23
Technical information
and start-up
BSC624-12V-B
Galvanic isolation
Remarks
BSC624-12V-B
Unit
Withstand voltage between HV and LV
Test voltage
2’700
V
DC
Galvanic isolation between signal and power ground Test voltage
10
V
DC
Isolation resistance HV-side against chassis/GND
-
> 5
M
Ω
Control circuit
Remarks
BSC624-12V-B
Unit
Min. voltage for signals at the control connector
(AUX)
-
7
V
Max. voltage for signals at the control connector
(AUX)
-
32
V
Buck mode:
LV control with HV undervoltage
limitation and current limits
-
-
Boost mode:
HV control with LV undervoltage
limitation and current limits
-
-
LV voltage measuring range
-
0 to 20.0
V
LV voltage signal accuracy
Referring to scale end
+/-1
%
HV voltage measuring range
Limited by value range in CAN matrix
0 to 480.0
V
HV voltage signal accuracy
Referring to scale end
+/-1
%
HV (Low Side) current measuring range
Limited by value range in CAN matrix
+/-25.0
A
HV (Low Side) current signal accuracy
LEM
+/-3.5
%
Clock frequencies
Remarks
BSC624-12V-B
Unit
Transformer stage
-
197
kHz
Buck / Boost converter min.
@ U
HV
= 220V, U
LV
= 14.0V, I
LV
= 250A
40
kHz
Buck / Boost converter max.
@ U
HV
= 450V, U
LV
= 16.0V, I
LV
= 0A
150
kHz
Crystal oscillator
-
6
MHz
Microcontroller Hitachi HD64F7045FI28
4 x f
crystal
24
MHz
Supply HV
12.4V
DC
@ U
HV
= 85V
88
kHz
Supply HV
12.4V
DC
@ U
HV
= 170V
126
kHz
Supply HV
12.4V
DC
@ U
HV
= 240V
142
kHz
Supply HV
12.4V
DC
@ U
HV
= 450V
166
kHz
Supply 12.4V
DC
5V
DC
-
260
kHz
Supply AUX
11.7V
DC
-
260
kHz
Supply CAN
-
230
kHz
Thermal / cooling system
Remarks
BSC624-12V-B
Unit
Coolant (water / glycol mixing ratio)
-
50 / 50
-
Amount of coolant in device
including junction
225
ml
Min. coolant temperature
-
- 40
°C
Max. coolant temperature
-
65
°C
Cooling water flow rate min.
-
4
l/min
Cooling water flow rate max.
-
10
l/min
Drop in pressure
@ 4 l/min
< 0.1
bar
Max. static pressure
-
2
bar
Ambient temperature range (storage)
-
- 40 to + 105
°C
Ambient temperature range (operation)
-
- 40 to + 85
°C
