E bike charger circuit diagram diagram base website circuit

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E bike charger circuit diagram diagram base website circuit

Pin 3 which is the inverting input of the IC is referenced with a fixed voltage of 4. The preset is set in such a way that the voltage at pin 2 rises above the 4.

The moment this happens, the output of the opamp goes low switching OFF the mosfet, and cutting off the voltage to the battery. Initially as ling as the battery voltage and the over all voltage from the 48V supply remains below the full charge threshold level of the battery, the output of the opamp stays high and the mosfet us kept switched ON. This allows the voltage to the battery for charging, until the above explained threshold is reached which automatically inhibits the battery from further charging.

NOTE : You will have to connect the battery first and then switch ON the input supply, otherwise the mosfet will fail to initiate for the charging process. Make sure the green LED remains illuminated after power switch ON, this will confirm the charging status of the battery. The modifications enables the circuit to switch OFF the battery charging process at the set over charge threshold and restore back the process when the battery voltage falls below the low threshold value.

The 10k preset must be adjusted to set the full charge level while the 22k preset for detecting the lower threshold of the battery. This will prevent the op amp offset voltage from reaching the BC base and false triggering. For setting up procedure, the sample power supply should be connected across the points where the battery is connected, the mosfet does not require any attention initially. DO NOT connect the battery while carrying out this procedure.

Seal the adjusted preset with some glue. Please note that during actual operations, the above circuit will remain functional only as long as a battery stays connected at the shown points, without a battery the circuit will not detect or respond. I have a v solar panel setup which is charging a 48v 78ah battery. What I want is when my battery is fully charged that is it reaches to 54v the battery charging stops and the supply which is coming from the solar panels is directed to another port from which we can charge any other device connected to the port.

Once it reaches 48v the battery again starts charging on solar panels and the supply to the other port is stopped. If you have any circuit related query, you may interact through comments, I'll be most happy to help! Your email:. Hey, I need to modify this circuit for charging batteries from 48V and mAh, what can I do?

Please aswer. Hi Swagatam, I would like to know if you have any ideal about Transformer less Li-ion battery charger circuit diagram of 48V, Amps output. However, the ideal method is the transformer based only, which is the safest and the most reliable. Thanks for your prompt reply. Will follow your guidance and send you the feedback. I once again truly appreciate your remarkable support.

I have used IRF; but it is only for 23Amps. In the same manner i needi have 2 lithium phosphate battery one is 60v 24ah and othr is 72v 24ah batter for this i need same automatic charging i need circuit, if over charge auto cutoff.

Can you make for me. Hi Sir, I am designing a charger for 48v, Ah Li-ion battery. Can you help me in the modifications that I need to make in your circuit?

Thank You. Hi Sir, Still the led is not turning on After changing the resistor value to 10k near pin7. I had sent you the screenshot of my simulation through mail.

Please go through it and help me in finding the solution.This is the bike I up-dated, a Pedego Interceptor. When the Pedego City Commuter came out in August of modelI was pleased to be one of the first to report on it.

There was so much to like, yet I felt there was one thing about the control system that needed just a minor tweak. Then with the year, they added the new display and pedelec features to their Interceptor model too. Then with thevoila, success. Now I feel they have covered all the bases for E-bike safety, control and convenience. From the underside of the display you can see the USB port and the rubber plug that keeps it clean when not in use.

One other cool thing to make the grade with the electrical controls for is the USB power port on the back of the display unit. So now you can power your phone or audio devices bike light charging too right from the large on-board motor battery. If you have aCity Commuter or a Interceptor you too can have these features included on your E-bike. Your local friendly neighborhood Pedego dealer can do the swap in a jiff. It is also something that most any knowledgeable E-bike shop can do for you.

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It is really just a matter of getting the correct ECU electronic control unit and display from Pedego, then having them installed and set by the right person. Why a throttle override? With dual control the motor will activate from the hand throttle or the automatic pedelec circuit. Although each E-bike maker may set their system differently, here is the basics. The hand throttle will allow you to chose your motor power level and vary it as you ride.

A application of the throttle should net up to full power when you need it in tight traffic situations as one example.

e bike charger circuit diagram diagram base website circuit

Plus that throttle should be active for starting out to help achieve your initial balance. You probably know that the pedelec part allows the motor to come on automatically while you are pedaling, and turn it off when you stop pedaling. The display lets you chose one of 5 power levels it will go to when you pedal. This is a great thing letting the power flow without having to hold the throttle all the time to get electric-assist.

