Showing posts with label battery charger. Show all posts
Showing posts with label battery charger. Show all posts

Friday, 15 January 2016

6V Solar battery charger circuit using LM317

Today we are going to learn how to make a simple solar battery charger for 6V battery.

The solar charger we are going to make is based on LM317 regulator IC. When battery has reached is full charge voltage (Battery voltage is higher than VDz + 0.7v), our charger circuit automatically cuts the charging to protect the battery form damage. The LED light will indicate the full charge state in the battery.

Our charger circuit will work only when the voltage level from the solar panel is much higher than the battery voltage, unlike the solar charger with regulator and controller that can charge regardless the solar voltage.

Part List:-

Solar - 12V solar cells array

C1 - 470uF electrolytic capacitor rated 25V

D1, D2 - 1N5400 or any rectifier diode rated 2A minimum

Dz - 1N5235B or any 6.8V zener diode

R1 - 3 kilo ohms 1/4Watt

R2 - 330 ohms 1/4Watt

R3 - 560 ohms 1/4Watt

R4 - 2 kilo ohms 1/4Watt

LED -3mm or 5mm Red or any low power LED

Q1 - 2N2222, CS9013, or similar NPN transistor

Bat - 6V lead acid battery

Make the above simple circuit to charge your 6V battery from clean and environment friendly energy.

If any query arises pleas ask them in the comment section, i will be happy to answer.

Simple 2.7V 200mA USB Battery Charger Circuit

Today we are going to learn how to make a 5V 200mA or more amperage USB Battery Charger circuit for NiCd battery or power source circuit

This is a simple charger circuit for nickel-cadmium battery (NiCd) that can be connected in your USB port of computer or laptop.

The charging scheme employs only a constant current charging.

The two NiCd cells are connected in series and charge at 200mA current. Charging current is controlled by zener diode D1 and resistor R1. We can increase or decrease the current by using the approximate equation:
Current = VD1/R1; where VD1 is the zener voltage.

The use of D2 diode is to limit the voltage across the battery terminals, thus protect the battery from damage. Charging time of the fully discharged battery is given by the formula:
Time = Battery rating / 200mA ; where Battery rating is in mAH.
Example: battery rating 220mAh;
Time = 2200mAH / 200mA = 11 hours; meaning do not let battery charged more than 11 hours.

Part List:-

D1, D2 - BZX84C2V7, 1N5223B, or any 2.7V zener diode 1Watt

R1 - 10 ohms 1/2Watt

R2, R3 - 2 kilo ohms 1/4Watt

Q - 2N2907, 2N4403, or any similar PNP transistor

Make the above circut and enjoy charging. For any further querry please ask them in the comment section, i will be happy to help.

Automatic simple 12V 100mA NiCd Battery Charger circuit

Today we are going to learn how to make a very cheap NiCd battery charger with overvoltage protection or control circuit. This circuit is very much simple and specifically designed for 12V NiCd battery. The charger have current and voltage control at the same time.

Its charging current is around 100mA but we can change it using the formula : (Vd1 - 0.7) / R2 ; where Vd1 is voltage of zener diode D1.

Its Cutoff voltage is limited to Vd2 - 0.7 ; where Vd2 is voltage of zener diode D2

Part List:-

R1 - 2.7 kilo ohms 1/4watt

R2 - 56 ohms 1Watt

D1 - 1N4735A or any 6.2V zener diode

D2 - 1N5244B or any 6.2V zener diode

D3 - 1N4001 or similar diode

Q1 - 9013, 2N2222 or similar NPN transistor

Q2 - 2N3440 or similar NPN transistor

Simply solder the above circuit and enjoy simple 12v 100 mA or change it.

For any further querry please ask them in comment section. I wil be happy to help.

Friday, 21 November 2014

Make Automatic 12V Portable Battery Charger Circuitat

How to make a Automatic 12 V Portable Battery Charger Circuit at Home


By:

Today we are going to learn how to make a Portable Automatic 12 volt battery charger circuit which starts charging Battery Automatically when the voltage of that Battery is below the specified voltage value. This charger will Automatically stops the charging process when Battery attains the full charge value. This process protect our battery from deep-charge and if voltage is below 12 V it start charging.

Here the main component is IC LM317. Here the power source is transformer but it can be any electronic supply ( for example SMPS power supply).

