diff --git a/configs/sama5d3-xplained/src/sam_usb.c b/configs/sama5d3-xplained/src/sam_usb.c
index 6963ab6753f..fc40510934e 100644
--- a/configs/sama5d3-xplained/src/sam_usb.c
+++ b/configs/sama5d3-xplained/src/sam_usb.c
@@ -448,7 +448,7 @@ void sam_usbhost_vbusdrive(int rhport, bool enable)
       return;
     }
 
-  /* Then enable or disable VBUS power */
+  /* Then enable or disable VBUS power (active low for SP2526A-2) */
 
   if (enable)
     {
diff --git a/configs/sama5d3-xplained/src/sama5d3-xplained.h b/configs/sama5d3-xplained/src/sama5d3-xplained.h
index 42a4ed12577..0f14414664e 100644
--- a/configs/sama5d3-xplained/src/sama5d3-xplained.h
+++ b/configs/sama5d3-xplained/src/sama5d3-xplained.h
@@ -382,26 +382,33 @@
  *
  *   PIO  Signal Name Function
  *   ---- ----------- -------------------------------------------------------
- *   PE4  EN5V_USBB   VBus power enable (via MN3 AIC1526 Dual USB High-Side
- *                    Power Switch).  To the A1 pin of J7 Dual USB A
- *                    connector
+ *   PE3  EN5V_USBB   VBus power enable via MN3 SP2526A-2E dual power
+ *                    switch.  PE3 (EN5V_USBB)connects to ENB pin of MN3.
+ *                    MN3 OUTB (5V_USBB) is provided to pin 5 of J7 Dual USB
+ *                    A connector
+ *
+ *                    Active high for SP2526A-1; active low for SP2526A-2
  */
 
 #define PIO_USBB_VBUS_ENABLE \
-                     (PIO_OUTPUT | PIO_CFG_DEFAULT | PIO_OUTPUT_CLEAR | \
-                      PIO_PORT_PIOE | PIO_PIN4)
+                     (PIO_OUTPUT | PIO_CFG_DEFAULT | PIO_OUTPUT_SET | \
+                      PIO_PORT_PIOE | PIO_PIN3)
 
 /* Port C
  *
  *   PIO  Signal Name Function
  *   ---- ----------- -------------------------------------------------------
- *   PE3  EN5V_USBC   VBus power enable (via MN3 power switch).  To the B1
- *                    pin of J7 Dual USB A connector
+ *   PE4  EN5V_USBC   VBus power enable via MN3 SP2526A-2E dual power
+ *                    switch.  PE4 (EN5V_USBC) connects to ENA pin of the
+ *                    MN3. MN3 OUTA (5V_USBC) is provided to the pin 1 of J7
+ *                    Dual USB A connector
+ *
+ *                    Active high for SP2526A-1; active low for SP2526A-2
  */
 
 #define PIO_USBC_VBUS_ENABLE \
-                     (PIO_OUTPUT | PIO_CFG_DEFAULT | PIO_OUTPUT_CLEAR | \
-                      PIO_PORT_PIOE | PIO_PIN3)
+                     (PIO_OUTPUT | PIO_CFG_DEFAULT | PIO_OUTPUT_SET | \
+                      PIO_PORT_PIOE | PIO_PIN4)
 
 /*  Both Ports B and C
  *