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MIC-3890 Startup Manual  3

                           M12                                 Wago

   Power on Sequence

Command name

Command  

code

SMBus transaction 

type: writing data

SMBus transaction 

type: reading data

Number of 

data bytes

PMBUS_CMD_READ_VOUT

0x8B

N/A

Read Word

2

PMBUS_CMD_READ_IOUT

0x8C

N/A

Read Word

2

PMBUS_CMD_READ_TEMPE RATURE_1

0x8D

N/A

Read Word

2

Note:        1. SlaveID: 0x6A. 

2. Communication data tolerance: VOUT tolerance ±0.2V; IOUT tolerance ≤±0.2A.

 

3. Communication data unit: VOUT unit is mV; IOUT unit is mA; temperature unit is °C. 

4 Temperature takes two bytes. If the high byte is 0, the low byte is positive temperature. If the high byte is not 0, 

the low byte data is negative temperature.  

5. The PMBus communication function is reserved by BOM option.

Boundary dimension: 

length x width×height = 172.06×128.4×40.32±0.3mm (unit: mm). 

   

PMBUS Specification

   Dimension

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