Components Required:


  • 15-0-15V, 1A center tapped transformer 
  • LM317T voltage regulator
  • 12V DC battery
  • BD139 NPN transistor
  • LED’s – red, green
  • 8.2V zener diode
  • 1n4007 diodes – 3

Tuesday, 18 November 2014

Make a PWM Controlled Cell Phon Battery Charger using IC555

How to Make a Simple PWM Controlled DC to DC Cell Phone Charger Circuit vy using IC 555 at Home



Today we are going to learn how to make a very simple PWM DC to DC Cell phon charger circuit. The circuit is a simple cell phone charger that may be operated with any DC source, from a car or a motorcycle battery or from any ordinary 12 V AC DC adapter. Nowadays we find most of the vehicles have their in built cell phone battery charger units which surely becomes very handy for travelers who mostly remain outdoors travelling in their vehicle.
This PWM cell phone battery charger circuit is as good as the conventional chargers which come fitted inside the cars and bikes. Moreover the circuit can be simply integrated to ones own vehicle if the feature is not originally available in the vehicle. Alternatively one may think of manufacturing the present unit and selling them in the market as an automobile cell phone charger and earn some hard bucks.

Monday, 17 November 2014

Make a Simple Solar MPPT Charger Circuit at Home

How to Make a Solar MPPT Charger Circuit - Maximum Power Point Tracker Circuit


By:
Todat we are going to to learn how to make a simple but effective and cheap solar MPPT Charger circuit at home. Here MPPT stands for maximum power point tracker, which is an electronic charging system designed for optimizing the varying power output from a solar panel module such that the connected battery exploits the maximum available power from the solar panel.
The output from a solar panel is directly proportional to the degree of the incident sunlight, and also the ambient temperature. When the sun  rays are perpendicular to the solar panel, it generates the maximum amount of Power, and deteriorates as the angle shifts away from 90 degrees  The atmospheric temperature around the panel also affects the efficiency of the panel, whose power falls with increase in the atmospheric temperature.
Therefore we may conclude that when the sun rays are near to 90 degrees over the panel and when the temperature is around 30 degrees, the efficiency of the panel is maximum, Here the rate decreases as the above two parameters drift away from their rated values.

Sunday, 16 November 2014

Make parallel Battery Charger Circuit by SPDT switches

How to Make Parallel Battery charger Circuit Using One Charger by SPDT Switches



Today we are going to learn how to charge multiple batteries individually which is connected in parallel using a single battery charger through a manual SPDT changeover switch bank. This simple circuit might be a very useful circuit for those who have lots of battery and they don't wanted to do that manually process  of charging batteries.

In below diagram, here the configuration shows four batteries with their negatives connected together to form a common negative rail and the positives are all terminated individually to the poles of four discretely attached SPDT switches.

The one of the two changeover contacts of the SPDT switches are appropriately connected with the output load while the others with the battery charger positive.

All the above terminations are made via separate rectifier diodes, each for output and input positives

Friday, 14 November 2014

Make a Laptop charger (efficient and reliable) from a car battery 12v at home

Make a Laptop Charger from a Car Battery -12 V DC Laptop Charger Circuit

By:

Todays post simply explains a simple circuit which can be used for charging a laptop while driving in car or some other vehicle or from a DC battery. The circuit works without using an inverter or inductors in its configuration.

The good thing about this circuit is that it does not rely on an inductor topology for the required actions, making the design vgyery simpler, and yet efficient and effective.

As most of us know a laptop iis powered by a DC potential from an in built Li-Ion battery just as our cell phones do.

Normally we use a AC to DC adapter for charging a laptop battery at homes and offices, these adapters or chargers are actually SMPS power supplies rated with the required and matching specifications of the laptop battery.

However the above power supply units work only with AC supplies, and in places where an AC outlet may be available. These units will not of any use or work in places where an AC source is not present such as in cars and other similar vehicles and electricity deprived areas. This extremely useful little circuit presented here will allow a laptop battery to be charged even from a DC source such yas a car or truck batteries (12Volt).


It is a very simple, useful, cheap, versatile and universal circuit which may be dimensioned for charging all types of laptops by little adjusting the relevant
components provided in the circuit. It's a simple plug and play charger circuit.

Normally most of the laptop chargers are rated at 19V 3.5Amps, however some may be rated at higher currents to facilitating fast charging.

The discussed circuit has a voltage adjustment features (via PWM-

Make a 5V 2A Power supply by IC 78S05 simple circuit at home

How to make a 5V 2A simple electronic power supply using IC 78S05 at home to charge cell phon battery.

