Regulated CV/CC LED Driver Circuit Board for Cree MC-E/SSC P7 Emitters (8.4V Max Input)

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Regulated CV/CC LED Driver Circuit Board for Cree MC-E/SSC P7 Emitters (8.4V Max Input)
- Manufacturered specifically for Cree MC-E and Seoul Semiconductors SSC P7 high powered LED emitters
- Designed to work ideally with 2 x 18650 battery configuration (8.4V max)
- 2800mA regulated current output
- 85% manufacturer rated circuit efficiency
- 25mm diameter, 7mm height
Dimensions: 0.98 in x 0.98 in x 0.28 in
Weight: 0.14 oz

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Average Customer Review (10 customer reviews) 4

100% of customers would recommend this product to a friend (10 out of 10)

  • 5 star: 4 (0%)
  • 4 star: 6 (0%)
  • 3 star: 0 (0%)
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  • Works well

    posted by nevik on 00:45:23 G10T 16/10/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Good efficiency. I measured 81-83% over an input voltage range of 6-8.4V.
    Measured output current is virtually constant at 2.35A over the 6-8.4V input voltage range.

    Cons: No markings to indicate the input voltage polarity connections.
    Inductor is bulky and oddly positioned.

    Other: Cheap current source that has good efficiency and has the potential for further simple mods to increase its usefulness.

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  • does the job...for now

    posted by zrinscak on 11:27:13 G5T 10/05/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: -good driver for a SSC P7 led emitter
    -variable input voltage (up to 8.4 volts), meets most of the needs for DIY projects with SSC P7 or MCE emitters

    Cons: -current measured at tailcap is around 1.2 amps at fully charged trustfire 18650s, which means that the current delivered to the emitter is around 2.4 amps, and that is below value stated in the product description

    Other: Good value for the money.. For now

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  • Good driver for the price

    posted by Mattaus on 20:14:22 G5T 05/05/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: - Pre-wired
    - easy to re-wire
    - good build quality
    - can be modified to work up to 16V input
    - easily drives 3 XM-L T6's in series

    Cons: - Not 2.8A as many have already said here
    - Changing that capacitor over is difficult
    - the inductor on the board makes it take up more space than other drivers of the same type.
    - It makes a high pitched humming noise when running. In a decent case/flash light you probably won't be able to hear it, but it's there noe the less.
    - no modes

    Other: Good driver for the price, no modes would suit some people. The humming noise is kind of off putting though.
    Still - recommened!

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  • Good, but...

    posted by sigrm on 13:37:57 G3T 24/03/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: It does most of what its suposed to. I bought it together with an SSC P7, which it is "designed" to work good with. Together with the P7 this provided powerful light, but it could have provided even more.

    Cons: I measured the output to be 2400mA, not 2800. When i connected it to the SSC P7, i got a reading of only 1,3A...
    Together with 3V, this gave a power of only 3,9W.
    This is less than half of the 10W claimed potential of the P7 (from SSC online data sheet).
    It also makes an annoying, high frequent sound when it is in use.
    Contains no information sheet or data sheet.

    Other: A good driver, i suppose, but not as good as i expected it to be, since it was made to work well with the P7. May very well be my own fault...

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  • Usefulness that everyone else has missed

    posted by royfellows on 13:02:04 G2T 26/02/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: This driver will power either a single or 2 serial wired Cree XM-L at 2.5 amps. This is the maximum safe level in my opinion, read the Cree data sheet re "Thermal Characteristics"
    2 serial wired XM-L T6 will output 1600 lumens at 2.5 amps, and this baby will do it.
    Soldering and build quality extremely good.

    Cons: Size matters as they say, and considering the electonics it could be a lot smaller. Its dimensions could present problems, and considering a lot of it is doing nothing, that is a real pain.

    Other: A very good and extremely useful driver.

