The usb charger circuit works from 6 aa batteries, 6 aaa batteries, or a 9v battery. From a 9v to 40v dc input, this design generates a 5v2. Diy solar cell phone or usb charger circuit diagram. The majority of the cellphones battery is appraised 3. Charging batteries using usb power maxim integrated.
Free electrical schematic diagram software drawing circuit. Charging the battery forces the ions to move back across the electrolyte and embed themselves in the negative electrode ready for the next discharge cycle figure 1. Apr 16, 2020 hh004f led driver circuit updated february 14, 2017 by arnab hh004f is a low power integrated boost converter ic in a to92 package, look exactly like a small transistor. These battery are combinations of three lithium cells whose voltage rating is 1. An example circuit of a single usb switch is seen in the schematic below. Normaly when we extend a usb cable it has different wire colors that was difficult. Nov 06, 2016 charging via mini usb connector which is very common. The charger works like a 500 ma iphone charger and will work with most modern phones. Simple usb charging circuit electronics projects circuits. Read this post to know about its circuit diagram and working. Battery management controllers charging, liion microchip. Usb mobile charger circuit now the charging of your mobiles has been made easy with the help of usb outlets present in the laptop and pc. Without any usb to phone battery charger circuit we can charging phone battery using port on usb computer, but it will quickly damage the phone battery, and the battery will bulge. Circuit diagram free electrical schematic diagram software.
Power bank circuit for smartphones full circuit explanation. Follow the link given for details of this amazing software. Usb powered mobile phone battery charger eeweb community. Oct 12, 2016 usb cable extension different wire color in this video i am going to tell you about how to extend usb cable. The iphone and kindle both come with tiny power supplies that take in 120v ac and output around 5v at 0. The charger circuit requires a 5 v input, which can readily be obtained from a usb port or from any 5 v power supply.
Low cost universal battery charger schematic eeweb community. Aug 29, 2016 an example circuit of a single usb switch is seen in the schematic below. Usb cable extension different wire color in this video i am going to tell you about how to extend usb cable. This is a project of a mini usb car charger circuit. Usb cellphone charger electronic schematic diagram. Nov 15, 2010 hi guise, building a usb charging station. I am wondering what i need to do to put rechargeable in the unit, and charge them in the unit.
I know ill need usb inputs and the ac power source to name a few. Power strip surge protector with 6 usb charging ports and 6 outlets, 6ft heavy duty extension cord, 1625w. Below is a circuit where the voltage is removed the usb on the computer will be strengthened by several components so that the voltage used to charge batteries more powerful and. Additionally tp4056 is compatible with micro usb as well as adapter. Reference designs offer the theory, component selection, and simulation of useful circuits. Usb battery charger circuit electronics project design. The charge process begins with a trickle charge current. This reference design is a complete automotive usb charger solution from the car battery. Portable usb charger circuit build electronic circuits. Usb mobile charger circuit circuit diagram, usb hub, usb.
Depending on battery chemistry, microchip offers a broad array of battery management solutions which feature small package sizes, highefficiency, low standby power, accuracy and versatility solutions to solve these portable power conversion challenges. Hh004f led driver circuit updated february 14, 2017 by arnab hh004f is a low power integrated boost converter ic in a to92 package, look exactly like a small transistor. When the cell terminal voltage is sufficiently high the charger switches to a higher constant charge current. If you dont have software to draw the schematic, use a preword processor from the 60s. Leaving the radios on during charging confuses the charger and leads to charging discharging cylces, which wears out the battery and perhaps also overloads the charging circuit. This solar usb battery charger circuit can be used to charge any device, which can be charge from computer usb port. Electronic engineering electrical engineering usb hub diy electronics electronics projects arduino mega e reader gadgets circuit diagram. Since you dont know where exactly your friends are, you pick up your phone to call them. Usb charger circuit diagram how mobile charger works. This simple usb cellphone charger circuit can give regulated 4. Public circuits, schematics, and circuit simulations on circuitlab tagged charger. Circuit of the smps section 5 volt output is given secondaries in the control section a simple onetransistor s9015 circuit with a 3. This portable usb charger circuit is easy to build.
