Where are you measuring the power from?
I measured from J2 on BCM9WCD9EVAL1 which only supplies power ,3.3V to the Cypress module,BCM94343WWCD.
also I have enabled the Low power option for both MCU and BT/WiFi chipset while I did the measurement.
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10 mA average current is expected with the default ping_powersave snip having 1 second ping interval. The exact current consumption for a ping transaction is shown in Figure 4 of the powersave app note along with explanation. To reduce the average current consumption, you need to increase the ping interval. In addition, you need to increase the listen interval because the station will wake every listen interval to listen to buffered frames from AP. However, the listen interval cannot be too large because the AP will have limited memory to store the buffered frames. I would recommend you to go through the entire powersave app note and go through section 5.2.1 Custom Low-Power Application for more details on low power.
10mA is the lowest real-time current which is measure by a oscilloscope. I have followed the app note, but the sleep current isn't lowered which should be xxuA.