- Joined
- Feb 12, 2016
- Messages
- 589
- Points
- 63
Hi guys,
Please stop arguing and let us talk some essential topics:
Brilliant:
You say your 18650 can give 8-10A. How many A did your ammeter show at full power? Do the batteries heat when on? Are they protected? If so, did you test the current where they shut off?
In LiPo batteries I do not think there is any protection built in. Then how to protect them from short circuit?
Giannis:
in this thread
I was testing several cheap drivers (pics in post 12) and found in the last post that the cheapest 250W rated driver can do better than 400W rated driver.
Yes, capacitors heat like crazy, so it would need a proper HS or one can use 2 drivers in parallel, but it seems to work not bad while 400W one shuts off after just a splash. Why is it so?
What about my future build: I would prefer to use 2 drivers for NUBM08. Each can drive 2 rows of NUBM31 from 24V battery and if R24 is removed, then you have TTL on/off switch working from 0.5V.
Please stop arguing and let us talk some essential topics:
Brilliant:
You say your 18650 can give 8-10A. How many A did your ammeter show at full power? Do the batteries heat when on? Are they protected? If so, did you test the current where they shut off?
In LiPo batteries I do not think there is any protection built in. Then how to protect them from short circuit?
Giannis:
in this thread
Driver for NUBM31 and for similar MDP chips sold on ebay/ali
PLease write your experience with this driver! Mine was very bad - capacitor E5 burned after 1 min of charge. I guessed from start that boosting from 12V to 85-100V, 3A was a very bad idea of driver design at all - now I have a confirmation. Likevii - what driver are you using for your set up...
laserpointerforums.com
Yes, capacitors heat like crazy, so it would need a proper HS or one can use 2 drivers in parallel, but it seems to work not bad while 400W one shuts off after just a splash. Why is it so?
What about my future build: I would prefer to use 2 drivers for NUBM08. Each can drive 2 rows of NUBM31 from 24V battery and if R24 is removed, then you have TTL on/off switch working from 0.5V.