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Hi guys, Can anyone help me please replace the NE555 IC in this circuit by MIC1555. I need to modify also the Voltage to 18v thank you. MIC1555 datasheet NE555 datasheet Edit: The circuit a...

1 answer · posted 2y ago by deleted user · last activity 2y ago by Jasen‭

Question 555

#5: Post edited by (deleted user) · 2022-11-23T20:57:54Z (almost 2 years ago)

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Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555.
I need to modify also the Voltage to 18v thank you.
[MIC1555 datasheet](https://www.google.com/url?sa=t&source=web&rct=j&url=http://ww1.microchip.com/downloads/en/DeviceDoc/20005730A.pdf)
[NE555 datasheet](https://www.ti.com/lit/gpn/ne555)
![circuit to be edited](https://electrical.codidact.com/uploads/c9Wju8oozdF6P1kFTDyCcbKz)
**Edit:**
The circuit above represent a PWM generator where the user can adjust the frequency seperatly from the duty cycle and vice versa, but the disadvantages of this circuit is the limitation of the NE555 that are manifested in low frequency 100khz and a high rise/fall time of 100ns to 300ns. And since the MIC1555 is a member of family of the most known IC timer the 555 i thought that it can replace the NE555 with your help.

Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555.
I need to modify also the Voltage to 18v thank you.
[MIC1555 datasheet](https://www.google.com/url?sa=t&source=web&rct=j&url=http://ww1.microchip.com/downloads/en/DeviceDoc/20005730A.pdf)
[NE555 datasheet](https://www.ti.com/lit/gpn/ne555)
![circuit to be edited](https://electrical.codidact.com/uploads/c9Wju8oozdF6P1kFTDyCcbKz)
**Edit:**
The circuit above represents a PWM generator where the user can adjust the frequency separately from the duty cycle and vice versa, but the disadvantages of this circuit are the limitation of the NE555 that is manifested in low frequency 100khz and a high rise/fall time of 100ns to 300ns. And since the MIC1555 is a member of the family of the most known IC timer the 555 I thought that it can replace the NE555 with your help.

#4: Post edited by (deleted user) · 2022-11-23T20:47:07Z (almost 2 years ago)

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Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555.
I need to modify also the Voltage to 18v thank you.
[MIC1555 datasheet](https://www.google.com/url?sa=t&source=web&rct=j&url=http://ww1.microchip.com/downloads/en/DeviceDoc/20005730A.pdf)
[NE555 datasheet](https://www.ti.com/lit/gpn/ne555)
~~![circuit to be edited](https://electrical.codidact.com/uploads/c9Wju8oozdF6P1kFTDyCcbKz)~~

Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555.
I need to modify also the Voltage to 18v thank you.
[MIC1555 datasheet](https://www.google.com/url?sa=t&source=web&rct=j&url=http://ww1.microchip.com/downloads/en/DeviceDoc/20005730A.pdf)
[NE555 datasheet](https://www.ti.com/lit/gpn/ne555)
![circuit to be edited](https://electrical.codidact.com/uploads/c9Wju8oozdF6P1kFTDyCcbKz)
**Edit:**
The circuit above represent a PWM generator where the user can adjust the frequency seperatly from the duty cycle and vice versa, but the disadvantages of this circuit is the limitation of the NE555 that are manifested in low frequency 100khz and a high rise/fall time of 100ns to 300ns. And since the MIC1555 is a member of family of the most known IC timer the 555 i thought that it can replace the NE555 with your help.

#3: Post edited by (deleted user) · 2022-11-22T14:05:05Z (almost 2 years ago)

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Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555.
~~I need to replace also the Voltage to 18v thank you.~~
[MIC1555 datasheet](https://www.google.com/url?sa=t&source=web&rct=j&url=http://ww1.microchip.com/downloads/en/DeviceDoc/20005730A.pdf)
[NE555 datasheet](https://www.ti.com/lit/gpn/ne555)
![circuit to be edited](https://electrical.codidact.com/uploads/c9Wju8oozdF6P1kFTDyCcbKz)

Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555.
I need to modify also the Voltage to 18v thank you.
[MIC1555 datasheet](https://www.google.com/url?sa=t&source=web&rct=j&url=http://ww1.microchip.com/downloads/en/DeviceDoc/20005730A.pdf)
[NE555 datasheet](https://www.ti.com/lit/gpn/ne555)
![circuit to be edited](https://electrical.codidact.com/uploads/c9Wju8oozdF6P1kFTDyCcbKz)

#2: Post edited by (deleted user) · 2022-11-21T08:00:54Z (almost 2 years ago)

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Hi guys,
~~Can anyone help me please replace the NE555 IC in this circuit by MIC1555 thank you.~~
~~Voltage 18v.~~
~~![circuit to be replaced](https://electrical.codidact.com/uploads/vPVixDUaBVhv8YvxePQtFaCP)~~

Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555.
I need to replace also the Voltage to 18v thank you.
[MIC1555 datasheet](https://www.google.com/url?sa=t&source=web&rct=j&url=http://ww1.microchip.com/downloads/en/DeviceDoc/20005730A.pdf)
[NE555 datasheet](https://www.ti.com/lit/gpn/ne555)
![circuit to be edited](https://electrical.codidact.com/uploads/c9Wju8oozdF6P1kFTDyCcbKz)

#1: Initial revision by (deleted user) · 2022-11-20T18:12:09Z (almost 2 years ago)

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Need help to replace 555

Hi guys,
Can anyone help me please replace the NE555 IC in this circuit by MIC1555 thank you.
Voltage 18v.


![circuit to be replaced](https://electrical.codidact.com/uploads/vPVixDUaBVhv8YvxePQtFaCP)

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