{254} 300 Watt Half Bridge SMPS Using TL494, Circuit Explained, Troubleshooting & Circuit Diagram
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- เผยแพร่เมื่อ 1 ต.ค. 2024
- 300 Watt Half Bridge SMPS Using TL494, Circuit Explained & Troubleshooting & Circuit Diagram. i explained in Urdu Hindi Language.
Download 300W TL494 based Half Bridge SMPS circuit diagram bit.ly/3y9RJ4g
in this tutorial i explained the functional description of this industrial power supply it provides nominal 12 volt and 25 Ampere. the output voltage can be adjusted from 10.5 to 15 volt. its switching frequency is 48KHz and the push pull output is 24 KHz. it have 13009K transistor to switch the high frequency power transformer's primary winding. i demonstrated How To Repair SMPS Switch Mode Power Supply and explained Step by Step Practical Troubleshooting. also explained easiest circuit working with logical troubleshooting and fault finding techniques to find the faults in any switching mode power supply. it uses fix frequency and the output voltage are regulated using pulse width modulation technique.
Download 300W TL494 based Half Bridge SMPS circuit diagram
drive.google.c...
bit.ly/3y9RJ4g
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its voltage mode error amplifier is biased at 2.5 volt using reference voltage and the pin number 1 is connected to the output point. which is used to regulate the voltage using PWM technique. current mode error amplifier is connected to the current sense shunt resistance, which provides the dropped voltage across the shunt resistance and it limits the switching to protect the converter from overcurrent conditions.
i discussed different faults in smps like, smps input short circuit, fuse keeps blowing, smps startup, smps switching frequency testing, rcd snubber circuit, secondary side, feedback circuit, after watching this video you can capable to:-
1 basic working concept of smps switch mode power supply
2. how PWM pulse width modulator work
3. block diagram of smps switch mode power supply
4. practical circuit tracing of smps
5 how to repair mobile charger
6 how to repair power supply of digital satellite receiver
7. how to repair led lcd tv power supplies
8. different faults in stages of smps
9. what is filter and protection circuit in SMPS
10 what is bridge rectifier circuit and how bridge rectifier circuit work
11 what is PWM pulse width modulator circuit and how to check it
12 function of FET, MOSFET, BJT, IGBT or switching modules
13 what is optocoupler or opto-isolator and what is its function in feedback circuit
14 what is voltage regulation and how it works in SMPS
15 how to find problem if switch mode power supply have no output
16 what is problem when power supply have fluctuation and output is not regulated
17 current sense in smps
18 short circuit protection
19 how to test troubleshoot and repair smps switch mode power supply and easy test points in fault finding
and much more
how to #repair #smps
fuse keeps blowing
how to repair switch mode power supply when short circuit at input, fuse keeps blowing.
if SMPS is dead or no output. smps ic have no switching frequency,
if SMPS have fluctuating output or output voltage unregulated
if smps have short circuit in output
how to troubleshoot PWM SMPS controller when there is no switching from MOSFET
if SMPS have a whistle sound or excessive noise or excessive heat
how to repair mobile charger
how to repair computer power supply
how to repair laptop charger
how to repair inverter of solar system
how to repair UPS uninterruptible power supply
smps, repair, troubleshooting,
SMPS practical tutorial • SMPS Switching switch ...
SMPS tutorial and practical troubleshooting and fault finding • SMPS / PWM basics circ...
SAMSUNG BN44-0029a-00438 circuit diagram
drive.google.c...
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UC3846 ka equivalent kaun sa hai 16 pin IC h
Sir its very nice video agr ap hr video ky sath usss ka circuit diagram bhi attach kr dein to bohut acha rhy kuuky jo ap explain krty hain wo sath sath phr diagram ka print niklwa kr zeida achy tareeqay sy smjh ma aajata hai
Sir 24v wali supply par b ik video bnay
Nice video
Sir video number 182 china smps k circuit main bridge rectifier k bad 1 filter capacitor use howa hai is circuit main 2 filter capacitor use hoye hain. In main Kia difference hai.?
Output me preset new dalne per vi 20 volt se down nahi hota hai.
Lk 120
زبردست
5 volt 55amp ki supply hai 4.40 de rhe kia karon??? great wall ki supply hai
try to check its output feedback system,
or you can send a picture (pcb front & backside) to my whatsapp 00962791161084
रहमतुल्ला जी आपके वीडियो हमको बहुत पसंद आते आप बहुत ही बढ़िया वीडियो बनाते हैं
बहुत बहुत धन्यवाद प्रिय भाई
برج کے بعد اگر کپیسیٹر نہ لگایں تو ڈی سی وولٹ کتنے ھوں گے۔اگر اے سی وولٹ 220 ھوں تو برج 220 ضرب 9. dc وولٹ ھونا چاہیے
السلام علیکم محترم حسیب صاحب.... سپلائی میں گول ٹرانسفر مر کیوں استعمال نہیں کرتے. وجہ کیا ہے
Mashallah well done 👍 sir.
