Author Topic: 10 kW Induction Stove Teardown, Huge SMEG 5-Zone Stove  (Read 259 times)

Offline Mads Barnkob

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10 kW Induction Stove Teardown, Huge SMEG 5-Zone Stove
« on: October 18, 2020, 10:42:01 PM »
This is a teardown video of a 5 zone induction stove with a total power consumption of about 10 kW.

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The induction stove is built up on standard 2-zone modules that are likely used in their 1,2,3,4 and 5 zone models, so just mix and match to get the number of zones needed. For a single zone induction zone, a 2-zone PCB is used and only one of the power electronics sections are populated, all control electronics is still in place.





ATMEGA controllers are widely used throughout all the boards and they also maintain the network connection between the boards, presumably over CAN bus.



Two IXYS IXGR40N60 IGBTs in a TO247 package is used, 600V / 65A (200A Icm) for each zone and two zones share a GBJ2510 full bridge rectifier, 1000V / 25A.



Each zone is controlled by a NXP MC56F8322 controller that is a DSP / MCU hybrid with a wide range of I/O, busses and memory options to make it tailored for low cost implementations of many different parts, but few I/O count, applications.

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Offline Max

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Re: 10 kW Induction Stove Teardown, Huge SMEG 5-Zone Stove
« Reply #1 on: October 18, 2020, 11:57:02 PM »
WOW this thing uses actually EXACTLY the same power PCB as our Miele stove (bought somewhere around 2006/2007 I think. Here's a crappy picture I took when the thing failed a couple years ago and got a new board:


I wonder if they worked together, if there's a company making those and selling them to everyone, or what's the deal.
Edit: Just looked up the "EGO 75.470.439" printed on the sticker and sure enough, it seems to be a generic PCB used by multiple brands: https://duckduckgo.com/?t=ffab&q=EGO+75.470.439&ia=web
Edit2: Ego is indeed a company: http://www.egoproducts.com/en/products/appliance-heating/induction/ They claim to be "pioneers in the field of the generation, use and control of thermal energy and the associated user interfaces."


Kind regards,
Max
« Last Edit: October 19, 2020, 12:07:19 AM by Max »

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Re: 10 kW Induction Stove Teardown, Huge SMEG 5-Zone Stove
« Reply #1 on: October 18, 2020, 11:57:02 PM »

 


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