project
12 V to 5 V / 1 A Buck Molecule (TPS54202)
Public Unreviewedby John Lauer
An independently designed 12 V to 5 V, 1 A synchronous buck molecule (TI TPS54202), with calculations, ngspice and PSpice simulation, KiCad 10 schematic and board, and the board laid out and analysed with adom-aiflow.
← Commit history
docs/design.md+1−1@@ -74,7 +74,7 @@ Datasheet equations 11 to 14, for a 0 to 1 A step with a self-set 3 % (150 mV) d | output ripple at 16 V | 3.16 mV | | RMS ripple current per capacitor | 44.1 mA | -The 3 % step target was our own, not part of the brief. The TI model later showed about 3.6 % for a full 1 A step, and the [simulation page](simulation.md) explains why adding capacitance would not reduce that on this part.+The 3 % step target was our own, not part of the brief. The TI model later showed about 3.7 % for a full 1 A step, and the [simulation page](simulation.md) explains why adding capacitance would not reduce that on this part. ## Feed-forward capacitor: 68 pF, not the calculated 99 pF