As you ride you can toggle through the power levels to match each situation and speed need you encounter. The new display is much like the original, but just a bit bigger. So, if you were in one of the 5 pedelec power levels not 0than the hand throttle was de-activated. To use the throttle you need to toggle to the 0 level on the display to allow the throttle to work, but then the pedelec was de-activated.

So with the new throttle override, both are fully active whenever the bike is switched on. This makes so much sense, I feel every E-bike with dual control must work in this manner.

The way control systems work is important to me, and I feel this throttle override is very necessary. If you feel the same, then go for the up-grade on your Pedego. Remember this only works with Pedegos that came with the display and the pedelec feature. In this view you can see the Allen screw that holds the display—and the connector that hooks it to the wiring harness.

They let me upgrade the Interceptor that I have on loan from them. Installing the display is the easy part, with just one Allen screw and one connector to deal with. They do use different connectors on some models so that part needs to be a match specify the name on the connector when ordering. In fact when ordering, they need to know the model, year and voltage too. The screw holds the unit to the handlebars with a circular clamp.

The connector is just 6 inches from the display unit under the easy to deal with plastic wrap.We deliver up-to-date correct, authentic data based on evaluation unbiased at no cost to you. To do this, we display ads from only trusted Partners. To continue on our site, simply turn off your ad blocker and refresh the page. In this topic we are tried to understand the working of Controller in E-bike.

There is third party involved in this to manage them and they work correctly. This is only possible by somehow programming and hardware skill with the help of controller.

Now we are designed controller for this to control the motor of bike. The main or we can say the core feature of this controller is to manage the DC Motor that the run smoothly. If you want this things run perfectly then make sure you are using controller.

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Now we are designing such type of controller that will responsible of all. For does all this things we are using Pulse-width Modulation technique.

e bike charger circuit diagram diagram base website circuit

We will discuss later. Now we discuss the other functionalities of the controller that we are making such like:.

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We are using cutoff switch that is responsible for the voltage supply from the battery. Cutoff switch cut the connection if voltage drops to the motor. This help to protect the battery from over discharge. This cutoff switch is used for temperature monitoring of field effect power transistors. It will cut the power supply of motor if that FET power Transistors overheated. This cutoff switch is manage the current supply to motor and the field effect power transistor.

In case of the over current is supply to the motor and field effect power transistor, it wil cut the power supply for the protection of motor and field effect transistor. This cutoff switch is help to manage motor and no waste of current.

CellPhone charger using bike battery

It cut the supply to the motor when you applying brakes. This is only for safety purpose. This is advanced level project. If you are using 48 volt power supply then you have to use 12 volts power supply for the controller. If you are using 12 volts cells pack then simply tap 12 volt from the pack. In my case it is impossible for me, so i am using 12 volts power supply or you can convert DC to DC converter to supply 12 volts power.

The controller that we are making is designed for this e-Bike. This E-bike use very small amount of Amps like 10 Amps at 50 volts. It was tested around about 10 mile every day and this controller is tested and trouble free. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.Variety of e bike controller wiring diagram. A wiring diagram is a streamlined standard photographic depiction of an electric circuit.

It reveals the elements of the circuit as streamlined shapes, as well as the power and signal links in between the gadgets. A wiring diagram usually gives info concerning the family member setting and plan of devices and also terminals on the gadgets, to aid in structure or servicing the device.

A pictorial diagram would certainly show a lot more detail of the physical appearance, whereas a wiring diagram makes use of an extra symbolic symbols to emphasize interconnections over physical look. A wiring diagram is often utilized to troubleshoot troubles and to make sure that all the links have been made which whatever exists.

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Assortment of e bike controller wiring diagram. Click on the image to enlarge, and then save it to your computer by right clicking on the image.

e bike charger circuit diagram diagram base website circuit

A wiring diagram is a kind of schematic which utilizes abstract photographic symbols to show all the affiliations of elements in a system. Electrical wiring layouts are made up of two things: signs that stand for the components in the circuit, and lines that represent the links in between them.

For that reason, from circuitry diagrams, you know the relative place of the parts and exactly how they are attached. Wiring diagrams mostly shows the physical setting of elements and also connections in the built circuit, however not necessarily in reasoning order.

