Rainbow-electronics MAX34440 Manual de usuario

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PMBus 6-Channel Power-Supply ManagerMAX3444010 Pin Descriptio

PMBus 6-Channel Power-Supply ManagerMAX3444011 Pin Description (continued)PIN NAME

PMBus 6-Channel Power-Supply ManagerMAX3444012 Block DiagramNot

PMBus 6-Channel Power-Supply ManagerMAX3444013 Multiple Device Connection DiagramSDASCLRSTALERTA

PMBus 6-Channel Power-Supply ManagerMAX3444014Table 1. PMBus Command Codes Detailed DescriptionThe MAX34440 is a highly inte

PMBus 6-Channel Power-Supply ManagerMAX3444015Table 1. PMBus Command Codes (continued)Note 1: Common commands are shaded. Access through any page res

PMBus 6-Channel Power-Supply ManagerMAX3444016Address SelectOn device power-up, the device samples the A0 and A1 pins to determine the PMBus/SMBus ser

PMBus 6-Channel Power-Supply ManagerMAX3444017Group CommandThe device supports the group command. With the group command, a host can write

PMBus 6-Channel Power-Supply ManagerMAX3444018Host Sends or Reads Too Few BitsIf for any reason the host does not complete writing a full byte or read

PMBus 6-Channel Power-Supply ManagerMAX3444019Host Reads from a Write-Only CommandWhen a read request is issued to a write-only command (CLEA

PMBus 6-Channel Power-Supply ManagerMAX344402TABLE OF CONTENTSAbsolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PMBus 6-Channel Power-Supply ManagerMAX3444020Sending a DIRECT Format ValueTo send a value, the host must use the below equation to solve for Y:Y = (m

PMBus 6-Channel Power-Supply ManagerMAX3444021Fault Management and ReportingFor reporting faults/warnings to the host on a real-time basis, the

PMBus 6-Channel Power-Supply ManagerMAX3444022Temperature Sensor OperationThe device can monitor up to eight different temperature sensors, seven ex

PMBus 6-Channel Power-Supply ManagerMAX3444023Table 7. Page Commands

PMBus 6-Channel Power-Supply ManagerMAX3444024Table 8. OPERATION Command Byte (When Bit 3 of ON_OFF_CONFIG = 1)Table 9. OPERATION Command Byte (When B

PMBus 6-Channel Power-Supply ManagerMAX3444025ON_OFF_CONFIG (02h)The ON_OFF_CONFIG command configures the combination of CONTROL input and PMBus OPERA

PMBus 6-Channel Power-Supply ManagerMAX3444026STORE_DEFAULT_ALL (11h)The STORE_DEFAULT_ALL command instructs the device to transfer the device configu

PMBus 6-Channel Power-Supply ManagerMAX3444027VOUT_MARGIN_LOW (26h)The VOUT_MARGIN_LOW command loads the device with the voltage to which t

PMBus 6-Channel Power-Supply ManagerMAX3444028VOUT_OV_FAULT_LIMIT (40h)The VOUT_OV_FAULT_LIMIT command sets the value of the output voltage that cause

PMBus 6-Channel Power-Supply ManagerMAX3444029IOUT_OC_WARN_LIMIT (46h)The IOUT_OC_WARN_LIMIT command sets the value of the current that causes an over

PMBus 6-Channel Power-Supply ManagerMAX344403TABLE OF CONTENTS (continued)PMBus Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PMBus 6-Channel Power-Supply ManagerMAX3444030OT_WARN_LIMIT (51h)The OT_WARN_LIMIT command sets the temperature, in degrees Celsius, of the selected t

PMBus 6-Channel Power-Supply ManagerMAX3444031POWER_GOOD_OFF (5Fh)The POWER_GOOD_OFF command sets the value of the output voltage that causes the PG o

PMBus 6-Channel Power-Supply ManagerMAX3444032Table 16. STATUS_BYTESTATUS_BYTE (78h)The STATUS_BYTE command returns 1 byte of information with a summa

PMBus 6-Channel Power-Supply ManagerMAX3444033STATUS_VOUT (7Ah)The STATUS_VOUT command returns 1 byte of information with contents as described in Tab

PMBus 6-Channel Power-Supply ManagerMAX3444034READ_VOUT (8Bh)The READ_VOUT command returns the actual measured (not commanded) output voltage. READ_VO

PMBus 6-Channel Power-Supply ManagerMAX3444035MFR_MODE (D1h)The MFR_MODE command is used to configure the device to support manufacturer specific comm

PMBus 6-Channel Power-Supply ManagerMAX3444036MFR_VOUT_PEAK (D4h)The MFR_VOUT_PEAK command returns the maximum actual measured output voltage. To rese

PMBus 6-Channel Power-Supply ManagerMAX3444037MFR_FAULT_RETRY (DAh)The MFR_FAULT_RETRY command sets the delay time between a power supply being shut d

PMBus 6-Channel Power-Supply ManagerMAX3444038If an error occurs while the device is attempting to write or clear the NV_FAULT_LOG, the device sets th

PMBus 6-Channel Power-Supply ManagerMAX3444039Table 24. MFR_NV_FAULT_LOG (continued)Note: LOG_VALID is set to DDh if the fault log contains valid data

PMBus 6-Channel Power-Supply ManagerMAX344404TABLE OF CONTENTS (continued)MFR_MODEL (9Ah) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PMBus 6-Channel Power-Supply ManagerMAX3444040MFR_TIME_COUNT (DDh)The MFR_TIME_COUNT command returns the number of seconds the device has been operati

PMBus 6-Channel Power-Supply ManagerMAX3444041MFR_TEMP_SENSOR_CONFIG (F0h)The MFR_TEMP_SENSOR_CONFIG command is used to configure the temperature sens

PMBus 6-Channel Power-Supply ManagerMAX3444042 Package InformationFor th

PMBus 6-Channel Power-Supply ManagerMAX34440Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Ma

PMBus 6-Channel Power-Supply ManagerMAX344405LIST OF TABLESTable 1. PMBus Command Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PMBus 6-Channel Power-Supply ManagerMAX344406Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device

PMBus 6-Channel Power-Supply ManagerMAX344407DC ELECTRICAL CHARACTERISTICS (continued)(VDD = 2.7V to 5.5V, TA = -40NC to +85NC, unless otherwise noted

PMBus 6-Channel Power-Supply ManagerMAX344408I2C/SMBus INTERFACE ELECTRICAL SPECIFICATIONS(VDD = 2.7V to 5.5V, TA = -40NC to +85NC, unless otherwise n

PMBus 6-Channel Power-Supply ManagerMAX344409 Typical Operating Characteristics(TA = +25°C, u