BCM3814x60E15A3yzz
Pin Configuration
10
1
TOP VIEW
3
12
+HI
–HI
–LO
–LO
+LO
5
6
7
8
9
EXT BIAS
SCL
PMBus™
SDA
SGND
ADDR
–LO
–LO
+LO
11
2
4
13
BCM in a 3814 VIA Package - Chassis (Lug) Mount
11
13
2
TOP VIEW
4
–HI
+HI
–LO
–LO
+LO
9
8
7
6
5
ADDR
SGND
SDA
PMBus™
SCL
EXT BIAS
+LO
–LO
–LO
10
1
3
12
BCM in a 3814 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
High voltage side positive power terminal
1
2
+HI
–HI
HIGH SIDE POWER
HIGH SIDE POWER
RETURN
High voltage side negative power terminal
Low voltage side positive power terminal
LOW SIDE
POWER
3, 4
+LO
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
SGND
ADDR
–LO
Signal Ground
9
INPUT
Address assignment – Resistor based
Low voltage side negative power terminal
LOW SIDE
POWER RETURN
10, 11, 12, 13
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 41
Rev 2.0
02/2018
VICOR [ VICOR CORPORATION ]
