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  • Battery charging protection circuit composed of the PTC comp

    2016-05-10 23:25:1365

    The PTC component and the over-voltage protection component harmonize to complete the following jobs: 1.Supply the current protection for the FET which...

  • Low-battery-protector-

    2016-05-10 23:24:1391

    To prevent battery damage due to over -disc barge, a low-voltage detector and switch should be included in the design of the battery backup circuit. Th...

  • Battery operated mini night lamp

    2016-05-10 23:11:0862

    Description. This is the circuit of a low power LED night lamp that will automatically switch OFF at day time. The CMOS timer IC TS555CN is wired as a ...

  • 12 Volt Battery charger

    2016-05-10 23:03:1080

    The following schematic is a high-performance battery charger for gelled electrolyte lead acid battery. Battery charger quickly recharges lead acid bat...

  • BATTERY_POWERED_FENCE_CHARGER

    2016-05-10 22:56:0467

    In essence, the circuit is nothing more than an auto ignition coil and a set of points which accomplishes the same thing. A pulsing circuit made from a...

  • 12V/24V lead-acid battery charging circuit

    2016-05-10 22:54:5879

    The LM339 simple lead-acid battery charging circuit is as shown in the figure, you can use two 24V lead-acid batteries as the power supply....

  • BATTERY_VOLTAGE_REGULATOR

    2016-05-10 22:54:5365

    Used in battery-powered instruments to compensate for wide range of battery voltages. Converter serves to provide required variety of operating voltage...

  • Ni-Cd battery charger circuit

    2016-05-10 22:52:0563

    Description. 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...

  • 12V battery level indicator circuit

    2016-05-10 22:39:1674

    This battery level indicator offers (5) LEDs that light up progressively as the voltage increases: Red: Power Connected (0%) Yellow: Greater than 10.5V...

  • 12V SCR Battery Charger

    2016-05-10 22:33:0673

    This battery charger circuit differs from the norm in a number of ways, all of which make it difficult to understand. For this reason, I do not recomme...

  • BATTERY_POWERED_GROUND_NOISE_PROBE

    2016-05-10 22:25:0363

    Oscilloscope measurements of ground noise can be unreliable because noise can enter your circuit via the scope's three-pronged power plug. You can avoi...

  • CAR_BATTERY_AND_ALTERNATOR_MONITOR

    2016-05-10 22:07:3065

    The monitor is a simple voltage comparator in which a car battery serves as the battery for op-eration. The input voltage to the comparator is set by a...

  • Nicad battery zapper

    2016-05-10 22:01:48100

    Nicad battery zapper circuit diagram The schematic diagram come from circuit: Nicad Battery Zapper power supply. Go to that page to read the explanatio...

  • BATTERY_BACKUP_POWER

    2016-05-10 21:50:5868

    Provides 60-Hz square-wave output for driving electronic timekeeping circuits from battery during AC power failure, 555 timer is connected as square-wa...

  • CD060 nickel-cadmium battery charger circuit of timing funct

    2016-05-10 21:49:4072

    This circuit is a timing charger,the charging time can be adjusted between 5h and 25h.If the power supply is cut during charging,this circuit can accum...

  • New type nickel-cadmium battery and battery charger

    2016-05-10 21:46:5166

    The principle of this circuit is shown in the following diagram. IC1, IC2, IC3 make up voltage comparator. IC4 is square wave pulse generator. The puls...

  • One 9 Volt Battery gives 18, 25, 34 (MAX1044)

    2016-05-10 21:41:3668

    This article describes the One 9 Volt Battery gives 18, 25, 34 (MAX1044). The content is very simple, very helpful. Components in this article can help...

  • Flashlight circuit supplyed by battery

    2016-05-10 21:34:5663

    This is a multivibrator circuit with same pulse duration time and interval time. The two transistors emitter of oscillatorare connected to the gate of ...

  • Batwatch-Solar panel battery charger

    2016-05-10 21:26:1361

    Batwatch is a simple monitor for a solar panel battery charger, using an Atmel ATtiny13V. It periodically measures the charge current and battery volta...

  • LITHIUM_MEMORY_BACKUP_BATTERY_REPLACEMENT

    2016-05-10 21:23:4562

    Physically very small high-capacitance capacitors are available for memory backup. Here, a 0.1-F (100,000μF) capacitor and two diodes replace the lith...

  • 12V Lead Acid Battery Desulphator(IRF9Z34)

    2016-05-10 20:53:58234

    This article describes a 12V Lead Acid Battery Desulphator (IRF9Z34). The principle is very simple, very practical. The circuit components can help you...

  • 60_hertz_nicad_battery_charger_with_voltage_sensing

    2016-05-10 20:52:5964

    60-hertz nicad battery charger with voltage sensing. Hex inverter is an MC789P (courtesy Motorola Semiconductor Products Inc.)....

  • How to build Car Battery 6V or 12V charger

    2016-05-10 20:51:4973

    Description Always we needed a charger with which we can charge the car battery. This circuit can charge automatically, fast and rightly, batteries 6V ...

  • Charger for Li-ion battery based LP2951

    2016-05-10 20:45:4164

    Stabilizer LP2951 manufactured by National Semiconductors. Element values are taken from the article “Charging”, written by Chester Simpson.Diode D...

  • 12Vdc mobile battery charger

    2016-05-10 20:34:3864

    12Vdc mobile battery charger circuit diagram can delivers up to 20 V output from the 12V car power supply, allowing a constant current charging to NiCa...

  • Discharger for Receiver Battery Packs (LM339)

    2016-05-10 20:25:2364

    This article describes the Discharger for Receiver Battery Packs (LM339). The content is very simple, very helpful. Diagram showing the principle is as...

  • Battery Status Indicator circuit

    2016-05-10 20:21:2172

    If anLED indicatoris present in battery powered gadgets such asEmergency lamps, it will consume power even if the gadget is not using. This will reduce...

  • LiFePO4 battery charger using LTM8062

    2016-05-10 20:12:45192

    Battery charger circuits Using the LTM8062 battery charger IC , designed by Linear Technology you can design a very simple LiFePO4 Lithium battery char...

  • Ni-Cd battery charge circuit composed of TB1004 charge contr

    2016-05-10 20:11:3066

    ...

  • Battery Indicator Circuit For The Caravan

    2016-05-10 19:52:0867

    This i-TRIXX circuit can prevent a whole lot of trouble for those of you who go on holiday in a caravan. It would be a significant damper on your holid...

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