ORDERING INFORMATION. See general marking information in the device marking section on page 11 of this data sheet. DEVICE MARKING INFORMATION. 1. A Switching Voltage Regulators are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for A Switching Voltage. DESCRIPTION. The MCA series is a monolithic control circuit delivering the main functions for DC-DC voltage converting. ORDERING INFORMATION.

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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. But i’d like it to be as versatile as the Windows based program panel. 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.

34063, 340635, 34063A

Then it slowly adjusts PWM to keep battery voltage at the correct regulation and also limit current during the initial bulk charge to 1. Personally I would prefer that to any RF comms as it will be higher datarate, simpler and probabl more reliable. Hmm, if you want to use bluetooth for data interfacing to the tablet there are lots of cheap bluetooth modules on ebay, just watch out as some are just the “module” but need a carrier PCB which means you need to make a PCB, some are a fraction more expensive but have the carrier PCB included togther with the module.

Hi MrRB, Oh yeah pretty nice!

34063A Datasheet

Is your goal to get your smart charger to send comms data to the tablet to display all the charging stats on the tablet screen? Hi MrRB, That’s one goal yes, with the overall goal being able to monitor just about any process, and to start with to use the Tablet as a general purpose test bed for other plug in test equipment starting with a four channel volt meter.


The datashet above was adapted to now become a high efficiency smart charger for a 6v battery. What other interfacing options does the tablet have? Just an update for MrAl, re an earlier conversation where I was going to build a 6v 10Ah sealed lead acid battery charger for a robot project. Also, it has to be be able to put out 1 amp in voltage regulation all the way up to 2 amps datsaheet with no sign of going into non voltage regulation mode.

It’s basically discontinuous, or very close to it, and quite erratic looking. To participate you need to register. So could you do a quick scope shot of this thing in voltage regulation? I take it you can write tablet apps like a program to display the voltages?

Oh ok, they also include home made boot strap drivers, which is a nice change.

What it also does not have is Bluetooth, but since it uses the more current op sys the op sys supports Bluetooth. Media New media New comments Search media. Let me elaborate just a little.

That allows easy testing of battery cells of just about any type very versatile set up capabilities which allows testing of four cells simultaneously.

Energy conversion efficiency is very high due mainly to the choice of external components used with the cheap SMPS IC. Replacement Transformer Started by ncag Today at 7: Im going to be looking into this more and finally i’ll be building up the circuit.

I started a new thread about this subject a few days ago: I think i can wing it with the parts i have, especially once i read that line from fernando which might help too cause i have so many N channel devices on hand. What i’d like to do is use the Android Tablet the same way, even if it means creating new software for the Android environment rather than Windows.


You might be able to get similar specs dstasheet something convenient like a TO pack datashdet since it doesn’t need heatsinking you could use any package really. Hi MrAL, sorry I don’t have any tablet experience at all, not owning one. I’ll have to dig out my parts and build up a breadboard too next. Forums New posts Search forums. The external PFET allows currents up to a few amps at good efficiency, however I have used hard current dataasheet at 1.

But you may want to go with Bluetooth if you are interested. Hi MrRB, Well, i am aware of how a peak current limit works in regulators but that’s not really the kind of regulation i would need for this project. So with the parts values I chose it was peaking on the current limit and in sync with the inductor ripple and the internal oscillator.

A (ESTEK) PDF技术资料下载 A 供应信息 IC Datasheet 数据表 (2/7 页)

Oh ok, that’s an app note about gate drivers I thought it was an app note that pertained directly to that chip. The program board i have does it that way too to regulate the 12v program pulse amplitude. Click here to register now.

The other regulation occurs from the current limit sense resistor. This actually reduces the length of datashert on period. Articles Top Articles Search resources.

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?