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SG3525 + LM358 PWM Controller for Inverter 50Hz to 500KHz

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Powerful PWM controller using SG3525 IC for DC to DC converter and inverter. This features low voltage protection and thermal protection so on.
Circuit Diagram and components details -
innovationic.bl...
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#pwm #inverter #controller
sg3525 explained
sg3525a
inverter using sg3525 ic
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sg3525a circuit diagram
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sg3525 equivalent
sg3525a inverter circuit diagram
boost converter
buck converter
how to connect feedback in inverter
pinout of sg3525
pulse width modulation
sg3524
tl494 ic
lm358

Опубликовано:

28 авг 2024

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Комментарии : 40

@Edmorbus Год назад

Very good and thanks for sharing

@innovationic Год назад

Thanks for watching

@tr_2sc1970 Год назад

Excellent work thank you for sharing!

@innovationic Год назад

Thankyou

@kkvishwanath8278 10 месяцев назад

Very nice to see lot of revolutionary chsnges in electronics applications.Good work.

@innovationic 10 месяцев назад

thankyou very much

@victorynayaba4779 День назад

Can you make a video on the oscilloscope you used here? Thank you.

@danielugwa6517 11 месяцев назад

Very good job sir please can you teach show us the circuit diagram thanks

@innovationic 11 месяцев назад

thankyou for comment circuit diagram link 👇 innovationic.blogspot.com/2023/03/sgka3525-pwm-controller.html

@danielabayomi2794 11 месяцев назад

This is great. Pls sir, I need more explanation on the pins of the pwm controller module. Are the order of the pins in the circuit diagram the same with your finished pwm controller in the video you made. Thanks. How many pin did you actually used and how can I recognize the 12v supply the feedback, the 5v reference...

@innovationic 11 месяцев назад

The pins of the module and circuit diagram is same and the pin 1 & 2 are used to make feedback network as it is the inverting and non-inverting pins, pin 16 is reference pin that gives 5v which is used with feedback circuit to get stable output voltage, pin 10 is SD(shut down) used to off the PWM as it goes in low voltage or over heating. And the pinout of SG3525 module is in three parts 1)Feedback (can take from 0v to 300v dc ) 2)Input voltage from 11v to 15v (drive the whole circuit from battery) 3)PWM output for driving MOSFET

@SabkaMalikEk-RSV4477 10 месяцев назад

Bhai hindi me hi bol liya kro ji🤔🤔🤔 Circuit is good....👍🏻

@innovationic 10 месяцев назад

thankyou

@josepeixoto3715 6 месяцев назад

No good for me yet, , it needs to steady the out Voltage by itself, not by us adjusting the trimpot over 20 videos and no one is showing how to do it, do a video , where you VARY the INPUT voltage and the IC changes the DUTY CYCLE by itself, and KEEP the out voltage stable, show that on the oscilloscope, thanks

@innovationic 6 месяцев назад

thanks for suggestion, in next upcoming video I will show every details

@PeacefulWorld Год назад

Please make a video with Overload Protection

@innovationic Год назад

Ok I will do in my upcoming video and thankyou for watching

@satishdesai8557 8 месяцев назад

I want this ckt

@innovationic 8 месяцев назад

innovationic.blogspot.com/2023/03/sgka3525-pwm-controller.html

@UttraDey 5 месяцев назад

Please provide full circuit diagram please

@innovationic 5 месяцев назад

Watch this SG3525 Updated Circuit and PCB are given - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-HL9gfEzcwbw.html

@nizakatali7119 11 месяцев назад

Sir can i use in my mobile this ociloscope and how..

@innovationic 11 месяцев назад

you have buy raspberry pi pico and upload ociloscope code using computer and connect it with usb otg cable to you mobile and install Scoppy Android app from google play store You can watch on youtube how to make raspberry pi pico ociloscope tutorials its very simple

@momindastgeer7721 6 месяцев назад

Sir pls pls pls give schematics diagram and top layer and bootom layer and gerber pls pls pls 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

@innovationic 6 месяцев назад

Full details and PCB files innovationic.blogspot.com/2023/04/150w-12v-to-300v-inverter.html

@TahaMomin-gp4wg 6 месяцев назад

Top and bottom layer diagram pls

@josepeixoto3384 9 месяцев назад

Hi friend, how can i control the duty cycle of the 3525 with no feedback, i want to do it just manually on those cheap chinese modules sg3525+lm358; i have the modules for my inverters but i don't know how to make a simple circuit with a blue trimmer to vary the duty cycle; thank you very much

@innovationic 9 месяцев назад

if your sg3525+lm358 module have feedback with pc817 optocoupler, then just simple power the feedback with GND and 5V reference pin of SG3525 that makes manual duty cycle control

@josepeixoto3384 9 месяцев назад

Thank you, yes it does; you mean,just put a (10K?) trimpot between pin Vref and ground and then feed the center pin of the trimpot to pin 1 of the 817? and ground pin 2 of the 817? will that work? @@innovationic

@innovationic 9 месяцев назад

yes

@PeacefulWorld Год назад

How you makw Freequency Counter with Arduino to view on Mobile?

@innovationic Год назад

frequency counting is done using Raspberry Pi Pico and scoppy app

@kennethobiora5975 2 месяца назад

@innovationic 2 месяца назад

👍

@PeacefulWorld 10 месяцев назад

Your Feedback Diagram is Wrong. You have added 10k + 10k Voltage Devider in PWM pin 2, its mean Pin 2 Voltage Ref 2.5V .Also 1k directly to Pin 1. Its mean Pin 1 has 5V. You are taking Ground with Optocoupler. But Optocoupler has to enable for Pass Ground from Pin 1. As from the beginning IC Pin 1 is getting much voltage than Pin2 it will never start its PWM Signal. Hope you can understand. Please correct the Diagram. I am also wondered that how your Voltage Feedback works? I think you did not made with that diagram. The 1k Resistor should be Grounded from Pin 1 and Optocoupler voltage should be given from pin 16 to Pin 1.

@innovationic 10 месяцев назад

on pin 2 voltage is 2.5v and at pin 1 is 5v through 1K resistor so full 50% duty cycle will come from pwm output pin but when voltage on pin 1 decreases through pc817 optocoupler, thus duty cycle also increases and hence output also increases as more load is connected

@innovationic 10 месяцев назад

when we connect some voltage at feedback wire i.e. pc817 get some voltage thus current flow from emitter to collector pin of optocoupler hence voltage will drop on pin 1 this cycle repeats and the feedback loop works

@PeacefulWorld 10 месяцев назад

@@innovationic But you have to understand that if Pin1 is Higher than Pin2 then Duty Cycle will decrease. As you given 5v to Pin 1 and 2.5V to Pin to, so it will start with 0% Duty Cycle so you will never get any output Voltage from Transformer or Mosfet will not open.