ISO7310FCDR

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Digital isolators are ICs that use magnetic or capacitive coupling signals to exchange digital information between isolated domains. They have been proven to reduce power consumption, extend system life, and reduce electrical noise interference.

ISO7310FCDR is one of these digital isolators. It is used for photovoltaic and fuel cell power conversion system. Its application field and working principle is as follows:

Application fields:

• Power Conversion Systems
• 3-Phase Power Supply Units
• DC Motor Control
• Motor Control
• Solar Cell Array
• Smart Grid Applications
• AC/DC Transducer
• Renewable Energy Systems.

Working principle:

The ISO7310FCDR is a digital isolator that utilizes capacitive coupling signals for the transmission of digital signals across electrically isolated domains. The capacitive coupling is achieved by using two capacitors which are connected to overlapping parts of the two circuits to be connected, thereby providing an electrically isolated link. The capacitors are designed to only pass frequencies within the specified range, which helps prevent electromagnetic interference. The ISO7310FCDR has a built in differential receiver, which allows it to detect small voltage changes between the two ends of the capacitive link. By detecting these changes, it can reliably transmit and receive data across an isolated domain.

The ISO7310FCDR supports up to 16 channels of digital signal transmission with each channel supported by a separate capacitor. It also supports multiple power supply levels ranging from 5V to 15V. Its operating temperature range extends from -40 to +85° C. The ISO7310FCDR has an isolation level of ±2.5kV and is rated for a minimum isolation lifetime of 500ms.

In summary, the ISO7310FCDR is a digital isolator that utilizes capacitive coupling signals for the transmission of digital signals across electrically isolated domains. It supports up to 16 channels with a maximum power supply level of 15V and an isolation level of ±2.5kV. It is used for a variety of applications including power conversion systems, AC/DC transducers, renewable energy systems, etc.

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