DNA 200 Watt

[Visus]

Speaking of charging breakthru's:

The really neat addendum to the DNA200, it has to have the smallest series charger in the world and that there is something awesome.. You can look all over and not find a series charger anywhere near that size let alone charging 3s.. They hit a homerun there too.. Yihi's series charger is only 2s and its almost the same size as the dna200 their charger was also a an amazing breakthru but this is whoa a whole nother' level of microelectronics..
Can't wait to see the board scoped..

 

[Mooch]

Speaking of charging breakthru's:

The really neat addendum to the DNA200, it has to have the smallest series charger in the world and that there is something awesome.. You can look all over and not find a series charger anywhere near that size let alone charging 3s.. They hit a homerun there too.. Yihi's series charger is only 2s and its almost the same size as the dna200 their charger was also a an amazing breakthru but this is whoa a whole nother' level of microelectronics..
Can't wait to see the board scoped..

I'd be happy with just some close-up pictures of both sides of the board!

 

[retird]

I'd be happy with just some close-up pictures of both sides of the board!

Ya probably saw this already....kinda blurred.... (still beta so pic is beta) (must be verified member to see link)

https://www.e-cigarette-forum.com/forum/threads/evolv-round-7.680259/page-11#post-15969426

Copy image/paste:

 

[Mooch]

Ya probably saw this already....kinda blurred.... (still beta so pic is beta)

https://www.e-cigarette-forum.com/forum/threads/evolv-round-7.680259/page-11#post-15969426

Yea, saw that...but thanks!
Hoping to be able to read some chip numbers off someone's pics. Or, have someone post what they can read off them. Almost sure that won't occur until after the release though.

 

[Spirometry]

There is a pic in the co-op showing the Ti analog front end

 

[USMCotaku]

This is one of the reasons I bought a SX Mini M. The chip isn't bad but I don't like the mod. I ordered a Boxer mod with a SX350j and have the SXM for sale in the classifieds.

If only I had the cash

 

[Mooch]

There is a pic in the co-op showing the Ti analog front end

Thank you, I totally missed that picture. Only saw the other lower-res ones. They're using the bq76925 AFE chip to help handle cell safety. I've used that chip! It's a fantastic choice.

For those who don't know what an analog front end (AFE) chip does...
- It makes the job of measuring cell voltages, current, and temperature by a microntroller much easier.
- It has on board cell balancing capability under the control of the, IIRC, Atmel microcontroller used by the DNA200.
- Can be run directly from the 3S LiPo pack and provide 3.3V to run the rest of the circuitry, e.g., the microcontroller.
- Can wake up the microcontroller when current starts to flow so the microcontroller can be sleeping otherwise. This reduces the current drawn from the battery pack when not firing. Or, this feature can be usec to trigger an alert if current exceeds a certain value.
- If the microcontroller is programmed for it, the AFE makes it easy to detect a cell that is failing or can no longer be balanced properly due to damage or aging.
- All actions are handled by the microcontroller though. Its firmware determines what is to be done with the information it gets, including shutting down for low voltage, when and how to balance, etc.

 

[drmarble]

Thank you, I totally missed that picture. Only saw the other lower-res ones. They're using the bq76925 AFE chip to help handle cell safety. I've used that chip! It's a fantastic choice.

For those who don't know what an analog front end (AFE) chip does...
- It makes the job of measuring cell voltages, current, and temperature by a microntroller much easier.
- It has on board cell balancing capability under the control of the, IIRC, Atmel microcontroller used by the DNA200.
- Can be run directly from the 3S LiPo pack and provide 3.3V to run the rest of the circuitry, e.g., the microcontroller.
- Can wake up the microcontroller when current starts to flow so the microcontroller can be sleeping otherwise. This reduces the current drawn from the battery pack when not firing. Or, this feature can be usec to trigger an alert if current exceeds a certain value.
- If the microcontroller is programmed for it, the AFE makes it easy to detect a cell that is failing or can no longer be balanced properly due to damage or aging.
- All actions are handled by the microcontroller though. Its firmware determines what is to be done with the information it gets, including shutting down for low voltage, when and how to balance, etc.

That would explain how they are able to use LiPo and LiFePo batteries. They also allow you to set minimum cut-off voltages. They seem to be making good use of this charging chip.
I wonder if that second inductor is used to step up the 5.0 usb voltage for charging. They only had one inductor on the previous generations of boards.

 

[Mooch]

That would explain how they are able to use LiPo and LiFePo batteries. They also allow you to set minimum cut-off voltages. They seem to be making good use of this charging chip.
I wonder if that second inductor is used to step up the 5.0 usb voltage for charging. They only had one inductor on the previous generations of boards.

