Hi TI support,
=> We are facing startup issues with TPS62175 design. It worked well till now with 0.25A resistive load.
=> But as same design could be used upto 0.5A, I tried using it for 360mA load & found Vout is stuck at 2.52V (waveform attached) which never returns to 3.4V. However, if I removed load in powered condition & then reconnect in powered condition then no issues. That is TPS62175 is able to sustain 0.35A load in powered condition but not during startup.
=> It seems IC enters current limit mode but is unable to recover from that.
=> Attached are also the waveforms with 0.3A load where IC seems going in current limit mode but recovers after some ms & returns to 3.4V. However, here IC goes upto 3.16V
=> Design parameters are VIN=12V to 18V, VOUT=3.4V at 0.25A.
=> Inductor used SRN3015-100M having Irms=1A, Isat=0.88A which I think is similar to ones as recommended in datasheet.
Kindly help us at the earliest.