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  • automobile battery charger circuit

    2016-05-11 23:08:5085

    There is a automobile battery charger of adjustable type.The charging voltage between 6V and 50V is adjustable,and the maximum charge current can reach...

  • Battery Low Voltage Beeper (LMC555)

    2016-05-11 23:06:4668

    This article describes the Battery Low Voltage Beeper (LMC555). The principle is very simple, very practical. The circuit components can help you under...

  • Replacing_a_9_V_battery_with_two_AA_cells

    2016-05-11 23:05:4166

    Figure 8-75 shows an LT1120 linear regulator used with a 9-V battery to provide a 5-V, 30-mA output. Figure 8-76 shows an LT1173-5 switching regulator ...

  • Prolong Your Battery Life using MOSFETs in the Battery Backu

    2016-05-11 22:57:4069

    Battery backup and battery charging are two modes ofbattery backup circuits. The circuit below shown a simple battery backup circuit using low treshold...

  • Will Virus-built Battery Kick-off Li-Ion Battery and Bring I

    2016-05-11 22:56:2664

    After many years of the research, the MIT researchers have finally built a new battery type, which is known as Virus-built battery. Virus-built battery...

  • Variable Voltage Output from 12V Battery Source

    2016-05-11 22:50:1666

    Figure 1 The circuit was designed to provide a variety of voltages to some electronic equipment with the use of a 12V battery as the power source. 74HC...

  • The battery, starter and engine circuit of Passat 2.81V

    2016-05-11 22:48:0562

    The battery, starter and engine circuit of Passat 2.81V is shown as above.A-battery B-starter C-generator C1-voltage regulator of the generator J207- t...

  • Lead-acid-battery-charger

    2016-05-11 22:34:30186

    This circuit furnishes an initial voltage of 2.5 V per cell at 25?° C to rapidly charge a battery. The charging current decreases as the battery charg...

  • 12V Battery checker circuit

    2016-05-11 22:24:3468

    This is a 12V battery checker circuit that uses 3 LEDs that light up at their respective voltages. The red LED lights up when the battery voltage is be...

  • USB Battery Charger Components and Circuit using LTC4053

    2016-05-11 22:23:4367

    The schematic herein shows a minimum component solution to the USB battery charger using LTC4053 IC to achieve a fully compliant USB charger. This IC i...

  • Ni-Cd battery charge circuit consist of CD4040

    2016-05-11 22:17:5163

    CD4040 counter chipformed the cadmium nickel battery charger as show in the picture. It can chargefor four quarter of cadmium nickel battery whoes capa...

  • Battery Backup Circuit

    2016-05-11 22:17:0664

    This Battery backup circuit can be added to surveillance systems like alarms to power the circuit during Mains failure. The battery backup will immedia...

  • Process of TWL2213 lithium ion battery charging

    2016-05-11 22:10:4563

    Arousal of Li-ion batteries:Pre-charge circuit:Fast charge and termination:Temperature monitoring:TWL2213 is monitoring the temperature of lithium ion ...

  • Battery thermocouple protection circuit

    2016-05-11 22:05:5465

    K-type thermocouple is placed in insulation terminal block and the ambient temperature of the thermocouple is continuously controlled by 1N914 diode. D...

  • Cadmium nickel battery charging circuit

    2016-05-11 22:04:1363

    In this circuit, R1 is the 10Ω resistance, R2 is the 200Ω resistance. When the switch closes up, the charging current is 60mA (constant-current); whe...

  • Receiver Battery Low Voltage Alarm

    2016-05-11 21:59:2361

    Here is another equally cool low voltage alarm circuit for your glider receiver battery that I've shamelessly stolen from George Steiner's book A to Z-...

  • Rf-Type Battery Charger Circuit

    2016-05-11 21:58:2163

    This type of charger couples RF from L2 to an external pickup coil. The pickup coil connects to a rectifier and battery to be charged. This idea is han...

  • 12V Battery Checker Circuits

    2016-05-11 21:45:1974

    This is a 12V battery checker circuit that uses 3 LEDs that light up at their respective voltages. The red LED lights up when the battery voltage is be...

  • Small Emergency Light Circuit With Battery Protection

    2016-05-11 21:39:5963

    When the battery's output voltage is normal, the dw is punctured, vt is connected and also the relay is connected. The high beam or low beam light can ...

  • LOW_BATTERY_PROTECTOR

    2016-05-11 21:39:0968

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

  • Battery charger circuit using SCR.

    2016-05-11 21:37:2881

     Description. 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 c...

  • Low_cost_supervisory_circuit_with_battery_backup

    2016-05-11 21:34:1465

    Figures 1-30 and 1-31 show a typical application circuit and pin configurations, respectively, for the MAX703/MAX704. The ICs are similar to that descr...

  • The practical simple battery automatic charger circuit

    2016-05-11 21:23:2871

    The circuit principle of the charger is as shown in figure 4-18. The 220V AC city electricity is transformed, rectified and filted by this circuit to o...

  • Li Ion Battery charger

    2016-05-11 21:11:47245

    Li Ion Battery charger schematic diagram The schematic diagram come from circuit: Charger for Li-ion battery based LP2951 power supply. Go to that page...

  • Lead-Acid Low-Battery Detector with System Shutdown

    2016-05-11 20:57:4289

    View Full Size Image View Original Datasheet Resistor dividers are used to provide a signal comparison against a reference voltage. The opamps operate ...

  • Cell Phone Charger Using 1.5V Battery Circuit

    2016-05-11 20:56:3780

    For the cell phone to charge, charger output must be above 4V and can deliver a maximum current of 500mA. This charger circuit will step up the voltage...

  • TWH9312 sealed lead-acid battery charger circuit

    2016-05-11 20:55:0566

    The charger circuit of sealed lead-acid battery is shown as follows.It can charge one or two batteries whose value are 6V or 4Ah for one time. The part...

  • Car battery charger

    2016-05-11 20:53:5078

    Description. Given below, is a very simple circuit that can be used for charging car batteries. In this circuit there is facility for monitoring the ch...

  • 24V to 36V Battery Charger

    2016-05-11 20:37:0570

    This 24V to 36V linear battery charger is long overdue. While this is an old circuit technique, it is optimized for charging higher voltage lead-acid b...

  • 9V *and* -9V from one battery CIRCUIT (MAX1044)

    2016-05-11 20:30:3364

    This article describes the 9 V * and *-9V from one battery CIRCUIT (MAX1044). The principle is very simple, very practical. The circuit components can ...

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