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4 votes
1 answer
192 views

Questions regarding this power module

I'm looking at this power IC module. I assume it's a buck converter. In that case, on page 16 of the datasheet, Equation 4.1, there's this formula: Rvout = 8.2 kΩ * TRIM. If TRIM is 5, then what would ...
user avatar
1 vote
0 answers
164 views

1V Overshoot and Undershoot on Power Rails of LTE Module

I have designed a PCB (four layer) having SIM7600I LTE Module. The Stackup is: Signal & Component Layer with Ground Pour Internal Ground Power Plane Internal ...
abhiarora's user avatar
  • 962
2 votes
3 answers
3k views

Why is my buck converter emitting smoke and fire?

I am powering my router from a 24 V battery, but the power requirement of router is 12 V/1 A, so I am using an LM2596 buck converter. The specification for this buck converter is as follows: Input ...
Thoht's user avatar
  • 123
3 votes
1 answer
717 views

Is it useful to think of SMPS input capacitance as part of an LC filter?

I'm at the stage of learning about switched-mode power supplies that I'm focused on understanding the role of input capacitance. Just for background, I'm working with a buck topology for this ...
scanny's user avatar
  • 7,172
1 vote
3 answers
2k views

Buck converter based switching power supply?

simulate this circuit – Schematic created using CircuitLab I have designed this circuit based on a buck converter. I'm just having trouble finding out which values to plug in. I.E. C1, L1, and ...
Allenph's user avatar
  • 717