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  • So glad I got this

    posted by inzane747 on 01:32:40 G12T 18/12/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: does what it says.... sorta

    Cons: 2.4A.... not 2.8 ? I took measurements on 2 different p7s and it was the same. actually fried the driver which came in my copper base p7 by accident (after seeing a similar 2400ma current reading) and used this to replace it. (dont slip while measuring current and give the driver ground :-/) no basic modes... I am one who wants just a 2 mode or 3 mode lo-med-hi driver for the p7 as high(even at 2.4A) is not always needed.

    Other: if you dont need modes this is for you!

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  • Universal constant-current

    posted by siberianbat on 03:51:36 G11T 01/11/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Simply schematics and simply adjustment. Can work up to 16V, but You must re-solder C1 capacitor (look main picture) to 10mF x 16V You can adjust the current with a resistor near to C1 (marked R10 = 0,1 Ohm on picture) to get more current set lower resistance, to set lower current - resolder this resistor with more Ohms))

    Cons: If You wish to get more current,- You MUST to resolder Schottky (D1) with true 3A Schottky diode.

    Other: Nice, well-priced, can be useful if you know how-to re-solder SMD)))

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  • Cheap enough

    posted by old4570 on 23:24:00 G1T 10/01/2010 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: So far so good , Im over driving this driver by using 3xAA carriers or 11.73v measured at rest . There is voltage sag under use , so that could be very good . Measured at the tail it draws a little over 1A in my 3D SSC P7 Maglite

    Cons: Larger voltage input range would be nice , but so far none really .

    Other: SO far so good , it didn't fry with my rechargeable's , time will tell if it lasts or not . Looks to be safe with dry cells , as they just cant deliver all that much power , and the output is virtually halved by using dry cell AA's . With .6A or less with sag current drain , I expect they will run over 1 hour in my light , depending on just how much energy is stored in the cells . With rechargeable AA's Im getting over 700Lumen from my maglite , just a matter of wait and see if the driver burns out or not . No buyer remorse here , Ive used other high voltage drivers from another HK dealer and they only lasted a few minutes before becoming faulty , so far this driver has outperformed the so called Super Driver by quite a margin . Ive got my fingers crossed for this one .

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  • Not full 2.8 amps, but excellent module

    posted by HouseofStrauss on 06:05:00 G8T 02/08/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: * Useful device and cheaper than building your own.
    * Samll size fits easily into projects as well as flashlights
    * low heat generation, although should be heat-sinked.
    * wide input voltage tolerance, makes it flexible in many designs

    Cons: Not a full 2.8 amp output from my module. I measured 2.33 Amps at 6.2 volts into a SSC P7

    Other: The lower 2.33 amp output is not an issue for me. I found that at 2.33 amp the SSC P7 worked perfectly with optimal brightness. In fact there was still considerable heat to dissipate and my guess is this would be problematic when used in a flashlight construction. My comment is 2.33 amps is an ideal efficiency setting, who ever drives with the foot to the floor all the time anyway! Great product... will use again

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  • Reasonable Preformance

    posted by budy500000 on 09:38:31 G4T 27/04/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: i did not notice a difference in brightness in my spider fire p7 when using this driver vs driving the flashlight threw a 2ohm resistor using a 8.4 volt rc car battery. the driver is more efficient than the resistors i was using. (the 20w resistor got very hot)

    Cons: driver does work as is but could be made better by the addition of a low value ceramic capacitor parell to the large electrolytic input and output caps i used a couple of 50v .01uf caps. adding the caps nearly eliminates the drivers hissing.
    the 2 diodes marked ss24 get to hot to touch after a while but it did not shutoff and the diodes are rated for 125degrees Celsius so i don't think they are going to fail. that said i plan on heat sinking them to be sure there will be no problems in the future

    Other: im happy with it. it is cheaper than i could have made it myself and the parts i used to modify it where extremely common and easy enough to find in old broken devices i had laying around
    never direct drive a led without some sort of current limiter weather it is a driver like this one or a resistor of the propper value.

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