By:

Today we are going to learn how to make a simplest 5 volt 2Amp DC simple power supply which can be used in various application like cell phon battery chargers like in Tabs ehich requires high current, LED Drivers which require less than 6 volt and high current , can bye used to charge a cell phon batttery using solar panel e.t.c. at home.

This circuit is extremely simple and easy to make, simple to use and with very less component used.

The main component in this circuit is IC 78S05 which is a Voltage regulator 5V / 2A DC. The quality of current is high and noise is low.

The circuit will work without any extra components, but for reverse polarity protection a 1N5402 diode is included for safety at the input, extra filtering and removing any ripple is being done by capacitor C1-220uF 50V.

Thursday, 13 November 2014

Convert SMPS to solar battery charger circuit simple at home.

Convert any SMPS circuit to solar battery bank charger

By:

Today we are going to learn how to convert or make a simple SMPS (Switched Mode Power Supply) solar battery charger circuit easily at home just by simply slightly modifying any SMPS electronic power supply.

The post wi try to explains a very novel way of
using an ordinary SMPS unit for charging a battery bank via solar panels.

The method will result in an
extremely efficient, compact, lightweight and fast solar charging of the connected battery.

SMPS ( switched mode power supply) have become very common these days and we find them being used in the form of of low voltage DC units wherever needed. The best example is our cell phone chargers which are actually compact SMPS 5V DC chargers via 110v / 220v ac input.

Solar power is becomming cheap and environment friendly and also becomming popular these days and guys are constantly in look out for good options in the form of solar chargers having the most efficient and fast charging response.


Solar panels or PV devices are normally utilized for charging lead acid batteries which tends to takep relatively long hour for getting fully charged, and especially when the sunlight conditions are bad things start getting even more sluggish.

For solution to the above problem is rather for enabling quicker charging from solar panels, special MPPT (maximum power point tracking) based solar chargers have been developed which effectively monitor the solar panel maximum power point levels and generate the most efficient charging conditions for the connected battery or battery bank to it.

In this post we are going to finf most efficient way of charging our battery or battery bank through a solar panel.

As proposed in one of my previous Post, a switch mode based power supply (SMPS) is probably the best option for making it work as a solar charger circuit, so here we will learn how to make an smps based solar charger circuit.

Making an SMPS can be quite complex and might require considerable amount of time and knowledge for the implementations so here rather we will only focus on how to convert a ready made smps into an effective solar smps battery charger circuit quickly.

For this we will require the
following materials, assuming the battery to be charged is 12V rated: A ready made 120V or 220V to 12V SMPS unit having current ratinh equal to 1/5th of the battery AH which is to be charged for example if battery is of 12 v 100 Ah then 20 amp will be best selection.

Connect all Solar Panels in series making  total open circuit voltage equals around 100V. Then connect wires.

How to Proceed.

As we all know a normal mains SMPS may be rated with minimum of 85V to 100V input in order to provide the required output DC, let's assume it to be 12V, meaning for acquiring 12V it must be supplied with a minimum of 100V at the input terminal.

Keeping the above issue in mine we must select a solar panel which is able to produce approximately 100V to 220 volt any, for making the coverted SMPS work nice.

Since PV panels with such high voltage might not be available, we may opt for many low voltage solar panel connected in series for generating the above voltage. For instance you can go for 3nos. of 30V solar panels and connect them in series to get 90V from it, which might just do the job.

The above input supplied to the procured SMPS would generate the required 12V which may be directly attached to the battery for charging it efficiently.

However a 12V supply might not charge a 12V battery we need at least 14V

Simple 12 v 1 amp SMPS power supply, battery charger, LED driver circuit

How to Make a Simple 12 Volt, 1 Amp Switch Mode Power Supply (SMPS) Circuit at home

By:

Today we are going to learn how to make a simple 12 volt 1 Amp smps ( switch mode power supply) electronic circuit which can be used as battery charger, LED driver, moter driver or many more application.

We all know that with the advent of modern ICs and circuits, the age old transformertype of power supply are surely becoming obsolete. Today power supplies are much compact, smaller and efficient with their functioning than those bulky transformer power supplies.

Here we will discuss one of the outstanding switch mode power supply (SMPS) circuit which can be easily built at home for deriving smooth clean, ripple free 12 Volt DC from mains supply either 110v or 220v AC.

