BCM4414xG0F4440yzz
Pin Configuration
1
TOP VIEW
3
+HI
–HI
+LO
5
6
7
8
9
EXT BIAS
SCL
PMBus™
SDA
SGND
ADDR
–LO
2
4
BCM in a 4414 VIA Package - Chassis (Lug) Mount
2
TOP VIEW
4
–HI
+HI
–LO
9
8
7
6
5
ADDR
SGND
SDA
PMBus™
SCL
EXT BIAS
+LO
1
3
BCM in a 4414 VIA Package - Board (PCB) Mount
Note: The dot on the VIA housing indicates the location of the signal pin 9.
Pin Descriptions
Pin Number
Signal Name
Type
Function
1
2
+HI
–HI
HIGH SIDE POWER
High voltage side positive power terminal
High voltage side negative power terminal
HIGH SIDE POWER
RETURN
LOW SIDE
POWER
3
4
+LO
–LO
Low voltage side positive power terminal
Low voltage side negative power terminal
LOW SIDE
POWER RETURN
5
6
7
EXT BIAS
SCL
INPUT
INPUT
5V supply input
I2C™ Clock, PMBus™ Compatible
I2C Data, PMBus Compatible
SDA
INPUT/OUTPUT
LOW SIDE
SIGNAL RETURN
8
9
SGND
ADDR
Signal Ground
INPUT
Address assignment – Resistor based
Notes: All signal pins (5, 6, 7, 8, 9) are referenced to the low voltage side and isolated from the high voltage side.
Keep SGND signal separated from the low voltage side power return terminal (–LO) in electrical design.
BCM® in a VIA™ Package
Page 4 of 43
Rev 1.2
01/2018
VICOR [ VICOR CORPORATION ]
