Product Data Sheet
Arduino MKR WAN 1310 
2.5 Power Tree 
Board can be powered via USB connector, V
IN
 pin or V
USB
 pin on headers. 
V
USB
V
Chrg
+3V8 
+3V3 
+3V3 User 
V
USB
  V
Chrg
 via 
MOSFET 
V
IN
  V
Chrg
 via Diode 
V
Chrg
+3V8 via BQ24195L 
3V8 +3V3 via LDO (600 mA output) 
SAMD21G18 
(30mA) 
CMWX1ZZABZ 
(128mA) 
ECC508 (16mA) 
W25Q16 (30mA) 
User application (300) 
Note 
Since V
USB
 feeds V
IN
 via a Schottky diode and DC-DC regulator specified minimum input voltage is 4.5V 
the minimum supply voltage from USB has to be increased to a voltage in the range between 4.8V to 
4.96V depending on the current being drawn. 
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Arduino MKR WAN 1310 - 12/23/2020 










