The TLP2631 is a high-speed, dual-channel optocoupler from Toshiba Semiconductor and Storage. It features two independent channels in a single package, providing galvanic isolation between input and output circuits. This isolation protects sensitive control circuitry from high voltages and noise, while enabling fast data transfer. The TLP2631 is designed for use in a variety of industrial, communication, and power control applications.

Applications

• Programmable Logic Controllers (PLCs): Provides isolation between the control circuitry and the output modules.
• Inverter circuits: Isolates the control signals from the high-voltage power stage.
• Switching power supplies: Ensures safe and reliable operation by isolating control and output sections.
• Motor control circuits: Protects microcontrollers from motor noise and high voltages.
• Data communication: Provides galvanic isolation in communication interfaces to prevent ground loops.

Features

• Dual-channel configuration: Offers two independent isolation channels in a single package.
• High-speed operation: Supports data rates up to 10 Mbps, making it suitable for fast data transmission.
• High isolation voltage: Withstands high voltages between input and output, ensuring safety and reliability.
• Low input current: Requires minimal drive current from the input signal.
• Wide operating temperature range: Functions reliably in a broad range of environmental conditions.

Benefits

• Galvanic isolation: Provides complete electrical isolation between input and output, protecting sensitive circuits from high voltages and noise.
• Improved system reliability: Enhances system robustness by preventing ground loops and voltage transients.
• Compact design: Dual-channel configuration saves board space compared to using two single-channel optocouplers.
• Fast data transfer: High-speed operation enables real-time control and data acquisition.
• Enhanced safety: High isolation voltage ensures operator and equipment safety in high-voltage applications.

Additional Details

The TLP2631 operates with a typical supply voltage of 5V. Its isolation voltage is rated at 3750 Vrms for one minute. The propagation delay is typically around 20 ns. This optocoupler uses a GaAlAs infrared emitting diode as the input and a high-gain, high-speed photodetector IC as the output. The operating temperature range typically spans from -25°C to +85°C. It is available in an 8-pin DIP package. This device is often used where high-speed signal transmission with galvanic isolation is crucial. It is a reliable component for protecting control systems in noisy industrial environments, preventing damage from overvoltage or surges. The dual-channel feature provides cost-effective and space-saving isolation solutions for various applications.