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maxisvk
 Post subject: Sandisk broken
PostPosted: February 7th, 2022, 10:51 
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Joined: September 23rd, 2015, 9:25
Posts: 47
Location: Italy
hello
i have this sandisk X400 m.2 sata, SD8SN8U-256G-106 with broken chip, any advice which chip this is ?


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Lardman
 Post subject: Re: Sandisk broken
PostPosted: February 7th, 2022, 11:05 
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Joined: November 7th, 2020, 5:31
Posts: 1290
Location: United Kingdom
Grab a new one off a donor. Google suggests an LDO but you'll need someone with better electronics understanding.

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fzabkar
 Post subject: Re: Sandisk broken
PostPosted: February 7th, 2022, 15:32 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
IMHO, it's either an LDO regulator or a load switch, probably the latter. If you can confirm that it is indeed a load switch, and provided that the load side is not shorted to ground, then it should be possible to connect Vin to Vout with a jumper wire.

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fzabkar
 Post subject: Re: Sandisk broken
PostPosted: February 7th, 2022, 15:51 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
SiP32462DB-T2-GE1, Vishay Siliconix, 50 mOhm, Slew Rate Controlled Load Switch, Vin = 1.2V - 5.5V, 1.2A, marking AH, WCSP4:
https://www.vishay.com/docs/67754/sip32461.pdf

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fzabkar
 Post subject: Re: Sandisk broken
PostPosted: February 8th, 2022, 15:23 
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Joined: September 8th, 2009, 18:21
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Location: Australia
If Vout is shorted to ground, look for a shorted ceramic capacitor.

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