Hit the brakes on discrete LED circuit designs - Power management - Technical articles - TI E2E support forums
![transistors - High side or low side LED driver with NPN BJT? Which is better? - Electrical Engineering Stack Exchange transistors - High side or low side LED driver with NPN BJT? Which is better? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/tG8nQ.png)
transistors - High side or low side LED driver with NPN BJT? Which is better? - Electrical Engineering Stack Exchange
![Would this LED Driver actually be do-able with reasonable parts like an LM358? Or is there some parameter in the Transistor/Op-Amp that's pretty much impossible in reality? I'm expecting yes but why? : Would this LED Driver actually be do-able with reasonable parts like an LM358? Or is there some parameter in the Transistor/Op-Amp that's pretty much impossible in reality? I'm expecting yes but why? :](https://preview.redd.it/j2lwf1swvhn71.png?width=640&crop=smart&auto=webp&s=bf01b55af1272eaaa98d6d9b3c5eea378ff42614)
Would this LED Driver actually be do-able with reasonable parts like an LM358? Or is there some parameter in the Transistor/Op-Amp that's pretty much impossible in reality? I'm expecting yes but why? :
![NPN LED Driver - Why an extra resistor to ground at the Base? | Electronics Forum (Circuits, Projects and Microcontrollers) NPN LED Driver - Why an extra resistor to ground at the Base? | Electronics Forum (Circuits, Projects and Microcontrollers)](https://i.imgur.com/uiVisGR.jpg)