MAX34451 datasheet(54/76 Pages) MAXIM

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Delay Function

If a delay is configured either on or off, the input must

be continuously static through the delay time before the

outputchangesstate.SeetheFigure9.

MFR_VOUT_PEAK (D4h)

TheMFR_VOUT_PEAKcommandreturnsthemaximum

actualmeasuredoutputvoltage.Toresetthisvalueto0,

writetothiscommandwithadatavalueof0.Anyvalues

written to this command are used as a comparison for

future peak updates. The 2 data bytes are in DIRECT

format.

MFR_IOUT_PEAK (D5h)

The MFR_IOUT_PEAK command returns the maximum

actualmeasuredcurrent.Toresetthisvalueto0,writeto

thiscommandwithadatavalueof0.Anyvalueswrittento

this command are used as a comparison for future peak

updates.The2databytesareinDIRECTformat.

MFR_TEMPERATURE_PEAK (D6h)

TheMFR_TEMPERATURE_PEAKcommandreturnsthe

maximum measured temperature. To reset this value to

its lowest value, write to this command with a data value

of8000h.Anyothervalueswrittenbythiscommandare

used as a comparison for future peak updates. The 2 data

bytesareinDIRECTformat.

MFR_VOUT_MIN (D7h)

The MFR_VOUT_MIN command returns the minimum

actual measured output voltage. To reset this value, write

tothiscommandwithadatavalueof7FFFh.Anyvalues

written to this command are used as a comparison for

futureminimumupdates.The2databytesareinDIRECT

format.

MFR_FW_SERIAL (E0h)

The MFR_FW_SERIAL command stores the internal

firmware version loaded onto the device. This is a 16-bit

unsigned integer. The command is read-only.

MFR_IOUT_AVG (E2h)

The MFR_IOUT_AVG command returns the calculated

average current. The number of samples collected in the

average before reporting the value in MFR_IOUT_AVG

isconfigured using theIOUT_AVGbitsin MFR_MODE.

Writestothiscommandareignored.The2databytesare

inDIRECTformat.

MFR_NV_LOG_CONFIG (D8h)

The MFR_NV_LOG_CONFIG command is used to

configure the operation of the nonvolatile fault logging in

the device. The MFR_NV_LOG_CONFIG command is

described in Table28.

Figure 9. Input-to-Output Delay Action

INPUT

OUTPUT

ON DELAY

OFF DELAY

MAX34451

PMBus 16-Channel V/I Monitor and

12-Channel Sequencer/Marginer

www.maximintegrated.com

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