© by SEMIKRON / 2020-05-25 / Technical Explanation / SKYPER
®
12 PV
PROMGT.1026/ Rev.7/ Template Technical Explanation
Page 14/37
4.4
Gate drive signals | Primary side
The signal inputs TOP_IN/BOT_IN of the SKYPER
®
12 PV driver core have a +15V schmitt trigger logic. A
HIGH signal at the input of the driver turns on the corresponding output of the driver. A LOW signal at the
input leads to a switch-off command at the corresponding output. Pulses below 1µs are not allowed.
Short pulses as well as voltage peaks, e.g. caused by interference, are suppressed by the driver and will
not be transmitted to the outputs. Further information to the short pulse suppression are referred in
chapter 5.3.
Figure 10: SKYPER
®
12 PV | Primary side | Gate drive signals
When using the driver in environments with high levels of electromagnetic noise, it is recommended to
connect a filter capacitor (C
TOP_IN
/C
BOT_IN
) of several hundred pico Farads as close as possible to the signal
inputs. Please note that these capacitors affect the propagation delay time of the driver. The R
TOP_IN
/R
BOT_IN
resistors pull the inputs to low-level when no control signals are applied. The recommended value of the
pull-down resistors is approximately 10kΩ.
Parameter
Min
Typ
Max
Threshold high
-
-
10V
Threshold low
5V
-
-
SKYPER
®
12 PV
C
T
O
P
_
IN
TOP_IN
PWR_GND
R
T
O
P
_
IN
PWR_GND
X10:01
TOP_IN
X10:07
C
B
O
T
_
IN
BOT_IN
PWR_GND
R
B
O
T
_
IN
PWR_GND
X10:01
BOT_IN
X10:08
