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Low side NMOSFET switch.

3 years ago 783
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  • BOM
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Description

A simple demonstration of a low side power switch using an N channel MOSFET.

In this example the MOSFET is being used to drive a simulated relay.

Just press CTRL+R to run the simulation.

The Infineon IPW60R041C6_L0 spice subckt model is in the EasyEDA library.

To create a simulation using this device, simply place the NMOS_E symbol from the EasyEDA Libs in the left hand Navigation panel, select the symbol in the schematic, press the 'I' key, then change the 'Spice Prefix' from 'M' to 'X' and click OK.

Then double click on the 'NMOS_E' name, change it to 'IPW60R041C6_L0' then click back on the schematic canvas.

Done!

BTW, the RELAY_SPDT_EE spice model and symbol are in the library too.

Just do a SHIFT+F search for 'RELAY_SPDT_EE', place it in the schematic and it will run in simulation.

Documents

Low side NMOSFET switch

BOM

ID Name Designator Footprint Quantity
1 IPW60R041C6_L0 M1 NONE 1
2 PULSE(0.5 10 0.5m 100u 100u 5m) V1 2P-5.0 1
3 12 V2 2P-5.0 1
4 1k R1,R2 R3 2
5 RELAY_SPDT_EE RLY1 NONE 1
6 1N4001 D1 DO35-7 1

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