Otto`s replication of Steven Mark`s TPU

[ronotte]

Hi Stefan,

T H A N K

Roberto

[MeggerMan]

Hi Otto and Roberto,
I will start the work on a mosfet driver PCB.
This will go between the signal/function generator and mosfets.
I will include a lot of bypass capacitors to enable the mosfet to be fully driven.

PCB Board size will be 4" x 3" and split into 3 sections for the 3 mosfet drivers.
I will use double side PCB and have one side for the ground plane.
Have you any preference of mosfet driver?
[edited]I have a load of UCC37324 drivers (10 off) to experiment with.
These are 4A, rise/fall of 20ns/15ns typical.
As long as you stick to an 8 Pin DIL with industry standard pinout we can interchange the driver ICs.
I can parallel up the inputs/outputs to reduce the rise/fall times slightly.

Terminals:

Inputs: (6 terminals)
3 x freq. feed
6V +ve (driver supply)
0 to 12V +ve (coil/mosfet power)
GND

Outputs: (5 terminals)
3 x mosfet gates
0 to 12V +ve (coil/mosfet power)
GND

Attached is an example of the circuit I did for the MEG.

Regards
Rob

[ronotte]

Hi Rob,

I'd like to check it before you start. Please be so kind to send me the UCC3724 datasheet as I don't find it !!! (or a link at).
Again if you want I'll check circuitry also, just send it me. Of course I'm interested also for myself as I'm using a breadboard version. Remember that the power MOSFETS must be put near the outer ring (for example).

Many thanks

Roberto

[otto]

Hello all,

@Rob

IRF 840 not BUZ11. I tried the BUZ 11. NOT GOOD!!!

Otto

[MeggerMan]

Hi Roberto,
Typo in post, should be UCC37324.
Here is the link:
Texas Instruments
http://focus.ti.com/lit/ds/symlink/ucc37324.pdf

Hi Otto,
Yes I know, circuit shown is not the driver board, its is an example of the driver IC being used.
I will be creating a new board for this project.

Regards
Rob