User's Manual l MBa6ULxL UM 0101 l © 2018, TQ-Systems GmbH
Page 22
4.4
Power supply
The MBa6ULxL is supplied with 6.5 to 30 V via X26 or X27. All other voltages are generated on the MBa6ULxL.
Additionally, 3.3 V and 5 V are available at headers X22 and X23.
The Mini PCIe connectors X24 and X25 are supplied with 1.5 V and 3.3 V.
A 5 V supply instead of 3.3 V is possible as assembly option.
Illustration 16:
Block diagram power supply
4.4.1
Protective circuitry
The MBa6ULxL can be supplied with 6.5 V to 30 V DC. The protective circuit has the following characteristics:
•
Slow blow fuse 5 A
•
Excess voltage protection diode
•
PI filter
•
Inverse-polarity protection
Illustration 17:
Block diagram input protection
4.4.2
Power consumption
The typical power consumption of the MBa6ULxL without display is approximately 3 ~ 4 W.
If however a display is powered by the MBa6ULxL, the power consumption depends on the display connected.
4.4.3
Power supply connector
A 2-pin Phoenix connector type MC 1,5/2-G-3,5 is assembled on the MBa6ULxL.
Suitable mating connectors are e.g., Phoenix Contact
•
Part Number 1840366 (Screw Terminals)
•
Part Number 1952267 (Push-In Spring)
