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MEP EP#262: Flex PCB Primers
MP3•Episode home
Manage episode 284067555 series 120573
Content provided by MacroFab, Inc.. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by MacroFab, Inc. or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
Parker
- Robert Feranec
- Published a video about what to consider when selecting chips for your new board design.
- Don’t want to steal Robert's content so go check him out.
- Hardware design and PCB Layout online course
- Published a video about what to consider when selecting chips for your new board design.
- Comprehensive Power Supply System Designs for Harsh Automotive Environments Consume Minimal Space, Preserve Battery Charge, Feature Low EMI
- Analog engineer Bin Wu and previous Linear Tech engineer Zhongming Ye writing an application note with linear tech devices.
- ‘An Ideal Diode Satisfies Automotive Immunity Norms’
- LT8672
- Active rectifier controller
- LT8672
- Why is all this needed?
- Car power is dirty
- Load dumps
- Cold cranking
- Pulses
- ISO 7632-2 is a negative spike whose peak voltage exceeds −220 V!
- Reverse Polarity
- AC Ripple
- Car power is dirty
Stephen
- Wurth Elektronik on Flex PCBs
- Basically Polyimide foil with deposited copper
- 3 ways to create a system (from page 2)
- Heterogeneous
- Homogeneous
- Partial Homogeneous
- Full flex and Semiflex
- Much Much easier way to create a 3d system design
- Added benefit of having a full panelized system
- Can test a full panel of designs all at once
- Test points can technically be on the flex
- Break and make
- Take the rails off of the PCB
- Flex-rigid boards
- Can be bonded to external layers
- Can be internal
- Can be rigid on one side or both
- Can be multiple layers
- Layout and routing
- Create a new layer in your EDA tool to define the Flex portion
- No vias in flex portion
- Use teardrops for added rigidity
- Use wider tracks where possible for added strength
- Do not change width in bend area
- Distribute conductors evenly
- Documentation
- Do it... Do it a lot
- In addition to the PCB gerber or ODB++ files include drawings
- A fab drawing that defines the flex pcb is very helpful
432 episodes
MP3•Episode home
Manage episode 284067555 series 120573
Content provided by MacroFab, Inc.. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by MacroFab, Inc. or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
Parker
- Robert Feranec
- Published a video about what to consider when selecting chips for your new board design.
- Don’t want to steal Robert's content so go check him out.
- Hardware design and PCB Layout online course
- Published a video about what to consider when selecting chips for your new board design.
- Comprehensive Power Supply System Designs for Harsh Automotive Environments Consume Minimal Space, Preserve Battery Charge, Feature Low EMI
- Analog engineer Bin Wu and previous Linear Tech engineer Zhongming Ye writing an application note with linear tech devices.
- ‘An Ideal Diode Satisfies Automotive Immunity Norms’
- LT8672
- Active rectifier controller
- LT8672
- Why is all this needed?
- Car power is dirty
- Load dumps
- Cold cranking
- Pulses
- ISO 7632-2 is a negative spike whose peak voltage exceeds −220 V!
- Reverse Polarity
- AC Ripple
- Car power is dirty
Stephen
- Wurth Elektronik on Flex PCBs
- Basically Polyimide foil with deposited copper
- 3 ways to create a system (from page 2)
- Heterogeneous
- Homogeneous
- Partial Homogeneous
- Full flex and Semiflex
- Much Much easier way to create a 3d system design
- Added benefit of having a full panelized system
- Can test a full panel of designs all at once
- Test points can technically be on the flex
- Break and make
- Take the rails off of the PCB
- Flex-rigid boards
- Can be bonded to external layers
- Can be internal
- Can be rigid on one side or both
- Can be multiple layers
- Layout and routing
- Create a new layer in your EDA tool to define the Flex portion
- No vias in flex portion
- Use teardrops for added rigidity
- Use wider tracks where possible for added strength
- Do not change width in bend area
- Distribute conductors evenly
- Documentation
- Do it... Do it a lot
- In addition to the PCB gerber or ODB++ files include drawings
- A fab drawing that defines the flex pcb is very helpful
432 episodes
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