[Sale] Buck drivers 20, 21, 22, 24, 30mm L6, MF01, MF02/04(S), TN40S/42, BLF GT, Acebeam X45/65

the driver Sale is in my TA driver Excel spreadsheet which contains also DD+7135 drivers and other stuff

Efficiency measure on my 12V MF02S driver

Let me give it a try as I modded today for someone else a MF02S

I am bad at making videos but I post it anyways

actually the PSU voltage meter uses calvin clamps so its reading on contact points on driver to compensate losses on the wires, even if they are 2.5mm²

Turbo (measure 3 times and used average later on video the clamp meter offset were off 70mA)
Input: 15,15V 5.4-5,44A
Output: 13,44-13,51V 5,70-5,74A
Efficiency: 94,4%

I also changed the calibration resistor to get to 6.09A later and did again 2 measurements
15,11V 5,8A
13,6V 6,09A
94,5%

fully charged VTC6 should give this voltage
16,17 5,37A
13,55V 6,04A
94,25%

2A
Input: 15,73V 1,766A
Output: 12,06V 2,12A
Efficiency: 95,5%

500mA switching frequency is over 1 MHz as output voltage low and input high
Input: 15,94V 415mA
Output: 11,2V 502mA
Efficiency: 85%

look also in my other driver topic for more Information

Niwalker Connections are special for the Aux buttons

The left row is for the aux buttons

V is 5V for Turbo and 10X for the switch
10X increases current by 10 max. is Turbo
T turbo even when electronic lock out or light off

M reduced the current by factor of 10
needs to be connected to (G) ground pad on 2. wire

right
G common Ground
L Switch LED MCU controlled
S Switch for UI ramping settings

interested

Interested

Interested. But I have no technical expertise in modding anything, not even a cucumber, much less a flashlight, will you offer your services, to those who need help?

I bet there is someone near you who can help with the driver change and battery carrier mod
I am from Germany so shipping costs would kill it

I’d be interested in a couple. Are you planning different options with it in respect to current and output voltages?

I will build those with 4 shunt pads

The standard BLF Buck from del has a 0.091 shunt
I will be using 3 0.33 and one 1 Ohm resistor —>0.091 Ohms
Of course it is possible to go to different values for different output currents

The inductor is rated 6A, so that’s a current that should be without any problems availiable

Hi! Sorry I am not expert in MOD but I would like to know what do you expect with this Driver in the Astrolux MF02? I am going to buy a MF02.
Thanks.

This driver has the awesome Firmware Narsil

Battery carrier needs 2 traces cut and one bridge soldered to go to 4S/1P
Driver will be same size as MF02, so basically solder wires from one driver to the other

Thanks. Do you need to change anything to go from 12 volt to 6 volt output?

Hi Lexel. I have not done my first mod yet but I am interested and this does not seem like it would be too complicated. Would you let me know what you think this might do for the MF02, how it might affect performance of the light? Thank you

I’m in. Put me down.

Not too complicated the Battery carrier and driver replacement
The LED will be driven as hard as in the BLF GT and you got a great Firmware with NarsilM, highly customable

you have to ask DEL if that’s possible its his driver circuit

If there will be so options I’ll be in for a few, I’d like to have one for my sbt-70 led if possible ?

This driver is for 12V LEDs, SBT-70 is a 3V one and wont work with the current it needs

XHP35, 50 and 70 will work well
for XHP50 and 70 a Star with the thermal pad not connecting the 2 LED pads over the thermal pad is mandatory
so for 12V reroute over a separate trace would be needed

Those Sinkpads are OK, MTN, Fasttech and LEDDNA sells em

This LED star will not work if the star is not insulated from the body

Interested +1

Interested :smiley:

Interested.

Interested

I think I can live with this

the question is if a 8.5mm high inductor fits the head or if I have to take a smaller one

P.S.
Design got improved
MF02 measured 8.3mm for parts height so the 7.5mm inductor will fit