BCM4414xG0F4440yzz
Supported Command List
Command
Code
Function
Default Data Content
Data Bytes
PAGE
00h
01h
Access BCM stored information
Turn BCM on or off
00h
80h
N/A
20h
64h
64h
64h
64h
64h
64h
00h
00h
00h
00h
00h
1
1
OPERATION
CLEAR_FAULTS
CAPABILITY
03h
Clear all faults
PMBusTM key capabilities set by factory
None
1
19h
OT_FAULT_LIMIT
OT_WARN_LIMIT
VIN_OV_FAULT_LIMIT
VIN_OV_WARN_LIMIT
IIN_OC_FAULT_LIMIT
IIN_OC_WARN_LIMIT
TON_DELAY
4Fh [f]
51h [f]
55h [f]
57h [f]
5Bh [f]
5Dh [f]
60h [f]
78h
Overtemperature protection
2
Overtemperature warning
2
High voltage side overvoltage protection
High voltage side overvoltage warning
High voltage side overcurrent protection
High voltage side overcurrent warning
Start up delay in addition to fixed delay
Summary of faults
2
2
2
2
2
STATUS_BYTE
1
STATUS_WORD
STATUS_IOUT
79h
Summary of fault conditions
2
7Bh
Overcurrent fault status
1
STATUS_INPUT
7Ch
Overvoltage and undervoltage fault status
1
Overtemperature and undertemperature
fault status
STATUS_TEMPERATURE
7Dh
00h
1
STATUS_CML
7Eh
80h
88h
89h
8Bh
8Ch
8Dh
96h
98h
99h
9Ah
9Bh
9Ch
9Dh
9Eh
PMBus communication fault
Other BCM status indicator
00h
00h
1
1
STATUS_MFR_SPECIFIC
READ_VIN
Reads HI side voltage
FFFFh
2
READ_IIN
Reads HI side current
FFFFh
2
READ_VOUT
Reads LO side voltage
FFFFh
2
READ_IOUT
Reads LO side current
FFFFh
2
READ_TEMPERATURE_1
READ_POUT
Reads internal temperature
FFFFh
2
Reads LO side power
FFFFh
2
PMBUS_REVISION
MFR_ID
PMBus compatible revision
22h
1
BCM controller ID
“VI”
2
MFR_MODEL
Internal controller or BCM model
Internal controller or BCM revision
Internal controller or BCM factory location
Internal controller or BCM manufacturing date
Internal controller or BCM serial number
Minimum rated high side voltage
Maximum rated high side voltage
Minimum rated low side voltage
Maximum rated low side voltage
Maximum rated low side current
Maximum rated low side power
Reads K factor
Part Number
FW and HW revision
“AP”
18
18
2
MFR_REVISION
MFR_LOCATION
MFR_DATE
“YYWW”
Serial Number
Varies per BCM
Varies per BCM
Varies per BCM
Varies per BCM
Varies per BCM
Varies per BCM
Varies per BCM
Varies per BCM
646464646464h
4
MFR_SERIAL
16
2
MFR_VIN_MIN
MFR_VIN_MAX
MFR_VOUT_MIN
MFR_VOUT_MAX
MFR_IOUT_MAX
MFR_POUT_MAX
READ_K_FACTOR
READ_BCM_ROUT
SET_ALL_THRESHOLDS
A0h
A1h
A4h
A5h
A6h
A7h
D1h
D4h
D5h [f]
2
2
2
2
2
2
Reads low voltage side output resistance
Set supervisory warning and protection thresholds
2
6
Disable overvoltage, overcurrent or
undervoltage supervisory faults
DISABLE_FAULT
D7h [f]
00h
2
[f] The BCM must be in a disabled state with VHI < VHI_UVLO– and VDDB applied during a write message.
BCM® in a VIA™ Package
Page 26 of 43
Rev 1.2
01/2018
VICOR [ VICOR CORPORATION ]
