Broadcom Optocouplers
Broadcom Optocouplers provide a reliable isolation solution in applications such as variable-speed drives, electric vehicles, induction cookers, and solar inverters. The devices are the preferred solution for insulation and isolation. The Broadcom Optocouplers feature isolation amplifier (iso-amps) products with higher performance and smaller packages.
The Broadcom Optocouplers are used broadly in industrial networking systems for countless purposes. The devices enable electrical circuits and highly diverse voltage levels to operate together and can be coupled while remaining electrically isolated or galvanically separated. The products also guarantee error-free data transmission, maintain data integrity, and protect interconnected equipment for high-speed Fieldbus communications.
Optocouplers are used in industrial communication applications, including industrial input-output systems, sensors and temperature control systems, power supplies and regulation systems, electric motor control and drive systems, instrumentation, and medical systems.
Series Features
Applications
- Current/voltage sensing in AC and servo motor drives
- Solar and wind turbine inverters
- Industrial process control
- Data acquisition systems
- Switching power supply signal isolation
- General-purpose analog signal isolation
- General-purpose inverter
Optical isolator construction
The input voltage range and power dissipation in the shunt resistor limit the maximum current. With a 200mV input voltage range, currents of 150A are easily implemented. However, if state-of-the-art shunt resistors and thermal management are applied, currents of 500A are within reach.
Circuit Diagram
Voltage & current sensing in a three phase motor drive application
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