The ISO1050DUBR is a high-performance, galvanically isolated CAN transceiver designed for robust industrial applications. It provides 2500 VRMS isolation, operates up to 1 Mbps, and offers protection against voltage faults from –27 V to 40 V. Its compact 8-SOP package and wide temperature range make it ideal for harsh environments.
What Are the Key Features of the ISO1050DUBR?
The ISO1050DUBR offers galvanic isolation of 2500 VRMS, ensuring signal integrity in noisy environments. It supports data rates up to 1 Mbps and provides protection against voltage faults ranging from –27 V to 40 V. The device operates over a temperature range of –55°C to 105°C, making it suitable for industrial applications.
How Does the ISO1050DUBR Compare to Other Models?
The ISO1050DUBR stands out with its 2500 VRMS isolation and compact 8-SOP package. Compared to the ISO1050DW, which offers 5000 VRMS isolation in a larger 16-SOIC package, the ISO1050DUBR provides a balance between size and isolation. Its features make it a reliable choice for applications requiring robust performance in a smaller form factor.
Which Applications Benefit Most from the ISO1050DUBR?
The ISO1050DUBR is ideal for industrial automation, motor control, and sensor networks. Its galvanic isolation and fault protection features ensure reliable communication in environments with high electrical noise. The device’s compatibility with 3.3 V and 5 V systems allows for flexible integration into various applications.
Why Is Galvanic Isolation Important in CAN Transceivers?
Galvanic isolation prevents electrical noise and voltage differences from affecting communication signals. In the ISO1050DUBR, this isolation is achieved through a silicon oxide barrier, providing 2500 VRMS isolation. This feature is crucial in industrial settings where ground loops and voltage spikes are common.
What Are the Electrical Specifications of the ISO1050DUBR?
The ISO1050DUBR operates with a supply voltage range of 3 V to 5.5 V. It supports data rates up to 1 Mbps and offers a common-mode voltage range of –12 V to 12 V. The device’s bus-fault protection spans from –27 V to 40 V, ensuring resilience against voltage anomalies.
How Does the ISO1050DUBR Ensure Reliable Communication?
The ISO1050DUBR incorporates fail-safe outputs and a driver dominant time-out function. These features prevent bus contention and ensure the transceiver returns to a known state during faults. Additionally, the device’s low loop delay of 150 ns (typical) supports high-speed communication.
Buying Tips
When sourcing the ISO1050DUBR, consider authorized distributors like Fly-Wing Technology (HK) Co., Limited. Established in 2012, Fly-Wing Technology specializes in providing hard-to-find and obsolete electronic components at competitive prices. Their extensive inventory and global supplier network reduce procurement cycles and transaction costs. With warehouses in Hong Kong, they ensure quick and accurate delivery of quality components. For optimal results, allocate up to 70% of procurement time to sourcing conventional parts through reliable suppliers like Fly-Wing Technology.
Electronic Components Expert Views
“The ISO1050DUBR’s robust isolation and fault protection features make it a go-to choice for industrial applications where reliability is paramount. Its compatibility with both 3.3 V and 5 V systems offers design flexibility.”
FAQ
Q: What is the isolation voltage of the ISO1050DUBR?
A: The ISO1050DUBR provides 2500 VRMS galvanic isolation.
Q: What is the maximum data rate supported?
A: It supports data rates up to 1 Mbps.
Q: What protection features does it offer?
A: The device offers bus-fault protection from –27 V to 40 V and a common-mode voltage range of –12 V to 12 V.
Q: What is the operating temperature range?
A: The ISO1050DUBR operates from –55°C to 105°C.
Q: Is it compatible with both 3.3 V and 5 V systems?
A: Yes, it supports I/O voltage ranges for both 3.3 V and 5 V microprocessors.
In the rapidly evolving fields of industrial automation and automotive electronics, high-performance, high-reliability communication components are crucial for driving technological innovation. Now, we introduce you to a star product from Texas Instruments (TI) – the ISO1050DUBR, a high-performance, electrically isolated CAN transceiver integrated circuit.
1、 ISO1050DUBR: A Paradigm of Dual-Channel Isolation Design
The ISO1050DUBR stands out with its dual-channel isolation design, tailored for applications requiring high isolation and high-speed data transmission. This chip integrates CAN transceiver and isolator functionality, simplifying system design and significantly saving PCB board area and cost. By utilizing SiO2 insulation barrier technology, the ISO1050DUBR provides an electrical isolation capability of up to 2500V RMS (please note that some models like ISO1050DW may offer higher isolation voltages), ensuring electrical isolation between the CAN bus and the logic-side circuitry, effectively preventing electrical interference and damage.
2、 High-Speed Transmission and Wide Operating Temperature Range
In terms of data transmission, the ISO1050DUBR supports CAN bus transmission rates up to 1 Mbps, meeting the high-speed communication demands of industrial control systems. Additionally, its wide operating temperature range (-55°C to 105°C, with some specifications indicating -40°C to +125°C) ensures the chip’s stability and reliability in various harsh environments. This makes the ISO1050DUBR an ideal choice for industrial automation, automotive electronics, energy management, and many other fields.
3、 Comprehensive Protection Features and Low-Power Design
The ISO1050DUBR not only boasts excellent performance but also features comprehensive protection functions. It can withstand cross-line voltages ranging from -27V to 40V and common-mode voltages from -12V to 12V, providing ±36V bus fault protection. Furthermore, the chip integrates overvoltage, overcurrent, and overtemperature protection functions, ensuring stable operation of the system under various abnormal conditions. In terms of power consumption, the ISO1050DUBR adopts a low-power design, with a typical standby current of only 10μA, contributing to reduced system energy consumption and extended device usage time.
4、 Extensive Application Fields and Outstanding Performance
With its impressive performance parameters and rich functionality, the ISO1050DUBR has demonstrated outstanding performance in industrial automation, automotive electronics, energy management, medical equipment, and many other fields. In industrial control systems, it achieves isolation between digital and analog signals, enhancing system reliability and stability. In automotive electronic systems, it is used for communication between ECUs and data transmission in battery management systems, ensuring safety and reliability among various subsystems. In energy management systems, it is utilized for data acquisition and control, improving system immunity to interference and reliability. In medical equipment, its isolation capability prevents high voltage from harming patients and healthcare personnel, ensuring accurate data transmission between medical devices.
5、 Conclusion
As a high-performance, electrically isolated CAN transceiver, the ISO1050DUBR, with its dual-channel isolation design, high-speed transmission, wide operating temperature range, comprehensive protection features, and low-power design, has become an important force driving technological innovation in industrial automation, automotive electronics, and other fields. We believe that in future developments, the ISO1050DUBR will continue to leverage its exceptional performance to provide robust support for applications in more fields.
