TLP2745(TP,E

The TLP2745(TP,E) is an optocoupler manufactured by Toshiba, designed for high-speed data communication and isolation in electronic circuits. This device is part of the TLP series of optocouplers, which are known for their reliability and performance in various applications, including industrial automation, consumer electronics, and telecommunications.

Key Features:

1. Isolation Voltage: The TLP2745 provides a high isolation voltage, typically rated at 5000 Vrms, ensuring safe operation between the input and output sides, which is crucial for protecting sensitive components from voltage spikes and noise.

2. Data Rate: This optocoupler supports high-speed data transmission, with a typical data rate of up to 10 Mbps. This makes it suitable for applications requiring fast signal transfer, such as in communication interfaces.

3. Input Configuration: The TLP2745 features a photodiode and a transistor configuration. The input side consists of an infrared LED that, when activated, emits light. This light is detected by a phototransistor on the output side, allowing for the transfer of signals while maintaining electrical isolation.

4. Output Configuration: The output is typically an NPN phototransistor, which can be used to drive various loads. The transistor can switch on and off in response to the input signal, providing a digital output that can interface with microcontrollers and other digital logic devices.

5. Operating Temperature Range: The device is designed to operate within a wide temperature range, typically from -40°C to +100°C, making it suitable for use in diverse environmental conditions.

6. Package Type: The TLP2745 is available in a compact DIP (Dual In-line Package) form factor, which facilitates easy integration into circuit boards. The package design also aids in minimizing space usage while providing robust performance.

7. Low Power Consumption: The optocoupler is designed for low power consumption, which is beneficial for battery-operated devices and energy-efficient applications.

8. Applications: Common applications for the TLP2745 include signal isolation in microcontroller interfaces, data communication systems, switching power supplies, and various industrial control systems.

Electrical Characteristics:

• Forward Current (IF): The typical forward current for the input LED is around 10 mA, which is standard for many optocouplers.
• Collector Current (IC): The output phototransistor can handle collector currents up to 50 mA, allowing it to drive moderate loads directly.
• Voltage Ratings: The output collector-emitter voltage (VCE) is typically rated at 30 V, making it suitable for a variety of applications.

Conclusion:

The TLP2745(TP,E) from Toshiba is a versatile and reliable optocoupler that provides excellent isolation and high-speed data transfer capabilities. Its robust design and wide range of applications make it a popular choice for engineers looking to implement isolation in their electronic designs. Whether used in consumer electronics or industrial automation, the TLP2745 is engineered to meet the demands of modern electronic systems.