TLP250 is widely used in power electronics products like AC-Dc Inverters, Motor Drives and similar applications. It is an opto-coupler based isolated driver of power switches.
But before soldering a TLP250 IC, it is required to test whether the IC is functioning ok or not.
Here is the easy way to test TLP250 IC to ensure that it is working fine.
Look at the circuit below.
Connect the component on the breadboard, supply the voltage and put the IC under test on the breadboard.
How to check:
If IC TLP250 is ok then,
LED 1 will glow when the circuit is supplied by the 12V.
And LED 2 will glow (LED 1 will be turned off) when pin 2 is supplied by the 12V through the 1k register as visible in circuit diagram.
This way you can ensure that the TL250 is working fine before soldering it to the main circuit board.
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