Op Amp Dummy Load Circuit Diagram
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Op Amp Dummy Load Circuit Diagram

5K

1K

10K

100nf

5v

Gnd

150R

12v In

0.1R

IRF1404

+


_

v+

v-

output

Op Amp Dummy Load Circuit

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publish time: 2021-09-30
Captain O Captain

Sometimes you don't decide that which Lithium-ion battery is original and which battery is fake. So to overcome this problem this circuit has been designing which is called a dummy load circuit. This type of dummy load circuit is usually used to find the capacity of Lithium-ion batteries. We can adjust the load by just simply rotating a Potentiometer. What is a Dummy Load? A dummy load is a device used to simulate an electrical load, usually for testing purposes. This dummy load circuit is usually used to determine whether the Lithium-ion battery is fake or real by testing its capacity. We have a potentiometer through which we can adjust the load. Here we use an op-amp IC and few more components to make the circuit. While using this circuit attach a big heat sink with the MOSFET which prevents it from being fried. Components Needs: 1) Op-Amp IC 2) 1k, 10k, 150ohm, 0.1ohm 5 watt Resistance 3) 5k Potentiometer 4) 100nf Capacitor 5) IRZ1404 Mosfet

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