BCM3814x60E10A5yzz
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
1
2
+HI
–HI
HIGH SIDE POWER
Positive transformer power terminal on high voltage side
Negative transformer power terminal on high voltage side
HIGH SIDE POWER
RETURN
LOW SIDE
POWER
3, 4
+LO
Positive transformer power terminal on low voltage side
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
Negative transformer power terminal on low voltage side
LOW SIDE
POWER RETURN
10, 11, 12, 13
Notes: All signal pins (5, 6, 7, 8, 9) are referenced to low voltage side and isolated from the high voltage side.
Keep SGND Signal of the BCM in a VIA package separated from the low voltage side power return terminal (–LO) in electrical design.
BCM® in a VIA Package
Page 3 of 39
Rev 1.4
09/2016
vicorpower.com
800 927.9474
VICOR [ VICOR CORPORATION ]
