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Recent content by danidiesel

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    transistor and power source change over

    yeah its not 2n2222a , instead its BD139 NPN transistor ( med power ) problem is on getting a pulse in this arrangement circuit is not working
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    transistor and power source change over

    Battery is cut off by deep discharge protection circuit. Now to reset the system I need to short circuit the battery and charger positive terminals, on receiving a initial pulse from charger. On this pulse I need to make a path between charger and battery. have a look at my circuit plz tell...
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    Battery Deep discharge protection Cut Off Circuit

    Thanks alot :) I will try it today :) thanks ---------- Post added at 10:56 ---------- Previous post was at 10:52 ---------- Well yes there are some mistakes with the circuit. which is rectified by KAK, only one connector of the battery is connected to the relay. I am just trying to cut...
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    Battery Deep discharge protection Cut Off Circuit

    Dear All, I am actually designing a 24VDC Sealed Lead Battery Cut Off Circuit for a existing trickle charger which is directly powered from the main 240VAC. Aim is to drive to the relay : 1- when battery voltage is above 19V 2- When DC Main ( battery Charger is ON ) The circuit below uses...
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    OPAMP Voltage Shifter (10v-0v) to (0v to 10v )

    still i am confused, The mean time i was working on difference amplifier with gain=1 have a look at my circuit "][/URL]
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    Transistor as a switch

    when Input applied, transistor will be in saturation mode, current will take the easiest path to ground. when input is below 0.7 Vbe transistor is in Cutt off region, and it will take the path of the load.
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    Charging A Sealed Lead Acid Battery

    Have a look on this there is design application note as well on it. Battery Management - Battery Charge Management - UC3906 - TI.com Or you can have a look on Bq24450 IC as well its pretty good
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    OPAMP Voltage Shifter (10v-0v) to (0v to 10v )

    Actually I want to scale down a voltage input range of (0 to 10v) to output of (10v to 0v) I dont know is it possible with an inverting op amp any help will be appreciated. Thanks Bye

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