Datasheet

MAX34451 PMBus 16-Channel V/I Monitor and
12-Channel Sequencer/Marginer
www.maximintegrated.com
Maxim Integrated │ 8
Pin Description (continued)
PIN* NAME TYPE** FUNCTION
7 V
DDA
Power AnalogSupplyVoltage.BypassV
DDA
toV
SS
with0.1µF.ConnecttoV
DD
.
8 N.C. —
NoConnection.Donotconnectanysignaltothispin.
9 V
SS
Power GroundReference.MustbeconnectedtoEP(exposedpad).
10 FAULT0 DIO
FaultInput/Output0.Open-drain,active-lowI/O.SeetheExpanded Pin Description
section for more details.
11 CONTROL0 AI
Power-SupplyMasterOn/OffControlInput0.Activeloworactivehighbasedon
ON_OFF_CONFIGcommand.ConnecttoV
SS
if unused.
12 RST DIO
Active-LowResetInput/Output.Containsaninternalpullup.
13
PSEN11 DO
Power-SupplyEnable11.SeetheExpanded Pin Description section for more details.
GPO11 DO
General-PurposeOutput11
SEQ DIO
SequencingInput/Output.Open-drain,active-lowI/O.Thispinisusedasahandshake
signal to coordinate sequencing in systems using multiple devices.
14
RS15 AI
ADCVoltage-SenseInput15.ConnecttoV
SS
if unused.
GPI15 AI
General-PurposeInput15.ConnecttoV
SS
if unused.
15 SDA DIO I
2
C/SMBus-CompatibleInput/Output.Open-drainoutput.
16 SCL DIO I
2
C/SMBus-CompatibleClockInput/Output.Open-drainoutput.
17 V
DD
Power DigitalSupplyVoltage.BypassV
DD
toV
SS
with0.1µF.ConnecttoV
DDA
.
18 REG18 Power
RegulatorforDigitalCircuitry.BypasstoV
SS
with1µFand10nF(500mΩmaximum
ESR).Donotconnectothercircuitrytothispin.
19
PSEN10 DO
Power-SupplyEnable10.SeetheExpanded Pin Description section for more details.
GPO10 DO
General-PurposeOutput10
FAULT2 DIO
FaultInput/Output2.Open-drain,active-lowI/O.SeetheExpanded Pin Description
section for more details.
20
RS14 AI
ADCVoltage-SenseInput14.ConnecttoV
SS
if unused.
GPI14 AI
General-PurposeInput14.ConnecttoV
SS
if unused.
21 MSCL DIO Master I
2
CClockInput/Output.Open-drainoutput.
22 MSDA DIO Master I
2
CDataInput/Output.Open-drainoutput.
23 N.C. — NoInternalConnection
24
PWM0 DO
PWMMarginOutput0.SeetheExpanded Pin Description section for more details.
GPO12 DO
General-PurposeOutput12
25
PWM1 DO
PWMMarginOutput1.SeetheExpanded Pin Description section for more details.
GPO13 DO
General-PurposeOutput13
26
PWM2 DO
PWMMarginOutput2.SeetheExpanded Pin Description section for more details.
GPO14 DO
General-PurposeOutput14
27
PWM3 DO
PWMMarginOutput3.SeetheExpanded Pin Description section for more details.
GPO15 DO
General-PurposeOutput15
28
PWM4 DO
PWMMarginOutput4.SeetheExpanded Pin Description section for more details.
GPO16 DO
General-PurposeOutput16