Battery Charger Circuits
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The above pictured schematic diagram is just a standard constant current model with a added current limiter, consisting of Q1, R1, and R4. The moment too much current is flowing biases Q1 and drops the output voltage. The output voltage is: 1. 2 x.... -
The circuit is designed as a constant voltage source with a negative temperature coefficient. The transistor Q1 (BD 140) is used as the temperature sensor. The transistor Q2 is used to prevent the battery from discharging through R1 when the mains power is.... -
Nowadays it has become necessary to own a car battery charger at home. By keeping one at home, we can avoid car starting trouble due to battery complaints. Buying one battery charger will cost you huge amounts while the components used in the car battery.... -
In appliance that appeal for aerial current, Nicad (NiCd) rechargeable array still has the angry achievement compared to NiMH and Lithium battery. The charger ambit actuality is acute in the way it handle the amiss polarity of the array placement. The core.... -
Powered by LM2700 IC, this charger can help you to re-charge your mp3 player, camera, cell phone, and any other gadget you can plug into a USB port with faster rate.... -
You can save on your electricity bills by switching to alternative sources of power. The photovoltaic module or solar panel described here is capable of delivering a power of 5 watts. At full sunlight, the solar panel outputs 16. 5V. It can deliver a current.... -
You need not be disappointed next time when your digital camera shows low battery indication during a picnic trip. Just plug this digital camera adaptor into the cigarette lighter outlet of your car and connect the camera to it. The adaptor will interface.... -
This is a simple 12V rechargeable smart battery charger circuit. You can use this best battery charger circuit as car battery chargers, Inverter battery charger, Emergency light battery charger etc. An automatic indicator alarm circuit also comes along with.... -
This is a simple DIY charge controller schematic posted in response to a request by one of our readerson our facebook page. The main component of this auto battery charger circuit is a 555 timer which compares the voltage in the battery. It turns ON the.... -
This lead acid battery charger circuit is designed in response to a request from Mr. Devdas. C. His requirement was a circuit to charge two 12V/7AH lead acid batteries in series. Anyway he did not mentioned the no of cells per each 12V battery. The no of.... -
A very simple battery charger circuit having reverse polarity indication is shown here. The circuit is based on IC L200. L200 is a five pin variable voltage voltage regulator IC. The charging circuit can be fed by the DC voltage from a bridge rectifier or.... -
Here is a simple but effective battery charger circuit using IC LM 317. The circuit can be used to charge 12Vlead acid batteries. The circuit is very simple and can be easily assembled on a general purpose PCB. The heart of the circuit is IC LM 317, which is.... -
A simple battery charger based on SCR is shown here. Here the SCR rectifies the AC mains voltage to charge the battery. When the battery connected to the charger gets discharged the battery voltage gets dropped. This inhibits the forward biasing voltage from.... -
Here is a simple circuit using IC LM 350, which can be used for charging 12V lead acid batteries. This circuit is perfect for constant charging 12V lead acid batteries. The circuit is designed as a constant voltage source with a negative temperature.... -
Given below, is a very simple circuit that can be used for charging car batteries. In this circuit there is facility for monitoring the charging current and voltage. The circuit is based on the IC MC78T12ABT from Freescale. The IC is nothing but a 7812 in.... -
A simple lead acid battery charger circuit with diagram and schematic using IC LM 317,which provides correct battery charging voltage. This lead acid battery charger should be given an input 18 Volts to IC.... -
This is the circuit diagram of a very powerful and efficient Ni-MH battery charger using IC LT4060 from Linear Technologies. In addition to Ni-MH batteries Ni-Cd batteries can be also charged by slightly modifying the circuit. For charging Ni-Cd batteries.... -
A 12V battery full charging circuit with simple diagram for rectifier is given.The lead acid trickle charger circuit is explained with a rectifier.... -
This circuit shows a Lithium Battery Charger circuit diagram. Charging is accomplished with a constant current of 60 mA for AA cells to a cutoff of 2. 4V per cell, at which point the charge must be terminated. Component: LM317 IC, Diode, Resistor, Capacitor,.... -
This circuit have a function for digital cameras. It`s known the digital cameras have considerable power consumption. For example my camera .... -
The following circuit shows about 1.5 V Lead-Acid Battery Charger Circuit Diagram. Features: comparator s output controls the voltage regulator, .... -
The following circuit shows about LM317T IC Fir Solar Battery Charger Circuit Diagram. Features: Simple circuit, for AA and AAA rechargeable .... -
The following circuit shows about Emergency Light With Battery Charger Circuit Diagram. Features:automatic switching-on of the light on mains .... -
The following circuit shows about Ni-Cd Battery Charger Super Fast Circuit. Features: based on the IC MAX 712, Ni-Cd battery at 3oomA, charging .... -
This circuit shows about 7806IC For Automatic Battery Charger Circuit DIagram . Features: designed for a car battery (about 40 Ah rating), used .... -
The following circuit shows a Portable NiCd battery charger ciecuit diagram. The portable batteries charger used to provide an opportunity to load .... -
The following circuit shows about Simple Battery Charger With The Temperature Sensor. This circuit based on the LM350 IC. Features: negative .... -
This circuit can be primarily used for charging 12V Ni-Cd battery packs. Any way 6V and 9V battery packs can be also charged by using this circuit a little.... -
The AAT1265 evaluation board provides a platform for the testing and evaluation of the AAT1265 low voltage 2MHz Step-up Regulator The evaluation board demonstrates suggested size and placement of external components to main- tain output voltage regulation.... -
BU8732AKV is a PCM codec IC for digital cellular phones. This includes plenty of Analog input / output functions such as a 14bit precision linear. / A-LAW codec, a Microphone Amplifier with two systems, Amplifiers for speaker and earphone and a Switch....
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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