BCM380y475x800A31
Typical Application
PRM
BCM
SER-OUT
SER-OUT
ENABLE
TRIM
VAUX
enable/disable
switch
REF/
REF_EN
VTM
V
OUT
Adaptive Loop Temperature Feedback
VTM Start Up Pulse
EN
AL
VT
VC
IFB
TM
VC
PC
+OUT
SHARE/
CONTROL NODE
SER-IN
SGND
enable/disable
switch
R
R
AL_PRM
TRIM_PRM
PRM_SGND
SER-IN
LOAD
C
R
R
O_VTM_CER
I_PRM_DAMP
O_PRM_DAMP
FUSE
+IN
–IN
+OUT
–OUT
+IN
–IN
+IN
+OUT
–OUT
L
L
I_PRM_FLT
O_PRM_FLT
C
V
C
R
I_PRM_CER
IN
I_BCM_ELEC
O_PRM_CER
–IN
PRIMARY
–OUT
SECONDARY
ISOLATION BOUNDRY
SGND
PRIMARY
SECONDARY
SOURCE_RTN
LOAD_RTN
ISOLATION BOUNDRY
PRM_SGND
Digital Supervisor
Digital Isolator
Host µC
NC
PRI_OUT_A
SEC_IN_A
VDDB
VDD
t
SER-IN
+
–
V
EXT
TX
PRI_OUT_B
PRI_IN_C
SEC_IN_B
SEC_OUT_C
SEC_COM
SER-OUT
SGND
RX
PRI_COM
SGND
PMBus
PMBus
SGND
SGND
SGND
BCM380y475x800A31 + PRM + VTM, Adaptive Loop Configuration
V
REF
BCM
SGND
REF 3312
IN OUT
PRM
SGND
SER-OUT
Voltage Sense and Error Amplifier
(Differential)
SER-OUT
GND
VAUX
ENABLE
TRIM
enable/disable
switch
VTM
REF/
REF_EN
EN
SGND
Voltage Reference with Soft Start
SGND
AL
VT
VC
IFB
TM
+OUT
SER-IN
SHARE/
VC
PC
enable/disable
switch
VTM Start up Pulse
CONTROL NODE
SER-IN
PRM_SGND
V
+
V –
VOUT
+IN
R
R
LOAD
SGND
C
–IN
I_PRM_DAMP
O_PRM_DAMP
O_VTM_CER
FUSE
+IN
–IN
+IN
–IN
+OUT
+OUT
–OUT
+IN
–IN
L
External Current Sense L
O_PRM_FLT
V
C
I_PRM_FLT
C
O_PRM_CER
IN
C
I_BCM_ELEC
I_PRM_ELEC
–OUT
–OUT
SGND
PRIMARY
SECONDARY
SOURCE_RTN
PRIMARY
SECONDARY
ISOLATION BOUNDRY
ISOLATION BOUNDRY
PRM_SGND
Digital Supervisor
Digital Isolator
Host μC
NC
PRI_OUT_A
SEC_IN_A
SEC_IN_B
SEC_OUT_C
SEC_COM
VDDB
t
SER-IN
+
–
V
EXT
VDD
TX
PRI_OUT_B
PRI_IN_C
SER-OUT
SGND
RX
PRI_COM
SGND
PMBus
PMBus
SGND
SGND
SGND
BCM380y475x800A31 + PRM + VTM, Remote Sense Configuration
BCM® Bus Converter
Page 2 of 23
Rev 1.3
05/2015
vicorpower.com
800 927.9474
VICOR [ VICOR CORPORATION ]
