A switched-mode power supply ATX (SMPS) is an electronic circuit that converts power using switching devices that are turned on and off at high frequencies, and storage components such as inductors or capacitors to supply power. uses microcontroller / Ic to oscillate - most common IC is the TL494 or KA7500 - That are suitable for modifications it has many pins but the pin no 1 is used as feedback by voltage devider. So we will use pin 1 and a potentiometer ( 5K to 25K ) To adjust the voltage . if you think wow i can adjust it from 0v to 30v . thats not right . you need to use 3v rail 5v rail and 12v each rail gives different voltage like 12v rail will give 8v to 15v but if you use 12v+ and 12v - you will get 9v to 30v
Augmenter la tension de sortie du bloc d'alimentation ATX, convertir l'alimentation de l'ordinateur en alimentation variable. dans cette vidéo, j'ai montré comment créer une alimentation réglable / variable à partir d'un bloc d'alimentation atx d'ordinateur pour créer une alimentation de table, un chargeur de batterie carb, pour un refroidisseur de pièce à moteur à courant continu, un refroidisseur de pièce du désert ou de nombreux autres projets et applications Computer ATX Power Supply Hacked pour construire une alimentation de banc réglable. donc en suivant ces instructions pour convertir l'alimentation de l'ordinateur atx afin que vous puissiez utiliser l'alimentation de l'établi ou vous pouvez construire un chargeur de batterie de voiture 12V en utilisant cette alimentation pour ordinateur atx, comment construire une alimentation 12 volts,
ATX Bench Power Supply - Convert Computer Power Supply
Convert computer ATX power supply to lab bench power supply
How to disable ATX power supply voltage and current protection.
I demonstrated the atx psu based on TL494/KA7500, it uses LM339 comparator ic. it works as an ATX supervisor ic for housekeeping and monitoring all atx functions and it shuts down TL494/KA7500 in all abnormal cases (over voltage, under voltage, short circuit, over current) it will pull pin 4 of the TL494/KA7500 which is the timeout control pin when this pin is pulled above 2 volts it shuts down the ATX and disables the SMPS controller option without disabling Remove short circuit protection, it prevents atx operation by automatically shutting down under voltage, over voltage and over current conditions. So you can change/disable the short circuit and overload computer ATX power supply into car battery charger or lab power supply for your electronic workbench or you can make it DC variable. How to disable voltage and current protection of ATX PSU/computer power supplyThis tutorial is part 1 to change the atx power supply to a bench power supply/battery charger using this atx power supply we can adjust the voltage to 13.4v to charge 12v car battery or it can be modified as lab bench power supplyhow to, power supply, power supply, power supply, variable and adjustable power supply, diy bench power supply, lab power supply, variable power supply, diy variable power supply, atx power supply repair for computer, hack, best power supply, dc power supply, lab bench power supply, variable lab bench power supply, battery charger, atx power supply hack, homemade, how to fix computer power supply, computer power supply won't turn on, repair from atx power supply, how to fix computer power supply, atx power supply not turning on, atx power supply not power supply, atx power supply no standby voltage, how to fix switching power supply, how to fix smps power supply, desktop atx smps power supply repair, computer power supply not working, atx repair psu , atx power supply without power supply, variable power supply from atx, variable diy power supply, diy atx power supply, pc power supply to bench power supply, use computer power supply for other uses, load resistor from atx bench power supply, charging car battery with computer power supply, how to make variable power supply, atx bench power supply, atx power bank power supply, diy power bank power supply diy lab power supply, professional power supply, diy professional power supply, professional battery charger, how to make a power supply, make a 12v power supply, power supply hack, benchtop power supply, computer power supply hack, server power supply hack , pc power supply hack, diy benchtop power supply, psu hack, atx psu hack, pc power supplyHow to Change/Disable Short Circuit and Overload Protection in ATX Power Supply Protection in ATX Power Supply
