Overview
The ISO6721FQDWVRQ1 is a digital isolator produced by Texas Instruments, designed for general-purpose and automotive applications. This device utilizes capacitive coupling technology to provide reliable and robust isolation between different parts of a system. It is particularly useful in preventing noise currents on data buses, such as CAN and LIN, from damaging sensitive circuitry. The ISO6721FQDWVRQ1 is part of the ISO672x-Q1 family, which is known for its enhanced electromagnetic compatibility, easing system-level ESD, EFT, surge, and emissions compliance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOIC wide-body (DWV) and SOIC narrow-body (D) | |
| Number of Isolation Channels | 2 (1 channel in each direction) | |
| Maximum Transient Isolation Voltage | 7071 VPK (DWV-8), 4242 VPK (D-8) | V |
| Maximum Repetitive Peak Isolation Voltage | 1500 VPK (DWV-8), 637 VPK (D-8) | V |
| Maximum Surge Isolation Voltage | 6250 VPK (DWV-8), 5000 VPK (D-8) | V |
| Reinforced Insulation | 600 VRMS (CSA 62368-1:19 and IEC 62368-1:2018) | V |
| Supply Current (DC signal) | 2.1 - 4.7 mA | mA |
| Supply Current (AC signal, 1 Mbps) | 2.7 - 4.1 mA | mA |
| Supply Current (AC signal, 10 Mbps) | 3.3 - 4.7 mA | mA |
| Supply Current (AC signal, 50 Mbps) | 6.0 - 7.7 mA | mA |
| Common-Mode Transient Immunity (CMTI) | Typical: 150 kV/μs, Minimum: 100 kV/μs | kV/μs |
Key Features
- High Isolation Voltage: Provides maximum transient, repetitive peak, and surge isolation voltages to ensure robust isolation.
- Enhanced Electromagnetic Compatibility: Designed to ease system-level ESD, EFT, surge, and emissions compliance through innovative chip design and layout techniques.
- Low Power Consumption: Offers efficient supply current levels for both DC and AC signal operations.
- High Common-Mode Transient Immunity (CMTI): Typical CMTI of 150 kV/μs and minimum of 100 kV/μs.
- Safety Certifications: Certified according to various safety standards including VDE, CSA, UL, CQC, TUV, and more.
- Automotive and General-Purpose Applications: Suitable for use in automotive and other general-purpose applications requiring reliable isolation.
Applications
- Automotive Systems: Used in automotive applications to protect against short-circuits and ensure reliable operation of critical systems.
- Industrial Control Systems: Applied in industrial control systems to isolate data buses such as CAN and LIN from noise currents.
- Medical Devices: Utilized in medical devices requiring high isolation and safety standards, such as in patient monitoring and diagnostic equipment.
- Consumer Electronics: Used in consumer electronics to enhance the reliability and safety of devices by providing robust isolation).
Q & A
- What is the ISO6721FQDWVRQ1 used for?
The ISO6721FQDWVRQ1 is a digital isolator used to prevent noise currents on data buses from damaging sensitive circuitry, particularly in automotive and industrial applications.
- What are the key safety certifications for the ISO6721FQDWVRQ1?
The device is certified according to various safety standards including VDE, CSA, UL, CQC, TUV, and more).
- What is the maximum transient isolation voltage of the ISO6721FQDWVRQ1?
The maximum transient isolation voltage is 7071 VPK for the DWV-8 package and 4242 VPK for the D-8 package).
- What is the common-mode transient immunity (CMTI) of the ISO6721FQDWVRQ1?
The typical CMTI is 150 kV/μs, and the minimum is 100 kV/μs).
- What are the supply current levels for the ISO6721FQDWVRQ1?
The supply current levels vary from 2.1 to 7.7 mA depending on the operating conditions and data rate).
- What package types are available for the ISO6721FQDWVRQ1?
The device is available in SOIC wide-body (DWV) and SOIC narrow-body (D) packages).
- Is the ISO6721FQDWVRQ1 suitable for automotive applications?
Yes, the ISO6721FQDWVRQ1 is highly suitable for automotive applications, providing protection against short-circuits and ensuring reliable operation).
- What is the data rate capability of the ISO6721FQDWVRQ1?
The device supports data rates up to 50 Mbps).
- Does the ISO6721FQDWVRQ1 have reinforced insulation?
Yes, it provides 600 VRMS reinforced insulation according to CSA 62368-1:19 and IEC 62368-1:2018).
- Is the ISO6721FQDWVRQ1 a pin-to-pin upgrade to older generations?
Yes, the ISO6721FQDWVRQ1 is a pin-to-pin upgrade to older generations of digital isolators).