We are going to use the IC ST Microelectronics IC, the VIPer22A, which has made the construction very easy and is very efficient and

compact SMPS ( switch mode power supply) power supply unit

possible that too by using very less number of electronic components.

As shown in the circuit diagram, the

circuit is very compact and simple compared to other type of SMPS power supplies, and also good power output compared to its weight or size, It's just 50 by 40 mm in its dimensions.

Wednesday, 12 November 2014

simple Li-Ion Battery Charger Circuit Using IC LP2951

How to make a simple Li-Ion Battery Charger Circuit Using IC LP2951

By :


Today's post explains a very simple yet safe Li-Ion battery charger circuit using just a single IC LP2951. Unlike lead acid batteries the one good thing about the Li-Ion batteries is that they can be charged at 1C rate (simply fast charging) initially. It means the battery's charging current can be as high as the rated AH (Ampere*Hour) of the li-ion battery at the onset. The design presented in this post can be used for charging a single 3.7V Li-ion cell or a standard cell phone battery externally at a relatively slower rate.

Friday, 7 November 2014

220V/ 110V AC to 5V 1Amp Cell Phone battery Charger Circuit

220V/ 110V AC to 5V DC 1Amp SMPS (switching mode power supply) Cell Phone battery Charger Circuit

By:

This post meant to explains how to make a simple, cheap, small or compact yet extremely reliable smps or switching mode based 220V/120V mains to 5 volt dc operated cell phone battery charger circuit for high amperage batteries present in android and tabs these days.

Here we are going to use a simple IC having built in mosfet switching control circuit and also very reliable which allowes us to make a very compact but reliable circuit.

The TNY series of tiny switch ICs provide us with an option of making perhaps the smallest possible smps or switch mode based circuits with higher reliability. The tiny switch series includes the following ICs some of them are: TNY267P, TNY263, TNY264, TNY265, TNY266, TNY267, TNY268, TNY280.

The above ICs have an integrated built- in mosfet switching control circuit, there is also protection against over current and thermal overshoot, along with rugged voltage and current specifications provided. The IC comes in a DIP8 package that's exactly how a 555 is enclosed. The maximum tolerable voltage limit of the TNY series ICs is a massive 700V, that is a margin that id way too beyond our normal household AC specification. The operating frequency of this IC is at about 132kHz which is perfect for low power specification. The IC is specifically designed and built for implementing compact and reliable 120/220V mains operated SMPS flyback converter.

There may be a huge application for this switch mode power supply smps, it could be best used as a mains operated 5V cell phone charger circuit.

Monday, 26 May 2014

Make a 5volt 8-100mAmp transformerless electronic power supply or cell phon battery charger at home

How to make 5volt 8 to 100mAmp transformerless electronic power supply or cell phon battery charger simple compact, efficient and cheap at home.


Almost all of our electronic products or projects, we need a compact cheap power supply for converting mains AC voltage to a regulated DC voltage. For making a power supply designing of each and every component is essential. Here I’m going to discuss the designing of  regulated 5V Power Supply.

To make a transformerless electronic power supply or Capacitor Power Supplies, we use a Voltage Dropping non polar Capacitor in series with the main line. An ordinary capacitor can not be used in these applications because Mains Spikes may create holes in dielectric of ordinary capacitors and the capacitor will fail to work or even may explodes. This may destroy the device connected to such power supply. Thus we use X Rated Capacitor with required voltage is used for this project. X Rated Capacitors rated for 250v, 400v, 600v AC and higher voltage levels are also available. Reactance of the voltage dropping capacitor should be greater than the load resistance to keep constant current through the load otherwise the current may drop when connected to different loads.

Sunday, 13 April 2014

how to make a 48v Transformerless Electronic Automatic Battery Pack charger for Electric Vehicles or e-scooters or e-cars or e-rickshaws

How to make a 48volt Transformerless Automatic Battery Pack Charger for electric Vehicles, e-scooty, e-car, e-rickshaws etc.

By:


Today I am going to explain How to make 48v Automatic battery charger circuit which is transformerless or electronic.

Now a days electric vehicals e-scooters, e-rickshaws etc.. are very popular and beneficial for regular driving. It is also beneficial because traffic now a days are increasing very sharpely and to drive in traffic consumes lot of conventional fuel and pollute the environment more, if somebody have electric vehical he or she may only need to release the accelerator to save the charge in battery. Thats why most of the people in different countries are opting for electric vehicles.

