FOD3182V

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The FOD3182V is an isolation amplifier mainly used for driving and isolating small and medium power MOSFETs and IGBTs in applications such as motor drives, power converters, and power conditioning systems. The device integrates a high-voltage MOSFET driver and a galvanically isolated 10BASE-T Ethernet physical layer IC. It provides an isolation voltage of up to 2.5 kVAC and a temperature range of -40 °C to +85 °C.

The FOD3182V consists of two galvanically isolated Functional Blocks. The first block is referred to as the Driver Block. It is an optimized half-bridge gate driver with a push-pull current controller for supplying the necessary gate control current at higher switching frequencies. The device also provides the user with programmable on-time and off-time delays of up to 4 µs. It produces positive and negative voltage and current levels to switch the logic-level MOSFETs.

The second block of the FOD3182V is the Ethernet Block. It is a 10BASE-T physical layer IC with a built-in transformer for galvanic isolation of the network and the MCU. This helps to protect the system against damaging electrical noise, static voltages, and any other kind of voltage spikes present in the environment. The Ethernet Block is also able to detect the connection status of the Ethernet cable and calculate an IP address, saving the user from manually entering it every time the system is powered on or reset.

The FOD3182V is a robust and reliable device designed for high-power applications. Its isolation voltage capability and Ethernet connectivity make it an ideal choice for motor drives, power converters, and power conditioning systems. Its high frequency operation capability and operational temperature range make it a suitable choice for many industrial and automotive applications.

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