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BMR46 series PoL Regulators
BMR46 series PoL Regulators
Input 4.5-14 V, Output up to 50 A / 165 W
Input 4.5-14 V, Output up to 50 A / 165 W
PMBus Commands
The products are PMBus compliant. The following table lists
the implemented PMBus read commands. For more detailed
information see PMBus Power System Management Protocol
Specification; Part I – General Requirements, Transport and
Electrical Interface and PMBus Power System Management
Protocol; Part II – Command Language.
Designation
Standard PMBus Commands
Control Commands
PAGE
OPERATION
ON_OFF_CONFIG
WRITE_PROTECT
Output Commands
VOUT_MODE (Read Only)
VOUT_COMMAND
VOUT_TRIM
VOUT_CAL_OFFSET
VOUT_MAX
VOUT_MARGIN_HIGH
VOUT_MARGIN_LOW
VOUT_TRANSITION_RATE
VOUT_DROOP
MAX_DUTY
FREQUENCY_SWITCH
VIN_ON
VIN_OFF
IOUT_CAL_GAIN
IOUT_CAL_OFFSET
VOUT_SCALE_LOOP
VOUT_SCALE_MONITOR
COEFFICIENTS
Fault Limit Commands
POWER_GOOD_ON
POWER_GOOD_OFF
VOUT_OV_FAULT_LIMIT
VOUT_OV_WARN_LIMIT
VOUT_UV_WARN_LIMIT
VOUT_UV_FAULT_LIMIT
IOUT_OC_FAULT_LIMIT
IOUT_OC_WARN_LIMIT
IOUT_UC_FAULT_LIMIT
Designation
OT_FAULT_LIMIT
OT_WARN_LIMIT
UT_WARN_LIMIT
UT_FAULT_LIMIT
VIN_OV_FAULT_LIMIT
VIN_OV_WARN_LIMIT
Cmd
Impl
VIN_UV_WARN_LIMIT
VIN_UV_FAULT_LIMIT
Fault Response Commands
00h
No
VOUT_OV_FAULT_RESPONSE
01h
Yes
VOUT_UV_FAULT_RESPONSE
02h
Yes
OT_FAULT_RESPONSE
10h
No
UT_FAULT_RESPONSE
VIN_OV_FAULT_RESPONSE
20h
Yes
VIN_UV_FAULT_RESPONSE
21h
Yes
IOUT_OC_FAULT_RESPONSE
22h
Yes
IOUT_UC_FAULT_RESPONSE
23h
Yes
Time setting Commands
24h
Yes
TON_DELAY
25h
Yes
TON_RISE
26h
Yes
TOFF_DELAY
27h
Yes
TOFF_FALL
28h
Yes
TON_MAX_FAULT_LIMIT
32h
Yes
Status Commands (Read Only)
33h
Yes
CLEAR_FAULTS
35h
No
STATUS_BYTE
36h
No
STATUS_WORD
38h
Yes
STATUS_VOUT
39h
Yes
STATUS_IOUT
29h
No
STATUS_INPUT
2Ah
No
STATUS_TEMPERATURE
30h
No
STATUS_CML
STATUS_MFR_SPECIFIC
5Eh
Yes
Monitor Commands (Read Only
5Fh
No
READ_VIN
40h
Yes
READ_VOUT
42h
No
READ_IOUT
43h
No
READ_TEMPERATURE_1
44h
Yes
READ_TEMPERATURE_2
46h
Yes
READ_FAN_SPEED_1
4Ah
No
READ_DUTY_CYCLE
4Bh
Yes
READ_FREQUENCY
Technical Specification
Technical Specification
1/28701-BMR 464 Rev.B
1/28701-BMR 464 Rev.B
July 2019
July 2019
© Flex
© Flex
69
Cmd
Impl
4Fh
Yes
51h
Yes
52h
Yes
53h
Yes
55h
Yes
57h
Yes
58h
Yes
59h
Yes
41h
Yes
45h
Yes
50h
Yes
54h
Yes
56h
Yes
5Ah
Yes
47h
No
4Ch
No
60h
Yes
61h
Yes
64h
Yes
65h
Yes
62h
No
03h
Yes
78h
Yes
79h
Yes
7Ah
Yes
7Bh
Yes
7Ch
Yes
7Dh
Yes
7Eh
Yes
80h
Yes
88h
Yes
8Bh
Yes
8Ch
Yes
8Dh
Yes
8Eh
No
90h
No
94h
Yes
95h
Yes
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