Desolder and solder IC with power pad under

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SUMMARY

The discussion centers on the need for a rework station to desolder and solder integrated circuits (ICs) with a thermal pad, often referred to as a power pad, located underneath. Participants recommend using a hot air rework station, specifically mentioning the X-Tronic brand, which costs approximately $130. The conversation clarifies that while the term "power pad" is commonly used, "thermal pad" is also accurate, as it facilitates heat dissipation when properly connected to a ground plane on the PCB. Users are encouraged to explore options on platforms like eBay for affordable rework stations.

PREREQUISITES
  • Understanding of integrated circuits (ICs) and their thermal management
  • Familiarity with hot air rework stations and their operation
  • Knowledge of PCB design principles, particularly regarding ground planes
  • Basic soldering skills and techniques
NEXT STEPS
  • Research the specifications and features of X-Tronic hot air rework stations
  • Learn about PCB design for thermal pads and ground planes
  • Explore tutorials on using hot air rework stations for IC soldering
  • Investigate alternative rework stations available on eBay and other platforms
USEFUL FOR

Electronics engineers, PCB designers, and technicians involved in soldering and reworking integrated circuits, particularly those focusing on thermal management solutions.

yungman
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Hi

I need to find a rework station to desolder and solder IC with power pad under the IC. What I mean is IC with a metal contact at the bottom that you solder onto the ground plane on the pcb for better heat conduction.

Thanks
 
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yungman said:
Hi

I need to find a rework station to desolder and solder IC with power pad under the IC. What I mean is IC with a metal contact at the bottom that you solder onto the ground plane on the pcb for better heat conduction.

Thanks
You would use a hot air rework/soldering gun with an appropriate-size nozzle. Have you used a hot air rework station before? BTW, I'm pretty sure you mean a ground pad under the part, not a power pad, correct? :smile:
 
Check Ebay. Here's one for $50USD. I've never used that one so I don't endorse it in any way. X-Tronic brand stations run about $130.

Are you in school? Schools have labs where I'm sure they'll let you use one.
 
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Thanks Berk, I fixed it.
 
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berkeman said:
I'm pretty sure you mean a ground pad under the part, not a power pad, correct?

It is called a power pad because it allows the device to dissipate more power safely. It is usually ground but can be isolated or something else.

BoB
 
Usually I see it called a thermal pad in data sheets. It's typically a ground connection but not always. They work really well for dissipating heat if you use a proper ground plane on the PCB. I've actually hand soldered thermal pads by putting a big via under it. If you design your PCB for it you don't ~have~ to use hot air or reflow.
 
PowerPad may be a copyrighted/trademarked term for that.

BoB
 

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