Nowadays mobile phones have become an integral part of everyones life and hence require frequent charging of battery owing to longer duration usage. Freepcb free electrical schematic diagram software. The circuit is very simple to build using only three components. Do you have its battery specifications, such as charging voltage range and the recommended charging rate. The usb kill collects power from the usb power lines 5v, 1 3a until it reaches 240v, upon which it discharges the stored voltage into the usb data lines. First connect the battery across the indicated points, and then plug in the usb connector with your computers usb socket. Now you can charge your mobile phone from the usb outlet of pc. It uses standard aa batteries that you can buy in any supermarket, or you can modify it to use other battery types, solar power or even power adapters not really meant for your phone. Sep 02, 2015 usb mobile charger circuit description.
This circuit works fine with most simple usb devices, however many modern phones or tablets require a much. This is the schematic diagram of cellphone charger circuit which connecter to the usb as main power. Hence we need a replacement for the charging station and power supply. Tp4056 is a fully linear constant currentconstant voltage charger for a single cell liionlipo lithium polymer batteries. Introduction to usb circuit design usb is an acronym for universal serial bus and is the technology that enables the connections between computer and external devices over a cable using bi serial transmission. The usb kill collects power from the usb power lines 5v, 1 3a until it reaches 240v, upon which it discharges the stored voltage into the. And for charging mobile quickly there is a need of 4.
Bestpractice layout design guidelines for highspeed usb 2. But low current charging is better to increase the efficiency of the. Pic18f4550 is the main devices that communicate with pc and control stepping motor. With simple charging at 100ma from usb and 350ma from an ac adapter, no enumeration is needed for the charger because the usb charge current does not exceed one unit load 100ma. The circuit consists of a pair of mosfet switching transistors and a couple of resistors. You can now charge your smartphone by connecting it to the usb socket of the converter module usbout using a usb cable and closing switch s1. With this portable usb charger, you can recharge your phone onthego. But for highcapacity batteries, the 500ma output current of usb hosts and powered hubs greatly extends the charging time.
The tool has support to export the digital circuit in images. Leaving the radios on during charging confuses the charger and leads to chargingdischarging cylces, which wears out the battery and perhaps also overloads the charging circuit. Usb charger circuit diagram how mobile charger works free. Youre on your way to meet friends for a picnic in the park. This ic has many built in featuers like thermal overload protection, short circuit protection, safe operating. For the charging of your mobile phone, this circuit provides you a regulated voltage of 4. The battery of the baofeng has 2 liion cells, with 1800 mah, and 7. I needed this usb light since long time ago but, finally. Ics main function is as decisive end and a battery charging. A designers guide to lithium ion liion battery charging. Mobile phones generally charge with 5v regulated dc supply, so basically we are going to build a circuit. Here is the circuit diagram of a low cost universal charger for nicd nimh batteries.
Complete subsystem reference with schematics, bom, design files and test data implemented on a fully assembled board developed for testing and validation. The switch consists of 8 such circuits to ensure parallel control of individual usb connections. Usb mobile charger circuit mobile phone travel charger. Charging via miniusb connector which is very common. Circuitlab is an inbrowser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and. Whit this circuit, you can charger your cell phone from usb port in your pc or notebook. Mobile charger circuit diagram and working principle how smps works free circuit lab duration. Circuit modifications that help to meet alternate design goals are also discussed. Takes dc power from as low as 2v and bumps it up to the 5v usb needs at around 600ma 0. Max charging current 500malimited by usb supply, depending on battery. In a liion battery, lithium ions move from one intercalation compound to another while electrons flow around the circuit to power the load. To illustrate the capabilities of this new standard and show what engineers will need to understand to build systems utilizing the typec standard, this twopart miniseries will explore the design of a simple typec charging dock with displayport connectivity. If the software fails to assign the address, pc will not detect the device. Its low external component count and small outline package make it perfect for portable applications.
