Texas Instruments

ISO1640BQDRQ1  

Digital Isolators

ISO1640BQDRQ1 Description

The ISO1640BQDRQ1 is a high-performance, automotive-grade digital isolator from Texas Instruments, designed for robust and reliable communication in demanding environments. With its unique hot-swappable capability and robust isolation, it stands out among similar models in the market. This device is ideal for applications requiring high isolation voltage and immunity to common mode transients, ensuring reliable operation in the presence of electrical noise and harsh conditions.

ISO1640BQDRQ1 Features

• Technology: Capacitive coupling ensures high isolation voltage and immunity to common mode transients, providing reliable communication in noisy environments.
• Isolation Voltage: 3000Vrms isolation ensures safety and protection against high voltage transients.
• Common Mode Transient Immunity: Min 50kV/µs immunity ensures reliable operation in the presence of electrical noise.
• Pulse Width Distortion: Max 45ns distortion ensures minimal signal degradation.
• Propagation Delay: Max 57ns (tpLH) and 88ns (tpHL) delays ensure fast signal transmission.
• Number of Channels: 2 bidirectional channels provide flexibility for various applications.
• Voltage - Supply: 3V to 5.5V supply voltage range ensures compatibility with various power sources.
• Mounting Type: Surface mount packaging allows for easy integration into PCB designs.
• Package: Tape & Reel (TR) packaging is suitable for automated assembly processes.
• Grade: Automotive-grade device ensures long-term reliability and performance in harsh automotive environments.
• Moisture Sensitivity Level (MSL): Level 2 (1 Year) ensures resistance to moisture-related issues.

ISO1640BQDRQ1 Applications

The ISO1640BQDRQ1 is ideal for various automotive applications where high isolation and immunity to electrical noise are critical. Some specific use cases include:

1. Battery Management Systems (BMS): The high isolation voltage and immunity to common mode transients make it suitable for communication between battery cells and the BMS controller.
2. In-Vehicle Networking: The device's robust isolation and immunity to noise make it ideal for communication between various electronic control units (ECUs) in the vehicle.
3. Electrical Power Steering (EPS) Systems: The ISO1640BQDRQ1 can be used for communication between the EPS controller and the motor driver, ensuring reliable operation in the presence of electrical noise.
4. Hot-Swappable Applications: The unique hot-swappable capability makes it suitable for applications where components need to be replaced without powering down the system, such as in electric vehicle charging systems.

Conclusion of ISO1640BQDRQ1

The ISO1640BQDRQ1 from Texas Instruments is a high-performance, automotive-grade digital isolator that offers unique features and advantages over similar models. Its robust isolation, immunity to common mode transients, and hot-swappable capability make it an ideal choice for various automotive applications where reliable communication is critical. With its automotive-grade performance and long-term reliability, the ISO1640BQDRQ1 is a valuable component for ensuring the safety and performance of modern vehicles.

ISO1640BQDRQ1 Documents

Download datasheets and manufacturer documentation for ISO1640BQDRQ1

PCN :

Product Change Notification 2024-06-05 (PDF)       Product Change Notification (PDF)      

Application Notes :

How to Isolate Signal and Power for I2C (Rev. B)