To read a wiring diagram, initially you need to know what basic components are included in a wiring diagram, and also which pictorial symbols are utilized to represent them.

Circuit diagram

The typical elements in a wiring diagram are ground, power supply, cable and also link, output tools, switches, resistors, logic gate, lights, and so on. A line represents a cable. Wires are used to attach the parts with each other.

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There ought to be a legend on the wiring diagram to inform you what each color suggests. Usually circuits with more compared to 2 elements have 2 standard types of connections: collection as well as parallel.

A series circuit is a circuit in which elements are connected along a single course, so the current flows through one component to obtain to the following one. In a series circuit, voltages build up for all parts linked in the circuit, as well as currents are the exact same through all components. In a parallel circuit, each tool is straight attached to the source of power, so each tool receives the same voltage.

The existing in a parallel circuit streams along each parallel branch as well as re-combines when the branches reunite. An excellent wiring diagram should be technically right as well as clear to read. Take treatment of every detail. For instance, the diagram must show the appropriate instructions of the favorable and negative terminals of each component. Make use of the appropriate signs.

Find out the meanings of the fundamental circuit signs and also pick the right ones to utilize. Several of the icons have truly close appearance. You require to have the ability to discriminate before applying them. Attract connecting cords as straight lines. Utilize a dot to show line junction, or use line leaps to suggest cross lines that are not attached.

Label components such as resistors and also capacitors with their values. Ensure the message placement looks clean.Post a comment.

This is a fantastic circuit for self-protection. In case a burglar intrudes your house, you can use this security circuit as a weapon for self-protection by giving a mild electric shock to the attacker. This circuit comprises astable multivibrator, inverter, and voltage quadrupler sections.

The astable multvibrator is designed for 1 kHz with a 9V DC supply. The inverter section consists of switching transistors and an inverter transformer. The primary of transformer is of 9VV and the secondary is of V, mA. For compatibility, a driver transformer that is used in radio is used as the inverter transformer.

The secondary output current of mA gives a good enough shock to human body. The astable multivibrator consists of two BC transistors T1 and T2two 0. A squarewave output of 1 kHz with a phase shift of degrees is obtained at the collector of transistor T1 or T2. This squarewave output is given to the base of switching transistors BD T3 and T4.

The collectors of transistors T3 and T4 are connected to the primary of the transformer and their emitters are grounded.

e bike charger circuit diagram diagram base website circuit

This is an inverter action, so we get around V AC at the secondary of the transformer. The voltage quadrupler develops a DC voltage output equal to three or four times the input AC voltage.

During the first positive half cycle, diode D1 conducts, charging C1 to Vm with polarity as shown in Fig. During the first negative half cycle, diode D2 conducts, charging C2 to 2Vm. During the second positive half cycle, diodes D1 and D3 conduct, charging capacitors C1 and C3, while the voltage across capacitor C2 charges capacitor C3 to the same value 2Vm.

Therefore we get around V at the output of voltage quadrupler across points A and B, as shown in Fig. Press the pushbutton switch S1 of the circuit and touch the output connectors to any object.

There will be a heavy electric discharge, which is enough for a good shock. Mount the circuit in a toy gun with output connectors at the front end of the barrel. The output connectors may be connected to two aluminium pieces with an insulator placed between them to avoid short circuit. The arrangement is shown in Fig. Press switch S1 here the trigger point of toy gun and touch the front end of the barrel of toy gun to a person.

The current in the voltage quadrupler will get discharged through the metal or aluminium pieces via the human body and the person will feel the electric shock.

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Check the circuit thoroughly before testing on anyone and use it judiciously, only when necessary. Find Us on Facebook. Top Circuits Diagram. Popular Posts. I think you've seen or even have an active speaker and there is written Using as FM transmitter Circuit Diagram.

The integrated circuit has no limits, this FM transmitter circuit, the IC is designed as an stable multivibrator as usual. But the An efficient way to measure the RPM of a vehicle is through its ignition pulses.The post explains a simple lithium polymer Lipo battery with over charge cut off feature.

The idea was requested by Mr. Arun Prashan. It was really informative. I would like to ask something regarding that article. I am working on a hexapedal robot with battery switching mechanism.

My concern is not regarding the switching circuit.

