34063A DATASHEET PDF

That would be nice to see too and i could compare with my notes. BTW, when you look at the output waveshape for a while do you see any quick jumps once in a while? Saves a voltage regulator i guess As you recall my original question was for a regulator for use with a Tablet computer, well on a related note, have you tried interfacing with a Tablet computer yet? The reason i bring this up in this thread is because im doing all this for a Tablet computer anyway, and also that if you aa used one for your test equipment you may be interested in looking into that.

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The other regulation occurs from the current limit sense resistor. The fig13 example should be workable fine for the PFET, it just a to be inverted and then driven from the junction between the two resistors. Since the efficiency is 93 percent at 1 amp out this should work nicely.

Let me know what you think about this if you can. These are stacked so to get battery voltage it reads the current then subtracts that reading from the voltage to give true battery voltage. I was wondering if you might have some notes on this or if not if you would be interested. The charger automatically selects between 7. That would be nice to see too and i could compare with my notes.

The Tablet load could be represented by a load that changes in value like a lower to higher resistance and then back again depending on mode of operation either strictly running the device or adtasheet running and charging or just datassheet, and if charging what state the battery is in.

That would be very cool, especially if it was just the one USB lead. Please note that when i started that thread i thought the BASIC language would somehow handle an RS connection, but apparently it doesnt as i have now read.

All the simulations always show at least some deviation from the normal ripple. To Fernando; thanks for pointing out the TI appnote on gat edriving, I downloaded a copy.

What it also does not have is Bluetooth, but since it uses the more current op sys the op datahseet supports Bluetooth. Potentiometer Questions Started by norbss Yesterday at The small Tablet computers make an exceptionally nice base for a number of different pieces of test equipment, a multi channel volt meter just one example. The circuit for this buck converter is nothing original, basically it is the circuit from the IC datasheet, and all I did was to use an external PFET instead of the external PNP transistor shown in the datasheet.

Welcome to our site! The reason i bring this up in this thread is because im doing all this for a Tablet computer anyway, and also that if you havent used one for your test equipment you may be interested in looking into that. By continuing to use this site, you are consenting to our use of cookies. You must log in or register to reply here. It doesnt have that built in and im not sure if it ever will. BTW, when you look at the output waveshape for a while do you see any quick jumps once in a while?

But what it doesnt do is read RS Also, it has to be be able to put out 1 amp in voltage regulation all the way up to 2 amps ideally with no sign of going into non voltage regulation mode. This language allows quick changes right on the Android Tablet so i can set up different things quite easily. Found some P channel devices, price range 1. But google Mosfet turnoff circuits. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at The board above was adapted to now become a high efficiency smart charger for a 6v battery.

So could you do a quick scope shot of this thing in voltage regulation? With efficiency a that it looks well worth looking into for this kind of project. I added a brass angle shim and large sloder blob to cool the PFET which now never gets much warmer than body temp. Let me elaborate just a little.

What other interfacing options does the tablet have? It seems hard to get an external Bluetooth device to work too, so im looking for other ways. I was looking for about 1 amp nominal output current with up to 2 amp capability. Media New media New comments Search media. Articles Top Articles Search resources. Energy conversion efficiency is very high due mainly to the choice of external components used with the cheap SMPS IC.

To get this effect you need the current limit set to about 1. Related Posts.

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34063A DATASHEET PDF

Kajikus This language allows quick changes right on the Android Tablet so i can set up different things quite easily. Datasheets, Manuals or Parts. BTW, when you look at the output waveshape for a while do you see any quick jumps once in a while? For a better experience, please enable JavaScript in your browser before proceeding. It doesnt have that built in and im not sure if it ever will. The circuit for this buck converter is nothing original, basically it is the circuit from the IC datasheet, and all I did was to use an external PFET instead of the external PNP transistor shown in the adtasheet.

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MC34063A: Buck / Boost / Inverting Regulator, Switching, 1.5 A

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