MAX22445 supports high-throughput safe, small-size industrial automation systems
Maxim announced the launch of the highly reliable MAX22445 5kVRMS four-channel reinforced digital isolator to help designers better protect industrial systems from the threat of high-voltage signals. Compared with competing solutions, the MAX22445's throughput rate is increased by 2 times and power consumption is reduced by 4 times, providing reliable communication for both sides of the electrical isolation, ensuring the safe operation of size-constrained industrial and medical equipment.
In high-voltage equipment, digital isolators provide signal isolation and level conversion to ensure the normal operation of the circuit and prevent users from encountering high-voltage threats such as electric shocks. Of course, there are big differences between isolator products. Many isolators consume a lot of power, generate serious heat, and introduce large transmission delays, which limit the reliability and throughput of the system.
MAX22445 overcomes the shortcomings of other digital isolators and provides a reinforced, double-insulation isolation layer to support fast digital signal transmission. The IC can transmit signals up to 200Mbps, and its power consumption is much lower than competing solutions. The device is packaged in a 16-pin wide-body SOIC package with a creepage distance and clearance of 8mm.
Main advantages of MAX22445• Low power consumption: When 1Mbps and VDD is 1.8V, the current consumption and power consumption per channel are only 0.41mA and 0.74mW. Compared with competing solutions, IC power consumption is reduced by 4 times, heat is reduced, and reliable and compact design is supported.
• High rate: The maximum transmission delay is 10.5ns, and the maximum data rate is 200Mbps. It supports fast, high-precision data acquisition and high-speed interface, and provides a wide timing margin. Compared with other solutions, IC throughput is increased by 2 times.
• Stable and reliable: The dual isolation layer provides 5kVRMS and 10kV surge protection to ensure that the product maintains reliable performance during long-term operation and meets operational safety standards.
Evaluation
• "MAX22445 achieves a perfect balance between reliable isolation, dynamic performance, and power consumption, helping engineers develop safe, high-throughput, and compact factory automation systems." said Jeff DeAngelis, managing director of Maxim Integrated's Industrial and Medical Division.
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