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 safety standards. - What is the operating temperature range of the ISO7741BDWR?
The operating temperature range is -55°C to 125°C. - How many channels does the ISO7741BDWR have, and what is their direction?
The ISO7741BDWR has four channels, with three forward and one reverse-direction channel. - What is the typical propagation delay time of the ISO7741BDWR?
The typical propagation delay time is 0.0107 μs. - What is the current consumption per channel at DC and 1 Mbps for the ISO7741BDWR?
The current consumption per channel is typically 0.88 mA at DC and 1.48 mA at 1 Mbps. - What are some common applications of the ISO7741BDWR?
Common applications include industrial automation, motor control, power supplies, solar inverters, medical equipment, and hybrid, electric, and powertrain systems. - Does the ISO7741BDWR have enable pins for output control?
Yes, the ISO7741BDWR has enable pins that can be used to put the respective outputs in high impedance for multi-master driving applications and to reduce power consumption.
