MP2953B – DIGITAL PWM CONTROLLER WITH PMBUS FOR VR12.5

MP2953B Rev. 1.01

www.MonolithicPower.com

28

10/9/2015

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2015 MPS. All Rights Reserved.

PMBUS COMMANDS

Command

Code

Command Name

Type

Bytes

Default

Value

Data Formats

01h

OPERATION

r/w

1

80h

Direct

03h

CLEAR_FAULTS

send

0

-

-

15h

STORE_USER_ALL

send

0

-

-

16h

RESTARE_USER_ALL

send

0

-

-

21h

VOUT_COMMAND

r/w

2

007Eh

VID

24h

VOUT_MAX

r/w

2

00FFh

VID

25h

VOUT_MARGIN_HIGH

r/w

2

0000h

VID

26h

VOUT_MARGIN_LOW

r/w

2

0000h

VID

35h

VIN_ON

r/w

2

E850h

Linear

36h

VIN_OFF

r/w

2

E848h

Linear

38h

IOUT_CAL_GAIN

r/w

2

88A8h

Linear

39h

IOUT_CAL_OFFSET

r/w

2

F800h

Linear

55h

VIN_OV_FAULT_LIMIT

r/w

2

E870h

Linear

58h

VIN_UV_WARN_LIMIT

r/w

2

E84Ch

Linear

78h

STATUS_BYTE

r

1

00h

Direct

79h

STATUS_WORD

r

2

0000h

Direct

7Ah

STATUS_VOUT

r

1

00h

VID

7Bh

STATUS_IOUT

r

1

00h

Direct

7Ch

STATUS_ INPUT

r

1

00h

Direct

7Dh

STATUS_ TEMPERATURE

r

1

00h

Direct

7Eh

STATUS_ CML

r

1

00h

Direct

88h

READ_VIN

r

2

E800h

Linear

89h

READ_IIN

r

2

E000h

Linear

8Bh

READ_VOUT

r

2

0000h

VID

8Ch

READ_IOUT

r

2

F000h

Linear

8Dh

READ_TEMPERATURE

r

2

0019h

Linear

96h

READ_POUT

r

2

0000h

Linear

BAh

MFR_SLOPE_SLEWRATE_PS2

r/w

2

01C1H

Direct

BBh

MFR_SLOPE_CNT_PS2

r/w

2

03F0H

Direct

D0h

MFR_VR_CONFIG

r/w

2

EC00h

Direct

D1h

MFR_TEMPERATURE

r/w

2

500Ah

Direct

D2h

MFR_FS_SET

r/w

1

B2h

Direct

D3h

MFR_CUR_GAIN

r/w

2

0159h

Direct

D4h

MFR_OCP_SET

r/w

2

4525h

Direct

D5h

MFR_OVP_UVP_SET

r/w

2

4A54h

Direct

D6h

MFR_OCP_TRG

r/w

1

2Ah

Direct

D8h

MFR_ADDR_PMBUS

r/w

1

8Fh

Direct

D9h

MFR_ADDR_SVID

r/w

1

10h

Direct

DBh

MFR_OTP_SET

r/w

2

961Eh

Direct

DCh

MFR_PSI_TRIM

r/w

2

0D8Bh

Direct

DDh

MFR_CUR_OFFSET

r/w

1

3Ah

Direct

E8h

MFR_BLANK_TIME

r/w

1

18h

Direct

EAh

MFR_VBOOT

r/w

2

017Eh

Direct

EBh

MFR_ICC_MAX

r/w

1

FFh

Direct

ECh

MFR_TEMP_MAX

r/w

1

7Dh

Direct

EDh

MFR_SR

r/w

2

1405h

Direct

EEh

MFR_VR_TOLERANCE

r/w

1

28h

Direct

EFh

VENDOR_ID_VR

r/w

1

00h

Direct

F0h

PRODUCT_ID_VR

r/w

1

00h

Direct