TLP281 4 Channel Optocoupler Isolation Module
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TLP281 4 Channel Optocoupler Isolation Module

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  • Product SKU: KG573
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Specification

Description

TLP281 4 Channel Optocoupler Isolation Module

The TLP281 4 Channel Optocoupler Isolation Module is designed to safely connect low-voltage digital systems (such as 5V microcontrollers) with high-voltage or electrically noisy systems. It provides effective electrical isolation, creating a noise barrier between sensitive control electronics and high-power devices.

This module uses the TLP281 opto-isolator IC along with discrete transistors to ensure proper logic-level signal correction. It is especially suitable for use in high-noise environments such as motor control and industrial automation applications, where signal isolation is critical.

Technical Specifications

  • Optocoupler IC: TLP281-4
  • Number of Channels: 4
  • Maximum Voltage: 24V
  • Maximum Absorption Current: 500 mA
  • HVCC (High Voltage Supply): Maximum 24V
  • Module Size (L × W): 25 × 24 mm

Features

  • Provides isolation between low-voltage and high-voltage circuits
  • Uses TLP281-4 IC with 4 internal LEDs and 4 photodiodes
  • Supports 4 independent high-voltage control channels
  • Protects microcontrollers from electrical noise and voltage spikes
  • Suitable for noisy and industrial environments
  • Reliable signal transmission with electrical isolation

Applications

  • Motor control and motor driver isolation
  • Servo motor ON/OFF control
  • Industrial automation systems
  • Microcontroller I/O isolation
  • High-voltage signal switching