techer exelint information video no words to thank exelint information thaks
You are most welcome
sukher sir good information spare kernay ka.ALLAH PAK apko jazaiee khair ata karain aur ais mehnat ka achaaa aur behter silaa ata karain.ameen sir merey pass yeh hee same supply hee ais ma bridge aur dono power transistor
aur out wala bridge short ho gaia tha many ain ko replace kyia he ais ky bad supply output 12vdc nikal ri hee ,lekan sir series ma lam be on rehtaa hee,sir ais ma aur kyia maslaa ho saktaa hee
please check the transistors again
check the resistor, diodes on the base of the transistors
check series coupling capacitor (large orange color capacitor in primary side near transistors)
check dc capacitors on DC rail
check output capacitors
check insulation packing rubber between heat sink and rectifiers and transistors
Sabhi TR 13009 or push pull TR ka volteg bhi bataye kitna hona chahiye. B...C...E.. UPAR KITNE VOLTEG HONE CHAHIYE .
Sir meri same 24v supply hai.. output voltage 35v aa rha hai aur series bulb half glow kr rha hai.. ticking sound bhi de rha hai..kia problem ho skta hai?
سر اس سپلائی میں موسفٹ لگائے جا سکتے ہیں ٹرانسسٹر کی جگہ زرہ رہنمائی فرما دیں
ذبر دست سر یے جو پاور ٹرانزیزسٹر کے جو ریزیسٹر ہے اسکی تفصیل بتادو
Thank you sooooooooo much for the circuit diagram. main kab se ise dhoondh raha tha
most welcome
SN: USTAM ÇOK GÜZEL BİR ÇALIŞMA OLMUŞ ÇOK SAĞOLUNUZ ALLAH C.C. RAZI OLSUN
बेशक सर फालतू vedio तो आप बनाते ही नहीं हो vedio से काफी कीमती जानकारी मिलीsir इसsm ps मे output में जो inductor लगा हे बो डबल ferrite core पर ही क्यों बना होता है क्या menufecturer इतनी उचांई की कोर बनाबा नहीं सकते.... धन्यवाद
А можете схему полную выложить на этот блок пожалуйста!
Sir ji 24v SMPS full dead hogaya ta ..chaloo kardiya abhi..magar voltage out put 12 Dc nikkaltta hea ..kya reson hoga sir??
haseeb sir namaskar, sir half bridge circuit KO full bridge bana sakte h agar haan to kuch explain jarur kare
Sir, apka video humko bhut acha lagta hey ,power supply ke barema bhut kuch shikneko milta hey .. Pls apko request kartahu E Bike Chargerke ek besic theory or practical ka video Bana dijiye .
Ishwer apko acha rakhe !
Hindi nehi ata ishliye mafi chathahu .
Hum ek Bengali student hey . Sir apka bhut fan hu mai🙏🙏🙏🙏🙏
سر جی اگر ویڈیو میں ساری اردو کی بجاے پنجابی بولو تو مزے ہو جان میرے ورگیاں دی
i s ka buck boost kasiay banaye over voltage over crunt pay shaut down short circut pay shut down over volt se murad hai k35035 zueda boost na ho aur in may 3 se lay kar 24 volt in ker saky and crunt b very ho 1 amp se 40 amp tak smothe dc to dc hona chaiye
Id mubarak sir
Khair mubarak
thanks a lot
Aap ko Eid ki khushiaan mubaarak
Sir Assalam o alikum
Schematic diagram mil sakti hay?
Jazak Allah khir
thanks a lot bhai
Mere shop pe kuch adaptor aisy aye hn jo low voltage pe operate nhi hoty agr hm isy low voltage k liye modify krna chahy to kia krna hoga?? Kia ye possible hoga?? Plz explain...
Sir ae power me thiyari samaj aagi
Or ae power supply ka SMPS transformer
Ka deta ke bare me
Aek video banado
Aoa sir. I am getting only 7v on auxiliary capacitor also on pin 7and 12 of 7500BD IC. Checked everything but could not find the fault. Can you please guide me in this regard
step down chopper buck converter
capacitor me everage current 0 kyon hoti he il -i0. ..kya sirf ac repulse remove karne k liye he. ..
Good morning bhai eid Mubarak Allah kosh rkhy
Haseeb bhai ..
Ek 24V SMPS Mea resistance black hogaya value not clear how can found the value ..pls help me
sir china charger Repairing pi video banao,
okay bhai i will try to do it soon
Assalam alekum sir is circuit k pulse transformer pe video banayen is ki winding Mai kitne chakkar Hain please sir or Ap ki video bhot malomati video hai sir
MashaAllah very Helpful...
بہت شکریہ بھاءی
12v to 40.0.40 Tl494 Dc to dc conveter pe ek video banao car amplifier ke liye.with voltage feed back and current feedback jo
Aoa sir. I am. Asking you again in this regard I am getting regulated voltage but when I connect load it drops voltage. What should I need to check. Please guide
Good tiching karte hai 👌👍👌👌👍👌👍
Sir rectifier kitna ampere ka lagana hai vo circuit ko kaise calculation karte hai
I accidentally set the switch to 110 volt and plugin the ac one of the transistor burnt out what will I do sir
hi Mr Haseeb please i have missed one OF your videos about( how to get 24vdc from 400 volt so please help)
🙏 vai ji , Led bulb ke repair ke video banaiye na please Vai ji , apke samjhane ke torika bahut atcha laga or atcha hei , please 🙏
Sabse pehle aap ko thanks sir. Es smps ko doyal supply banna hai to kay kare. Piliz help me.
