HCPL-7800A-500E

Product Overview

Category

HCPL-7800A-500E belongs to the category of optocouplers or optoisolators.

Use

Optocouplers are electronic components used to transfer electrical signals between two isolated circuits by utilizing light. They provide electrical isolation and protect sensitive components from high voltages, noise, and voltage spikes.

Characteristics

• HCPL-7800A-500E is a high-speed optocoupler designed for applications requiring high data rates.
• It offers excellent performance in terms of speed, reliability, and noise immunity.
• The device operates over a wide temperature range, making it suitable for various environments.
• HCPL-7800A-500E provides galvanic isolation, ensuring safety and preventing ground loops.

Package

HCPL-7800A-500E comes in a compact and industry-standard 8-pin DIP (Dual Inline Package) package.

Essence

The essence of HCPL-7800A-500E lies in its ability to transmit electrical signals across an isolation barrier using an LED and a photodetector. This ensures that the input and output sides of the circuit are electrically isolated, protecting sensitive components from potential damage.

Packaging/Quantity

HCPL-7800A-500E is typically available in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Isolation Voltage: 5000 Vrms
• Data Rate: Up to 10 Mbps
• Supply Current: 15 mA (max)
• Operating Temperature Range: -40°C to +85°C
• Input Current: 5 mA (max)
• Output Voltage: 3.5 V (max)

Detailed Pin Configuration

1. VCC: Power supply for the internal circuitry.
2. GND: Ground reference for the internal circuitry.
3. NC: No connection (unused pin).
4. Anode: Anode of the internal LED.
5. Cathode: Cathode of the internal LED.
6. VOUT: Output voltage terminal.
7. GND: Ground reference for the output side.
8. VIN: Input voltage terminal.

Functional Features

• High-speed data transmission capability.
• Wide operating temperature range.
• Low power consumption.
• High isolation voltage for enhanced safety.
• Compact and industry-standard package for easy integration.

Advantages and Disadvantages

Advantages

• Provides electrical isolation between input and output circuits.
• Protects sensitive components from high voltages, noise, and voltage spikes.
• Offers high-speed data transmission.
• Wide operating temperature range allows for versatile applications.

Disadvantages

• Limited to a maximum data rate of 10 Mbps.
• Requires additional circuitry for voltage level shifting if interfacing with different voltage domains.

Working Principles

HCPL-7800A-500E works on the principle of optoelectronics. When an electrical signal is applied to the input side, the internal LED emits light proportionate to the input signal. This light is then detected by the photodetector on the output side, which converts it back into an electrical signal. The input and output sides are electrically isolated, ensuring no direct electrical connection between them.

Detailed Application Field Plans

HCPL-7800A-500E finds applications in various fields, including:

1. Industrial automation: Used for isolating control signals in motor drives, PLCs (Programmable Logic Controllers), and industrial communication systems.
2. Power electronics: Provides isolation in high-voltage applications such as inverters, power supplies, and solar energy systems.
3. Medical equipment: Ensures patient safety by isolating sensitive medical devices from the power supply and other electrical components.
4. Telecommunications: Used in communication systems to isolate signals, prevent ground loops, and protect sensitive equipment.

Detailed and Complete Alternative Models

1. HCPL-7800-000E
2. HCPL-7800B-300E
3. HCPL-7800C-200E
4. HCPL-7800D-100E

These alternative models offer similar functionality and characteristics, with slight variations in specifications and performance.

In conclusion, HCPL-7800A-500E is a high-speed optocoupler that provides electrical isolation and reliable signal transmission. Its compact package, wide operating temperature range, and high data rate make it suitable for various applications in industries such as industrial automation, power electronics, medical equipment, and telecommunications.