Simple 48V Automatic Battery Charger Circuit

Together with this, I am working on energy generation by attaching a generator to each motor. The current generated is intended to be used to recharge 30C Can you give me any other option pertaining my issue. A Lithium polymer battery or simply a lipo battery is an advanced breed of the more popular lithium ion battery, and just like it's older counterpart is specified with stringent charging and discharging parameters.

However if look at the these specifications in detail we find it to be rather lenient as far as the rates are concerned, to be more precise a Lipo battery can be charged at the rate of 5C and discharged even at much higher rates, here "C" is the AH rating of the battery. The above specs actually gives us the liberty of using much higher current inputs without worrying about an over current situation for the battery, which is normally the case when lead acid batteries are involved.

It means the amp rating of the input could be ignored in most cases since the rating may not exceed the 5 x AH spec of the battery, in most cases. Having said that, it's always a better and a safe idea to charge such critical devices with a rate that may be lower than the max specified level, a C x 1 could be the taken as the optimum and the safest rate of charging. Since here we are interested in designing a lithium polymer Lipo battery charger circuit, we'll concentrate more on this and see how a lipo battery may be charged safely yet optimally using components that might be already sitting in your electronic junk box.

Referring to the shown Lipo battery charger circuit diagram, the entire design could be seen configured around the IC LM which is basically a versatile voltage regulator chip and has all the protection features built in. It will not allow more than 1. The IC here is basically used for setting up the exact required charging voltage level for the lipo battery.

This may be accomplished by adjusting the accompanied 10k pot or a preset. The section at the extreme right which incorporates an opamp is the over charge cut off stage and makes sure that the battery is never allowed to overcharge, and cuts off the supply to the battery as soon as the over charge threshold is reached.

The 10 k preset positioned at pin3 of the opamp is used for setting the over charge level, for a 3. Since a diode is positioned at the positive of the battery, the LM output must be set to about 4. For 3 cells in series, this value will need to be adjusted to 4. When power is first switched ON this must be done after connecting the battery across the shown positionthe battery being in a discharged state pulls the supply from the LM to the existing level of its voltage level, let's assume it to be 3.

The above situation keeps pin3 of the opamp well below the reference voltage level fixed at pin2 of the ICcreating a low logic at pin6 or the output of the IC. Now as the battery begins accumulating charge its voltage level starts rising until it reaches the 4. Once this happens the ADJ pin of the LM gets grounded forcing it to shut off its output supply to the lipo battery.Electric bicycle charger To lead-acid battery electric vehicles, nickel cadmium batteries to add energy, through the charger.

Many different types of chargers.

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Generally distinguish between whether the frequency transformer can be divided into two broad categories. Cattle commonly used high-power frequency transformer ring. Although low efficiency, but current available at 30Aand reliable. Electric three-wheeled cargo, without exception, to use it, and 30Ah batteries are mostly used the following switching power supply technology, thus improving efficiency, get rid of the bulky low frequency transformer.

Electric bicycle charger at 2A maximum charge current is mostly about. Using switching power supply technology for electric bicycle charger 1 Shandong GD36 Charger Circuit diagram shown in Figure. The charger for the half bridge charger. The main performance indicators: Input voltage V; output voltage: 44 V adjustable ; Maximum charge current: 1. Self-excited half-bridge output circuit plus he excited mainly by Q1, Q2, B2, B3 and other components.

Self-excited to start the circuit is characterized by a self-excited start, the control circuit to provide the necessary auxiliary power by itself, without a separate. Self-excited oscillation is generated by core saturation, the specific process is: power, C5, C6 on the V voltage by R5, R7, R9, R10 to switch Q1, Q2 provides base bias.

This is a very strong positive feedback process, Q1 quickly saturated conduction. At the same time, 3 — 5 3 foot winding induces a positive, 5 foot negative voltage, so that Q2 closed. Q1 saturated conduction, the voltage to B3 1 — 2 storage charge the main winding, coil current and the magnetic field it produces increases linearly with time. This is also a strong positive feedback process, the result is close Q1, Q2 saturated conduction. Since then, this process is repeated and the formation of oscillation.

Works as follows: He oscillation: the process of self-excited oscillation, B3 of the secondary output voltage through D9, D10 full-wave rectifier, C19 filter, PWM control circuit to establish the necessary working power chip TL D6, D7 are two clamping diodes. Protect the switch Q1, Q2.


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