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UM-PM-029
DA9213, DA9214, and DA9215 Performance
Boards
Figure 12: Monitoring the Inductor Current of BUCKA
When BUCKA is enabled, only phase-1 (LX_A1) is switching, whilst phase-2 (LX_A2) does not. This
is happens when PH_SH_EN1 is asserted. Since no load is applied to the output of the buck
converter, DA9214 automatically optimizes the number of active phases and turns off phase-2 to
save power.
User Manual
Revision 2.0
25-Feb-2022
CFR0012
20 of 37
© 2022 Renesas Electronics
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