Usb powered battery charger circuit electronic circuit. My question is doesnt the circuit need a capacitor. How to make a fast charger for your phone custom maker pro. Overview a handy dc to usb assembled circuit that we use to make our solar usb chargers. Usb outlet can give 5 volts dc and 100 ma current which is sufficient for the slow charging of mobile phones. How do i design a 2a or more power supply for my consumer usb devices. They seem to be too small and light to have a transformer, and generate very lit. Mobile battery charger circuit and working principle. Usb mobile charger circuit circuit diagram, usb, electronic. Low cost solution for charging of both nicd and nimh batteries. If the output is ok and polarity is correct, connect it with the mobile phone. Usb charger circuit diagram how mobile charger works free circuit lab.
Usb charger battery lion circuit circuit wiring diagrams. This circuit is used in to usb adapter to charge battery. Once detected, the pc sends data to the usb system software to recognize it which then identify the device and assign an address. Circuit diagram is an opensource and free software used to design electronic circuit diagrams. Usb led lamp circuit description here is a simple usb powered lamp that can be used to light your desktop during power failures. Data transfer between usb devices with a linebus speed up to 480 mbps. Sep 11, 2016 this circuit is used in to usb adapter to charge battery. Here is the schematic of a simple diy solar cell phone or usb charger circuit.
It is a device that is placed between the solar panel and the battery bank to control the amount of electric energy produced by so. These battery packs have 3 nimh or lithium cells having 1. Learn about how fast chargers work and how to design a fast charger for your. This circuit charges the battery whenever the device is docked to usb or plugged into the ac adapter. Because the voltage which was issued on usb is 5 volts, while the averagevoltage phone battery 3. Usb cellphone charger circuit circuit wiring diagrams. This circuit works fine with most simple usb devices, however many modern phones or. What are the names of the components i need to put in the schematics. If you are planning to install an offgrid solar system with a battery bank, youll need a solar charge controller. It has ability to transform a mains adapter in to a charger. How do i design a 2a or more power supply for my consumer usb. This address is used to detect the particular usb device. Pictures on usb cell phone charger circuit schematic.
Heart of the circuit is a lm78m05 ic which is a 5v positive voltage regulator ic. Therefore, the above series can only be used to fill a lion battery only. Once the circuit is assembled and set up, the below shown design can be used for charging any spare liion battery through the usb port. Hey guys, i have this schematic for a aa battery usb charger i built. The following is a schematic and fritzing style wiring diagram that. All these batteries are fairly simple to find in most supermarkets. Usb to phone battery charger circuit electronic circuit.
Single lithium cell charger schematic circuit diagram. A redcoloured led of the converter module will turn on, showing the charging status of the smartphone. Thanks for watching subscribe to this channel for interesting electronics videos. This usb mobile charger circuit helps in charging the mobile phones while you are in travel. Usb battery charger circuit in recent years, the use of usb or universal serial bus as a reliable communications interface in many electronic devices have increased due to its increased speed, size and flexibility. A mobile battery charger circuit is a device that can automatically recharge a mobile phones battery when the power in it gets low. Simple circuit by using opamp, resistor, and not by any complex dedicated ic or microcontroller. This is a simple led circuit that takes power from the usb port. Usb power supply using tps61088 to support quick charge 2. Dec 22, 2019 the charger circuit requires a 5 v input, which can readily be obtained from a usb port or from any 5 v power supply. The software controls the input and output data between the pc and device.
686 1208 371 430 1390 550 457 634 291 867 261 133 1297 213 1224 1431 834 522 339 700 818 263 1259 1158 833 977 682 731 461 1111 1186 164 184 818 908 996 74 922 201 404 313