The biggest problem with these electric vehicles are their batteries are very sensitive to overcharge and take long to recharged completely. So one have to be very attentive regarding charging if their charger dont support autocut feature while full charged.

So today we are going to learn how to make a 48V Transformerless Automatic Battery charger to make you guys relieved and dont worry about charging of your electric vehicles or e-scooters.

Thursday, 10 April 2014

Intelligent Automatic Battery Carger circuit

How to Make the Intelligent Fully Automatic Fast, Efficient Battery Charger circuit at home.

By:

While i was searching for fully automatic battery charger or fast diehard battery charger what i found on google was only crap but nothing, I dont know either most of the people dont know what exactly fast battery charger is or they dont want to share that with public. Today i am going to explain How to make a intelligent fully automatic battery charger(6v 12v 48v or any) circuit.

First you should know that, we can not charge the lead acid batteries faster because Lead acid batteries are not designed to accept high current level continuously.

How fast charging is Done:

For charging the batteries faster we apply the full dose of  high current specified for that battery and when full charged automatically switch off the charging to prevent battery from overcharge. It works best for Li-ion batteries
.

The bottom line with Lead Acid batteries is that these can not be charged quickly unless a intelligent Automatic circuitary is incorporated.

Fast charging, It should be done in step wise mechanism means initially we charge using X1 rate and then gradually reducing the rate of charging to X1/10
as battery is getting charged we need to slow down the charging rate to prevent battery from damage and overheat. And when battery becomes full charged that need to autocut the charging operation.

Wednesday, 9 April 2014

Fastest 10minute Battery Charger circuit.

How to make Easiest 10-15 minute fastest Battery Charger




Today i am going to explain how we can make the worlds fastest battery charger circuit at home in 5 minutes. It uses the most basic principle although it should be taken care that battery should not overcharged because it charges faster than any other charger.
The fast chargers out in the market actually is useless because i actually dont understand why their output current is much higher than specification of the battery. it may charge the battery faster like in 10 minutes but battery sooner become dead and useless and expands. They actually have no idea how fast charging works.
so just not wasting our precious time lets get started.

Here the components required is very popular and cheap so just dont worry you will get those components in seconds...

Components Required:

1. One rectifier diode IN5402, or IN5408, any you can find quick.
2. One incandescent bulb, having nearly exact voltage rating as the battery but current rating of the bulb should be 1/10 of the value of battery AH (AmpereHour).

Saturday, 22 March 2014

How to make Transformerless or Electronic Power Supply/Driver

How to Make Transformerless 12Volt 1 Ampere or 2 ampere or more amperage compact DC electronic Power Supply or Driver/Charger.

By:


Today we are going to learn how to design and make the Cheapest and Smallest Transformerless electronic Power Supply or capacitive power supply 12v 1a or 2a according to our requirement. Actually there are many Power supplies available in the market but most of them are transformer/smps based and are very Big, Bulky, ugly, costly and have very complex circuitary to understand by a complete newbie.


So, lets get started to learn the design procedure so that we will be able to make the desired electronic power supply onward.


The biggest advantage of this explained circuit is that it is independent of input voltages fluctuations to a great extent


Here, we assume the input power source used here is 220V AC OR 110V AC 50~60Hz from home wall socket directly.


COMPONENTS REQUIRED:

C1= 400V, 1395K Capacitor or (Connect three 400v, 475k caramic capacitor in parallel or three 2uf/400v caramic capacitor) (Note if the mains current is 220v AC 50-60Hz if mains is 110v AC then use 250v/1395k).


[The above circuit is Verified and Tested circuit by me and works great, so make it, save money & enjoy.]

WORKING OF ABOVE CIRCUIT


In above circuit, R1 is actually doing nothing, but serve's the purpose of Bleeder Resistance, means it discharges the Charge stored in C1 gradually when the circuit is not in use( it may takes time between 1 to 15 sec according to its value and amount of charge stored).

This power supply is best suited for Capacitive loads like charging the battery, LED Drivers or any capacitive load...

So, By by reading the below post you guys will be able to design and make the power supply of any current rating and voltage rating according to your requirement. So please be focused and attentive to understand the technical specifications.


[Instruction: Above project deals with mains AC current & not isolated from AC mains, So be careful and work always under the guidance of any elder if you are a complete newbie. Please always remember to keep your one hand in pocket whenever working with any live circuit so that in case the current wont pass through your heart just for safety].

