B. Braun Dialog+ - Switch Mode Power Supply Microcontroller SMPS-MC; Block Diagram SMPS-MC

2. Technical System Description 1/2010 2 - 42
BA-TE-DE08C M.KAY
Dialog+ SW9xx_sm_Chapter 2_1-2010.doc/pdf <100329> yymmdd
B. Braun Avitum AG
Dialog
+
SW 9.xx
2.22 Switch Mode Power Supply Microcontroller SMPS-MC
2.22.1 Block Diagram SMPS-MC
Secondary SidePrimary Side
20..30Vdc
F_bat
I_bat
Filter
(EMC)
Power
Factor
Correction
PFC
Battery 24V
(Option)
F5A/F5B T6.25A (230V) F12A (110V)
F5A
F5B
F6
F6 F12A (230V) F20A (110V)
F1 T6.25A
F2 T6.25A
0V
Microcontroller
Hardware
Watchdog
1
20
Signals
Buzzer
L N
PE
PE
LH1
LH2
N1
PE1
Double- Stage Heater
Mains
Forward Converter
GND
+5VD +5VD +5VD +5VD
+12VD
+12VD
+12VA -12VD -12VA
0V 0V 0V 0V 0V
F301 F302 F303 F304 - Ext. - P14 - - Motherboard - ABPM - P7 - DSI - P8
K4
K3
DC
DC
Fig. : Block Diagram Switch Mode Power Supply Microcontroller SMPS-MC