lenov g50-30 power problem

[hazim]

hi

lenovo g50-30 ACLU9-ACLU0NM-A311 MB

ther is a 3 fet short on mb
PQ 303 P-CH
PQ 311 N-CH
PQ 312 N-CH

AND ANOTHER ONE PQ 302 VERY HOT TCP8127 what's the equivalent for tcp8127 fet

finally charger ic BQ737 what's the equivalent if it fault ?

thanks

[mcplslg123]

TCP8127 is a P channel fet and you can replace it with 4407/4835/4409 or similar mosfets.
Bq737 you can replace with BQ727 or BQ07A

[hazim]

thank you so much i will replace

[hazim]

fault was in

pq 311 n
pq 312 n
pq 302 p

i replace all and laptop power up ok

thanks alot

[Chieftain]

Nice mate..

[classicandy]

Originally Posted by mcplslg123

TCP8127 is a P channel fet and you can replace it with 4407/4835/4409 or similar mosfets.
Bq737 you can replace with BQ727 or BQ07A

I know this post is kinda old.
Replacing BQ737 with BQ727 will make charging slow. BQ727 does not support Boost Charge (mode). HPA02224 is a better alternative.