Kingston USB Stick with PS2251-13-Q

[outbreak198x]

Hello,

i got this USB Stick from a customer, with just broken USB connection, all pads are there, new USB connector set perfect.

and it still does not work.

there are 2x emmc connected to PS2251 - so i would say, i can't read them through reader.

V1 and V2 is 1,8 and 3,45V - looks legit to me

any idea what else could be damaged? - maybe when connector broke there was a short? thermal camera tells me controller starts up, emmcs are getting voltage - everything in normal temp area 35-45 degrees.

Attachments

[fzabkar]

Be careful. Not all USB 3.0 connectors have the same pinout.

https://forum.hddguru.com/viewtopic.php?f=10&t=36891&p=260036#p260036

Also, is R02 (zero-ohm link) grounded?

[outbreak198x]

Hello,

thx - yes both Zero ohms are grounded.

i first tried of course with original Connector, and behaviour is exactly the same. it goes to 0,07-0,1A - when i try to read ID via PC3k Portable - it goes up to 0,15A and just show me some Kingston info in ID field - but no serial/size and so on.

[Lardman]

A quick google shows it to be a problematic combo. Think I'd start by either breaking the voltage to the emmc or pulling the chips to prove the controller.

[Amarbir[CDR-Labs]]

Hi,
PS CPU with EMMC ,Is it original Kingston ?

[SWM]

Phison_MPALL_v5.13.0C - GetInfo.exe.

[Gregory]

Hi,
PS CPU with EMMC ,Is it original Kingston ?

Yes this PS2251-13-Q is used in secure / encrypted USB Flash drive with EMMC chips.
Here more info: https://www.cl.cam.ac.uk/~sps32/HWIO_IRONKEY.pdf

[melvin]

Case has been solved. Problem with soldering of those chips. And it was encrypted by Datatraveler Vault.

[Amarbir[CDR-Labs]]

Case has been solved. Problem with soldering of those chips. And it was encrypted by Datatraveler Vault.

Melvin Sir ,
You Did This Case Finally ? .What tool did you use for this brother .

[melvin]

You Did This Case Finally?

yes

What tool did you use for this

Hotair + microscope + flux + tin + tweezers + soldering iron + Windows + DMDE

[Amarbir[CDR-Labs]]

You Did This Case Finally?

yes

What tool did you use for this

Hotair + microscope + flux + tin + tweezers + soldering iron + Windows + DMDE

Well,
i was referring to fe,vnr or flash .In this case none were used thanks for info

[outbreak198x]

yep - Melvin helped out due holiday