modify atx power supply variable voltage, atx power supply, atx power supply to variable bench power supply, atx power supply repair, atx power supply to bench, atx power supply conversion , atx power supply hack, atx power supply to 12v dc, atx power supply battery charger, atx power supply 24v output, bench power supply, adjustable power supply, computer power supply, diy variable power supplyA switched-mode power supply ATX (SMPS) is an electronic circuit that converts power using switching devices that are turned on and off at high frequencies, and storage components such as inductors or capacitors to supply power. uses microcontroller / Ic to oscillate - most common IC is the TL494 or KA7500 - That are suitable for modifications it has many pins but the pin no 1 is used as feedback by voltage devider. So we will use pin 1 and a potentiometer ( 5K to 25K ) To adjust the voltage . if you think wow i can adjust it from 0v to 30v . thats not right . you need to use 3v rail 5v rail and 12v each rail gives different voltage like 12v rail will give 8v to 15v but if you use 12v+ and 12v - you will get 9v to 30v
Augmenter la tension de sortie du bloc d'alimentation ATX, convertir l'alimentation de l'ordinateur en alimentation variable. dans cette vidéo, j'ai montré comment créer une alimentation réglable / variable à partir d'un bloc d'alimentation atx d'ordinateur pour créer une alimentation de table, un chargeur de batterie carb, pour un refroidisseur de pièce à moteur à courant continu, un refroidisseur de pièce du désert ou de nombreux autres projets et applications Computer ATX Power Supply Hacked pour construire une alimentation de banc réglable. donc en suivant ces instructions pour convertir l'alimentation de l'ordinateur atx afin que vous puissiez utiliser l'alimentation de l'établi ou vous pouvez construire un chargeur de batterie de voiture 12V en utilisant cette alimentation pour ordinateur atx, comment construire une alimentation 12 volts,
ATX Bench Power Supply - Convert Computer Power Supply
Convert computer ATX power supply to lab bench power supply
How to disable ATX power supply voltage and current protection.
I demonstrated the atx psu based on TL494/KA7500, it uses LM339 comparator ic. it works as an ATX supervisor ic for housekeeping and monitoring all atx functions and it shuts down TL494/KA7500 in all abnormal cases (over voltage, under voltage, short circuit, over current) it will pull pin 4 of the TL494/KA7500 which is the timeout control pin when this pin is pulled above 2 volts it shuts down the ATX and disables the SMPS controller option without disabling Remove short circuit protection, it prevents atx operation by automatically shutting down under voltage, over voltage and over current conditions. So you can change/disable the short circuit and overload computer ATX power supply into car battery charger or lab power supply for your electronic workbench or you can make it DC variable. How to disable voltage and current protection of ATX PSU/computer power supplyThis tutorial is part 1 to change the atx power supply to a bench power supply/battery charger using this atx power supply we can adjust the voltage to 13.4v to charge 12v car battery or it can be modified as lab bench power supplyhow to, power supply, power supply, power supply, variable and adjustable power supply, diy bench power supply, lab power supply, variable power supply, diy variable power supply, atx power supply repair for computer, hack, best power supply, dc power supply, lab bench power supply, variable lab bench power supply, battery charger, atx power supply hack, homemade, how to fix computer power supply, computer power supply won't turn on, repair from atx power supply, how to fix computer power supply, atx power supply not turning on, atx power supply not power supply, atx power supply no standby voltage, how to fix switching power supply, how to fix smps power supply, desktop atx smps power supply repair, computer power supply not working, atx repair psu , atx power supply without power supply, variable power supply from atx, variable diy power supply, diy atx power supply, pc power supply to bench power supply, use computer power supply for other uses, load resistor from atx bench power supply, charging car battery with computer power supply, how to make variable power supply, atx bench power supply, atx power bank power supply, diy power bank power supply diy lab power supply, professional power supply, diy professional power supply, professional battery charger, how to make a power supply, make a 12v power supply, power supply hack, benchtop power supply, computer power supply hack, server power supply hack , pc power supply hack, diy benchtop power supply, psu hack, atx psu hack, pc power supplyHow to Change/Disable Short Circuit and Overload Protection in ATX Power Supply Protection in ATX Power Supply
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