Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - power supply controllers/monitors 3 mA TQFN 40 EP (6x6)

MAX34446

PMBus Power-Supply Data Logger

8Maxim Integrated

Table 1. PMBus Command Codes

CODE COMMAND NAME TYPE

PAGE

0–3

PAGE

4, 5, 6

PAGE

255

NO. OF

BYTES

LOCKED

(NOTE 2)

FLASH

STORED

(NOTE 3)

DEFAULT

VALUE

(NOTE 3)

(NOTE 1)

00h PAGE R/W Byte R/W R/W R/W 1 N N 00h

03h CLEAR_FAULTS Send Byte W W W 0 Y N —

10h WRITE_PROTECT R/W Byte R/W R/W R/W 1 Y N 00h

11h STORE_DEFAULT_ALL Send Byte W W W 0 Y N —

12h RESTORE_DEFAULT_ALL Send Byte W W W 0 Y N —

19h CAPABILITY Read Byte R R R 1 N FIXED 00h

20h VOUT_MODE Read Byte R R R 1 N FIXED 40h

2Ah VOUT_SCALE_MONITOR R/W Word R/W — — 2 Y Y 7FFFh

38h IOUT_CAL_GAIN R/W Word R/W — — 2 Y Y 0000h

40h VOUT_OV_FAULT_LIMIT R/W Word R/W — — 2 Y Y 7FFFh

42h VOUT_OV_WARN_LIMIT R/W Word R/W — — 2 Y Y 7FFFh

43h VOUT_UV_WARN_LIMIT R/W Word R/W

— — 2 Y Y 0000h

44h VOUT_UV_FAULT_LIMIT R/W Word R/W — — 2 Y Y 0000h

46h IOUT_OC_WARN_LIMIT R/W Word R/W — — 2 Y Y 7FFFh

4Ah IOUT_OC_FAULT_LIMIT R/W Word R/W — — 2 Y Y 0000h

4Fh OT_FAULT_LIMIT R/W Word — R/W — 2 Y Y 0000h

51h OT_WARN_LIMIT R/W Word — R/W — 2 Y Y 7FFFh

5Eh POWER_GOOD_ON R/W Word R/W — — 2 Y Y 0000h

5Fh POWER_GOOD_OFF R/W Word R/W — — 2 Y Y 0000h

78h STATUS_BYTE Read Byte R R R 1 N N 00h

79h STATUS_WORD Read Word R R R 2 N N 0000h

7Ah STATUS_VOUT Read Byte R — — 1 N N 00h

7Eh STATUS_CML Read Byte R R R 1 N N 00h

80h STATUS_MFR_SPECIFIC Read Byte R R — 1 N N 00h

8Bh READ_VOUT Read Word R — — 2 N

N 0000h

8Ch READ_IOUT Read Word R — — 2 N N 0000h

8Dh READ_TEMPERATURE_1 Read Word — R — 2 N N 0000h

96h READ_POUT Read Word R — — 2 N N 0000h

98h PMBUS_REVISION Read Byte R R R 1 N FIXED 11h

99h MFR_ID Read Byte R R R 1 N FIXED 4Dh

9Ah MFR_MODEL Read Byte R R R 1 N FIXED 54h

9Bh MFR_REVISION Read Word R R R 2 N FIXED (Note 4)

9Ch MFR_LOCATION Block R/W R/W R/W R/W 8 Y Y (Note 5)

9Dh MFR_DATE Block R/W R/W R/W R/W 8 Y Y (Note 5)

9Eh MFR_SERIAL Block R/W R/W R/W R/W 8 Y Y (Note 5)

D1h MFR_MODE R/W Word R/W R/W R/W 2 Y Y 0000h

D4h MFR_VOUT_PEAK R/W Word R/W — — 2 Y N 0000h

D5h MFR_IOUT_PEAK R/W Word R/W — — 2 Y N 0000h

D6h MFR_TEMPERATURE_PEAK

R/W Word — R/W — 2 Y N 8000h