USE MALE AND FEMALE JACKS TO AVOID SHOCK BY CHARGED CAPACITOR.


In my next post i m going to post a circuit of 12V 5 ampere transformer less electronic switch mode power supply(or SMPS based) or Driver.


Posts Recommended:

  1. Make 30volt 1amp transformerless power supply circuit
  2. Make a 12v 5Amp SMPS transformerless electronic power supply
  3. Make a 12V 10Amp, 20Amp, 30Amp, 40Amp variable transformerless electronic SMPS power supply
  4. Simple 12 v 1 amp SMPS power supply, battery charger, LED driver circuit
  5. Make 5V 2A Power supply by IC 78S05 simple circuit
  6. Make 5V 1Amp Cell Phone battery Charger Circuit from 220/110v
  7. Make 48V Transformerless Electronic Automatic Battery Pack Charger Circuit
  8. Make a Laptop charger (efficient and reliable) from a car battery 12v

Today we are going learn a new type of circuit generally known RC circuit or capacitive power supply, which is the simplest and Cheapest circuit you will find ever.


I have created this Circuit during my research on how to increasing the power output of electronic or transformer less power supply for capacitive loads.


So now the question arises here is that - How to make this great and easy piece of Transformerless Electronic Power Supply or LED driver circuit at home.












C1= 400V, 1395K Capacitor or (Connect three 400v/475k or two 2uF/400V capacitor in parallel for 1.2Ampere or higher capacitance for higher current according to the calculations explained below).


R1= 10M ohm or 1M ohm 1watt resistor.


D1-D4= IN5408 (4 DIODES)( just choose diodes which have double ratig for our curent requirement for e.g. for 2 amp choose diode of rating 4 amp...)



R2= 10 ohm 1 or 2 watt.( 2 watt will be better for heat handling or dissipation)



C2= 1000uF(micro faraday) ,50 v ( 2 in number if you finds the output is fluctuating, connect them in parallel for better filtering of ripples produced due to rectification of AC mains current).


z1= zener of 15v to prevent any voltage fluctuations caused due to input voltage fluctuation to regulate our DC output to maximum of 15 volt max in extreme case.


{note: you must add a 10M or 1M ohm as a bleeder resistance parallel to C2 for Discharging the charge stored in C2 otherwise you may get a high current shock or surge current dur to charge stored in the capacitor if this charge is not discharged when circuit is not in operation it is going to remain for very long time and someone may get the shock. In later posts we will learn the techenique to remove any surge current by incorporating a crowbar circuit at the output. So simply to understand better this circuit and make it simple simply connect a higher value capacitor across capacitor C1.}


{Do not touch any terminals with bare hands even the Driver is Unplugged. First discharge the C1 and C2 by shorting the input and output terminal together. there will be spark generated while doing this this means charge stored is discharged completely by you now. Only after that you should touch any terminal, or leave for some time before touching the terminals so that bleeder resistance work for you to discharge the charge stored in capacitor C1.}

Calculations:


If we use 2uF/400V(because it is readily available in the market) THEN :


the capacitive reactance offered by capacitor(2uF/400V) connected at mains supply is:
x= 1/(2*pi*f*c) where pi is 22/7, and f is the frequency of mains supply eg 50Hz or 60Hz
then
now reactance or impidence ( or simply resistance) of whole ckt is = sqrt(R+x) where R is the resistance or load and wires all together attached in circuit and sqrt means squareroot of (R+X)
now out put current i=(v/z) where v= mains voltage 220v or 111v
So you can now calculate the capacitance of circuit according to the required current.


If you want to increase the output current just simply increases the capacitance value of C1 or just by Adding more C1 together in parallel if you are unable to find the appropriate value capacitor in market.


The C2 here only used as a filter to reduce the ripples in the output waveform.( it acts as filter to smoothen the output DC desired.)


Z1 is zener to protect the appliances from overvoltages.


If you want to decrease the voltage rating just use appropriate zener diode


If you wanted to increase the voltage rating of the circuit to double just use doubler circuit to double the voltage but the catch is that the current will become half and frequency become twice means 120Hz. so according to your requirement just increase the output DC current by simply adding high capacitance capacitor or add more C1 in parallel if you need high output DC voltage


For capacitance C1 related calculation problems or any problem regarding this explained circuit please reply in comment section and i will be happy to help by reply ASAP.


If you find above circuit interesting or useful please share it will be our reward from your side.


 Thank you for Reading.