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Intelligent low-side switch

Intelligent low-side switch
Although a digital circuit for driving a load such as a lamp or a d.c. motor is fairly simple, it has a few drawbacks. It does not make the layout and constructicn of a printed-circuit board simpler. Space needs to be reserved for at least one resistor, one transistor and one diode. If the circuit consists of a number of such stages, this can be a problem. It would be far easier to use an IC that has all these components on board. Several types of this kind of IC are available, such as Texas Instruments Type TPlC2404.
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