Very nice video.
Aapki taarif k liye mere pas lafz nhi h sir.
thanks
Description me pdf file Dali h vo open nhi ho rahi h vo protect h sir.
Usaki security hataeye sir.
drive.google.com/file/d/1E9vGs7ZRh3J_hGGDziacPMtZq2HfTNSW/view?usp=sharing
thanks a lot bhai
@@haseebelectronicsurdu thank you sir.
Kya Is power supply ke driver transformer or main transformer ki details mil jayegi sir
Sir my smps 5 volt 60 amp out put given 2.5 amp how resolution
Aap ki video ne perfect kar diya sir thank you very much
Sir c4977 ka mutabadil kia Hoga?
I am using 12vdc 30A power supply. recently it become faulty due to output drops. it is showing out put like 7 to 8 v hardly. I checked most of the items and nothing found as bad with digital multimeter. what will be the reason?. please reply.
Dear sir assalamualaikum how to vgf inverter repair video upload please
Best video in world.thank you for video
Sir 13009 ki jgh koi or transter laga skte h
Türkçe altyazı :(
Sir i have 24v smps but output is 3.7v what to solve
Janab wah hai aap
Aap wah hai janab
Kya samajhna janab
how to make the lampp with the circit so is not to damagc the board
Good 👍👍👋
Sir smps ka amp kaise badaye koi bhi smps ka
Bhout asha explain Kiya
thanks bhai
Tadhi explaination with practical ya
U r a great teacher. Thank u sir.
You are most welcome
Alha ap khush rakhy bohat acha samjaya
ماشاءاللہ بہت ہی اچھی ویڈیو اللہ تعالیٰ آپ کو ہمیشہ خوش رکھے آمین یارب العالمین
جزاک اللہ خیرا
Smps ko smjnay k liay complete video.Allah ap ko khudh rkhay.aameen
aameen
جزاک اللہ خیرا
Best dear bro..eid mubrak brother
جيد
bhai jan whatsapp number mil jaye ga.
Yes Bhai
00962791161084
Muhammad Ashraf
Thanks sir ji
You always great Shabbaaash
taqabbal Allahu minna wa minkum "🥰
Eid Mubarak dear brother
تقبل الله منا و منكم الصيام و القيام و صالح الاعمال عيدكم مبارك كل عام و أنتم بخير
ماشاءالله
ASA how to down load pdf drawings .
Please explain Axiom 12A 48v charger.
With circuit diagram
Like mashallah excellent superb informative tutorial great work best wishes good day
very nice guruji 🙏🙏🙏🙏🙏
SIR PLEASE EK VIDEO 110V SE 220 V / 220V SE 110V CONVERTING EXPLAIN KAREIN PLEASE
AAP KE SAMJHAANE KA TARIQA MASHA ALLAH BAHUT HI EASY HOTA HAI AUR JALDI SAMJH AA JATA HAI
ALLAH AAPKO HAMESHA KHUSHAHAAL RAKHE SHUKRIYA
Sr AP ny is supply ke bani B'nai drawing kha sy Le hy
You are doing well therefore I am praying for all of your family members. Specially for you may allah give you Paradise ( amin)
Aameen
Jazaak Allah khair
سر اللہ اپ کی عمر و صحت میں برکت عطا فرمائے. میں نے اپ سے بہت کچھ سیکھ لیا.
ਬਹੁਤ ਵਧੀਆ ਵੀਡੀਓ ਸਰ ਜੀ
thanks a lot bhai
sir nice your presentation
Здравствуйте!
Vandanabhinandan
Brother D13009 is not available in market is ke jagh kon sa use kar sktay Hy brother Jo is supply me use ho v Hy
2sc3306 transistor use kar sakte ho...
I'd mubarak sir
عید مبارک بھاٸ جی۔۔۔۔۔۔۔
Khair Mubarak Ishfaq bhai
Здравствуйте! А можно полную схему с наминаломи. Блок вышел из строя,надо знать наминалы. Заранее благодарю
Very good video sirji and आप को Eid मुबारक
Your all videos teach us so many problem solving features, but just want to know how you tested the opto coupler
Maja aagya great job
Thank you sir can you explain ic 3846 i have schematic but no output
Sir vedio mia two pages hi aor AP na one upload kaya hi plz another bi upload ka ro aor es crk mia Jo main copper hi iska winding discuss kar aor AP ka bohat bohat shokaraya vedio banane ka
bhai i am sorry for that
it was a file compression error
i fixed it and now you can download the full diagram
please check and reply. if still some problem send whatsapp 00962-79-1161084. i will send directly
bit.ly/3y9RJ4g
Very good..
What's the value of Q5 in digram??
Good bahi
Sir best ❤❤
Excellent video dear friend!!!
best regards and special thanks
Great upload my friend awesome
thanks a lot dear
Nice sir