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Questions tagged [totem-pole]

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1
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1answer
44 views

Inverter Mosfet Driving with Isolated Totempole Supply

simulate this circuit – Schematic created using CircuitLab I'm trying to make an inverter and I'm driving my mosfets with totempole configuration, the thing that confuses my mind is: Totempole ...
-4
votes
1answer
161 views

TTL NAND logic circuit

how can find the maximum fan-out of the TTL-NAND gate using LTSpice ? i tried to solve problem by hand, but the problem how to find fan-out using ltspice
3
votes
1answer
623 views

Totem Pole / Push Pull Circuit is not working properly

I have a simple switching circuit around 500Hz with 120V supply using Push Pull mosfet with high resistive load showed below but the output was not as expected, like this the blue line is the ...
5
votes
2answers
5k views

Difference between Push-Pull and Totem-Pole

I can't understand/see the difference between a push pull, for example a circuit like that: And a Totem-Pole: Have these circuit a transistor in the input so for get a thing like "double ...
0
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1answer
111 views

High speed parameters for transistor [closed]

How to choose a Bipolar Junction Transistor (BJT) for a switching frequency of 400KHz.
0
votes
1answer
7k views

TTL NAND gate (totem pole) current and voltage analysis

I am working on a few practice problems for my course and I am unsure about my working throughout. hoping for some feedback and guidance from the community as it's not my strongest topic. Here is ...
3
votes
3answers
2k views

Driving a 12V LED strip with an Arduino

I have 60 watt LED strip I want to control with an Arduino (the Genuino Mega 2560 actually). I found this tutorial which shows you how to do it for a white LED strip, but I am not sure whether I can ...
3
votes
2answers
394 views

Original 555 timer transistor output implementation

I am a beginner casual electronics hobbyist trying to learn about how chips work internally. In order to accomplish, this I went out and got a 555 timer soldering kit and started experimenting with it....
-1
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2answers
3k views

Totem pole vs open collector configuration

Can anyone please explain for power consumption view point only whether totem pole or open collector should be preferred with a bit explanation?
1
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2answers
762 views

Criticize Totem pole + Level Shifter topology

I'm designing a FET gate driver that allows 1.8V MCUs to control FETs up to 100kHz. FETs to be used will vary a lot so I'd like to have as much current drive as I can. I need it to be based on ...
0
votes
2answers
216 views

Achieving higher current at the lowside MOSFET to pulse LED

I have attached the following circuits which i have been developing overtime. The OBJECTIVE is to get as high as possible a current at the gate of the MOSFET (VF1) to achieve faster pulse times of ...
1
vote
2answers
818 views

Can I create a totem-pole structure by using two optocouplers?

I have two optocouplers. One of them uses NPN transistor and the other one uses PNP. Each of them explicitly give the base pin of their BJTs out. Can I make a totem pole structure by connecting them ...
2
votes
1answer
830 views

Using cascaded totem-pole structures to supply more current for gate driving

simulate this circuit – Schematic created using CircuitLab I want to drive a totem-pole structure with a logic gate. The problem is, the logic gate can only supply 8.8mA output sink/source ...
10
votes
2answers
8k views

Why doesn't shoot-through occur on totem-pole structure?

I'm designing a totem-pole by BJTs in order to drive a MOSFET. I studied on several online examples and built up my circuit according to what I understood from them. However, there is a detail which ...