I was thinking that too. But that's a huge, high current inductor. They only need a 1A-rated inductor, at the most and that would be tiny in comparison. I couldn't spot one with a quick check but it could look very much like a capacitor at that low current spec.

A buck-boost circuit uses two inductors though.

Hmm...IIRC, the minimum input voltage was 7.4V. I don't remember the output voltage range spec though. If this board outputs more than 7V or so then I think that second inductor is for buck-boost. If it only outputs up to less than 7V then I have no idea what it's for.

[edit] @suspectK and @USMCotaku, thank you. I remembered wrong, min input is 9V. I think that second inductor is part of a second parallel converter circuit to reduce component size and heating versus one large converter.

 

[suspectK]

Minimum input is 9 Volts, max output 9 Volts.

 

[LiveLongAndV'ape]

EVOLV DNA200

 

[USMCotaku]

Since the absolute lowest you would be able to take a lipo is around 3.2v per cell....it seems this board doesn't boost, only bucks if the max voltage output is 9 volts.... No need to boost if the max output is lower then the lowest output the batteries can give
Sent with one hand, the other is busy vaping.

 

[Mad Scientist]

EVOLV DNA200

That does it; I'm ordering one. Only 80 bucks plus the cost of a 3S pack to try it out is too much for my willpower not to lol.

 

[Rossum]

That does it; I'm ordering one. Only 80 bucks plus the cost of a 3S pack to try it out is too much for my willpower not to lol.

Bah, who needs a 3S pack? Don't you have a spare 12V car, motorcyle, or ATV battery around somewhere?

 

[Pdizzle]

Emailed avid vapor to get a shipping quote to Canada to see if its as ridiculous as protovapor. 26$ from protovapor lol oh but when you inquire with them they give you a coupon code for 50% off international shipping. No thanks

 

[dr g]

Emailed avid vapor to get a shipping quote to Canada to see if its as ridiculous as protovapor. 26$ from protovapor lol oh but when you inquire with them they give you a coupon code for 50% off international shipping. No thanks

How much do you think it should cost?

 

[retird]

Information:

Another software feature (General Tab) with the DNA200 we haven't mentioned (remember.. still beta... subject to change) is what I would call "Profiles" (actual names still to be decided). A number of them can be set up in the software and uploaded to the device. Changes can be made in the software and in the device.

Example of a possible profile:
Switching tanks from one to another.
You could set up a "Profile" for each tank and as you switch just select the appropriate "profile".

What to include in the profile? You decide.

Want to select coil material? Want to set the TCR (custom) ? Want to set the temp and wattage ? Want to set the preheat level, punch, duration? Want to lock the ohms?

Again preface this info as beta in nature.... (this explanation may not be as precise and as detailed as someone else may say but is just the best effort offered at this time....)

Quick one set up:

Coil Material: Nickel 200
Preheat Power: 75 watts
Preheat Punch: slider set to 5
Preheat Time Limit: 1 second
Power: 20 watts
Temperature Setting: 430F
Ohm’s Lock: not set
Profile Theme (name): Atlantis OCC
Custom Screen: default (no screen desired)

 

[USMCotaku]

Information:

Another software feature (General Tab) with the DNA200 we haven't mentioned (remember.. still beta... subject to change) is what I would call "Profiles" (actual names still to be decided). A number of them can be set up in the software and uploaded to the device. Changes can be made in the software and in the device.

Example of a possible profile:
Switching tanks from one to another.
You could set up a "Profile" for each tank and as you switch just select the appropriate "profile".

What to include in the profile? You decide.

Want to select coil material? Want to set the TCR (custom) ? Want to set the temp and wattage ? Want to set the preheat level, punch, duration? Want to lock the ohms?

Again preface this info as beta in nature.... (this explanation may not be as precise and as detailed as someone else may say but is just the best effort offered at this time....)

Quick one set up:

Coil Material: Nickel 200
Preheat Power: 75 watts
Preheat Punch: slider set to 5
Preheat Time Limit: 1 second
Power: 20 watts
Temperature Setting: 430F
Ohm’s Lock: not set
Profile Theme (name): Atlantis OCC
Custom Screen: default (no screen desired)

Heh.... That may be better then just having a titanium mode..... Did I read correct that you can switch between presets using the mod sans computer once created? How many presets can be stored?

 

[Pdizzle]

How much do you think it should cost?

Well evolv does it for under 5$ so not much more then that no?

10$ from avid vapor. More reasonable than 26$

 

[dr g]

Well evolv does it for under 5$ so not much more then that no?

That's less than it costs to ship. Have you checked what the prices are?

10$ from avid vapor. More reasonable than 26$

Are you comparing the same level of service?