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TLP281 4-way optocoupler isolation module high and low level expansion board electronic building blocks -70702
product detail
1. Function: Use low level to control high level. For example, use the 3V or 5V voltage of the microcontroller to control the 9V or 12v voltage.
2. HVCC should not exceed 24V. The output current of the output port OUT1/OUT2/OUT3/OUT4 is equal to HVCC/5.1K, and the current sink is 500ma.
3. This module uses Toshiba TLP281 chip
4. Schematic:
5. Input and output instructions:
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Input: IN1/IN2/IN3/IN4, connect to the IO port of the MCU or GND, and connect GND to the GND of the MCU or the development board. IN1/IN2/IN3/IN4 control OUT1/OUT2/OUT3/OUT4, respectively.
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Output: OUT1/OUT2/OUT3/OUT4
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Output: HVCC: Connect the controlled high voltage positive terminal, HGND connection is controlled high voltage negative
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Use: When IN1 is high, the corresponding OUT1 voltage is equal to HVCC. When IN1 is low, the voltage of OUT1 is equal to HGND.
6. Use examples:
The following example shows how to use the IO port of the microcontroller to control the 24V motor rotation. Motor working electricity
The pressure is 24V, the red "+" indicates the positive pole of the motor, and the black "-" indicates the negative pole of the motor. When the IO_0 port of the MCU outputs a high level, the motor rotates. When the IO_0 port outputs a low level, the motor stops rotating.
On Nov 27, 2023 at 20:22:29 PST, seller added the following information: