Battery Charger Circuits
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This circuit may be used to replace the single current limiting resistor often found in dirt cheap battery chargers. The alternative shown here will event....
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This simple circuit can give regulated 4. 7 volts for charging a mobile phone. USB outlet can give 5 volts DC at 100mA current which is sufficient for the slow charging of mobile phones. Most of the Mobile Phone batteries are rated 3. 6 volts at 1000 to 1300....
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I need a constant voltage 44V, 1A max battery charger. This will be built into the battery compartment of an e-bike, and will be permanently connected to the three 1....
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The our best 12 Volt battery charger circuit, this is a charger circuit automatic system, then when the battery voltage is lower than specified, this circuit....
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When you want to build the lead-acid battery charger project for 6V battery or 12V. Although there are many methods to choose from. I like using IC LM317....
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As you can see in this schematic circuit this battery charger has extreme few components, but is doing a very good job. When power is applied to the circuit the SCR1 is off, so there is no bias-current path to ground. The LM317 is connected to the battery....
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This cell phone charger circuit diagram electronic project is based on the FSEZ1307 third-generation primary side regulation (PSR) PWM controller integrated circuit. The FEZ1307 cell phone charger can be used for battery chargers applications for devices....
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A very simple 3. 25W CV/CC charger can be designed using LinKSwitch | family IC manufactured by Power Integrations. This electronic circuit project is designed to provide a 5 volts output at a maximum current of 650mA. This 3. 25W CV/CC charger, needs to be....
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A very simple and efficiency Lithium battery charger and monitoring system, can be designed using the LTM8061 integrated circuit, designed by Linear Technology. The LTM8061 IC is a high efficiency 32V, 2A Module standalone Lithium battery charger optimized....
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A very simple 5 volt constant voltage, constant current (CV/CC) universal-input power supply for cell phone or similar charger applications can be designed using the LNK616PG product from the LinkSwitch-II family. As you can see in the circuit diagram, this....
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This simple wind Charger circuit electronic project is designed using the LTC1042 monolithic CMOS window comparator, manufactured by Linear Technology. This Wind charger circuit electronic project use the wind power to produce the energy required to charge....
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For the MAX712 charger is needed a power supply with a output voltage with at least 1. 5V higher than the maximum battery voltage. Charge completion is determinate by a voltage-slope detecting analog-to-digital converter, timer, and temperature window....
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Using the MAX8844 lithium ion charger IC released by Maxim Semiconductors you can design an very simple and efficiency charger circuit for charging a single cell lithium-ion battery. The MAX8844 lithium ion charger integrate a current-sense circuit, MOSFET....
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The DC input for this charger ic operates from 4. 15V to 16V with up to 20V protection, while the USB input has a range of 4. 1V to 6. 3V with up to 8V protection. ..
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Using the LTC4060 integrated circuit, can be designed a very simple smart NiMH battery charger electronic project. This electronic charger circuit project is a complete fast charging system for NiMH or NiCd batteries. This NiMH battery charger circuit....
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As you can see in circuit diagram, this portable solar charger circuit, is based on a LM358N operational amplifier and one transistor. This regulator provide a constant 2. 4 volts DC and can be used for powering small devices that needs to be powered from....
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This micropower multifunction power management integrated circuit (PMIC) is designed using LTC3554 manufactured by Linear Technology Corporation and is a solution for portable Li-Ion Polymer battery-based applications. This micropower multifunction power....
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A simple Solar powered battery charger, photovoltaic charger circuit can be designed using LTC4071 Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect. When VCC reaches the programmed float voltage (4. 1V with ADJ floating) then the....
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This UC3906 battery charger circuit controller contains all of the necessary circuitry to control the charge and hold cycle for sealed lead-acid batteries. The UC3906 battery charger circuit is specifically designed to provide the proper charging voltage and....
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A very simple supercapacitor charger electronic project can be designed using the LTC3625 IC designed by Linear technology to charge two supercapacitors in series to a fixed output voltage (4. 8V/5. 3V or 4V/4. 5V selectable) from a 2. 7V to 5. 5V input....
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12 Volts Lead Acid Battery Charger Circuit Except for use as a normal Batter Charger, this circuit is perfect to ‘constant-charge a 12-Volt Lea....
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L200 12V Constant Voltage Battery Charger Circuit This battery charger is based on L200 regulator IC. L200 is a five pin adjustable voltage and....
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Ni-Cd Ni-MH Adjustable Constant Current Battery Charger Circuit This is a Adjustable Constant Current Ni-MH or Ni-Cd battery charger circuit. It....
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This automotive battery charger project is designed to charge 12V electrolyte lead acid batteries. ....
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The circuit was meant to be powered by a power supply, which is why there is no transformer, rectifier, or filter capacitors on the schematic. There is no reason why you cannot add these. To use the circuit, hook it up to a power supply/plug it in. Then,....
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As per manufacturer s data sheets, a 12V rechargeable lead-acid battery should be operated within 10.1V and 13.8V. When the battery charges higher than 13 ..
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The portable batteries charger has been designed to provide an opportunity to load NiCd batteries even in the outdoors from a 12 V battery of a vehicle. Wh....
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This circuit delivers an initial voltage of 2.5V per cell to rapidly charge a car battery. The charging current decreases as the battery charges and when t....
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Modern acid batteries and lead plates, are embodiment of simplicity in use. Unlike NiCd batteries, they must be recharged by connecting to a constant volta....
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Here is an ideal mobile charger using 1.5 volt pen cells to charge mobile phone while traveling. It can replenish cell phone battery three or four times in....
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Here is a solar charger circuit that is used to charge Lead Acid or Ni-Cd batteries using the solar energy power. The circuit harvests solar energy to char....
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This add on circuit can be attached to the solar charger to see whether the battery is charging or not. It lights a Red LED to indicate that the battery is....