TP5100 charger circuit feedback please - anything off?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Will there be any issues connecting the mechanical parts (MP* etc) to GND for some reason? They are screw holders.
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Is there any reason to use a CH340G over the CH340N which I assume is a newer model?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Anything wrong with my PMOS power switch design?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Not experienced with BGA mfg. Do you think this design will be problematic at JLC? (SY6818)
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Do you always use Pi filters on your DCDC switching lines?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
What happens if you dont place a limiting resistor on this IC?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
My PMOS Drain and Source should switch side? Load sharing USB with LiPo 3.7V
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Why does this circuit run perfectly when battery not connected? Something is making battery hit overcurrent protection.
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
This important?
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Power issues on music player, any suggestions?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
When a component suddenly surges in price and goes out of stock, what gives?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
What do you think those 4x100mH inductors are used for? (Bluetooth speaker)
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Am I doing something wrong here? (They are always on)
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Is this a correctly placed TVS?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Li-Po battery natural swell?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
The LED is lit even if USB is not connected, presumably from battery. Should I add diode somewhere?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Can I swap GND and VDD and use this keypad resistor ladder to wake up an ESP32?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Do I need to pull-up the CHRG and STDBY to read them to a GPIO?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Is there any voltage loss on the AMP_CTL line?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
For double channel mode, do I voltage divide to 0V<VVDIO<0.16V? Why does it say pullup?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Will a battery connected to an MCU like this always draw power?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Will it cause any issues having two converters (U4 & U5) this close?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.
Is it inefficient having two bucks like this?
A subreddit for practical questions about component-level electronic circuits: design, repair, component buying, test gear and tools.