2
Connection and startup
The figures below show the circuit diagram and the physical position of the components on the board.
Figure 2.
STEVAL-SCR002V1: circuit simplified schematic
Figure 3.
STEVAL-SCR002V1 components
STEVAL-SCR002V1 pinout:
•
EN
: enable pin. The NTC is bypassed as long as the enable pin is supplied with a positive voltage (from 3.3
to 15 V)
•
GND_DC
: DC voltage reference
•
LINE
: AC line voltage
•
NEUTRAL
: AC neutral voltage
•
DC+
: DC high voltage
The following figure shows a connection example of the
to a standard PFC with inrush
managed via relay.
UM2948
Connection and startup
UM2948
-
Rev 1
page 4/28