The TLP185GR is a high-isolation voltage, low-input current optocoupler from Toshiba Semiconductor and Storage. It utilizes a gallium arsenide infrared emitting diode (LED) optically coupled to a phototransistor. This configuration provides robust electrical isolation between the input and output, making it suitable for applications where safety and noise immunity are critical.

Applications

• Programmable Logic Controllers (PLCs): Provides electrical isolation for input/output modules, protecting sensitive control circuitry from high voltage and noise.
• Inverter Circuits: Used for isolating gate drive signals in inverter designs, ensuring safe and efficient operation.
• AC Servo Motor Control: Isolates feedback and control signals in servo motor systems, enhancing system reliability and performance.
• Industrial Equipment: Protects microcontrollers and other sensitive components in harsh industrial environments from voltage spikes and electrical noise.
• Power Supplies: Enables isolation between the primary and secondary sides of power supplies, enhancing safety and preventing ground loops.

Features

• High Isolation Voltage: Offers a high level of electrical isolation, providing a safety barrier between different voltage domains.
• Low Input Current: Operates with a low input current, making it compatible with various digital logic circuits.
• High Common-Mode Transient Immunity: Exhibits excellent immunity to transient noise and voltage spikes, ensuring stable operation in noisy environments.
• Compact Package: Available in a small package, minimizing board space requirements.
• Fast Switching Speed: Supports high-speed switching, making it suitable for high-frequency applications.

Benefits

• Enhanced Safety: The high isolation voltage provides a critical safety barrier, protecting users and equipment from hazardous voltages.
• Improved Noise Immunity: The high common-mode transient immunity reduces the risk of false triggering and ensures reliable signal transmission.
• Reduced Power Consumption: The low input current requirement minimizes power consumption, making it suitable for energy-efficient applications.
• Space Saving: The compact package enables smaller and more compact designs, optimizing PCB layout.
• Reliable Performance: Manufactured to high-quality standards, ensuring long-term reliability and consistent performance.

Additional Details

The TLP185GR typically requires a forward current (IF) of around 5mA and can withstand a collector-emitter voltage (VCE) of up to 80V. The isolation voltage is typically 5000Vrms. Refer to the datasheet for precise operating conditions, parameters, and safety guidelines. It is available in a through-hole package and adheres to RoHS compliance standards.