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latching-press-on-press-off-high-side-switch-circuit.png, Push Button ON-OFF Soft Latch Circuits, Battery Powered Touch Toggle ON OFF Switch, Momentary Button MOSFET Power Switch for Microcontrollers
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Latch and Toggle Power Circuits
Push Button ON-OFF Soft Latch Circuits, Battery Powered Touch Toggle ON OFF Switch, Momentary Button MOSFET Power Switch for Microcontrollers
Application note for electronic latch circuits using logic gates and MOSFETs that detect a push button press to switch ON power to your embedded system. Because their MOSFET switches consume no current in the OFF state, these circuits are useful for battery powered portable instruments. A momentary button press turns a power MOSFET ON, and holding it for a few seconds turns it OFF.
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