EVAL-ADM1276EBZ Analog Devices, EVAL-ADM1276EBZ Datasheet - Page 2

• Manufacturer Part Number: EVAL-ADM1276EBZ
• Description: Power Management IC Development Tools EVALUATION BOARD
• Manufacturer: Analog Devices
• Type: Hot Swap & Power Distributionr
• Series: ADM1276r

Specifications of EVAL-ADM1276EBZ

• Rohs: yes
• Tool Is For Evaluation Of: ADM1276
• Input Voltage: 20 V
• Factory Pack Quantity: 1

ADM1276
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
Specifications ..................................................................................... 4
Absolute Maximum Ratings ............................................................ 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 11
Typical Application Circuit ........................................................... 17
Theory of Operation ...................................................................... 18
PMBus Interface ............................................................................. 24
Serial Bus Timing Characteristics .............................................. 7
Thermal Characteristics .............................................................. 8
ESD Caution .................................................................................. 8
Powering the ADM1276 ............................................................ 18
Current Sense Inputs .................................................................. 18
Current-Limit Reference ........................................................... 19
Setting the Current Limit (ISET).............................................. 19
Soft Start ...................................................................................... 20
Foldback ....................................................................................... 20
Timer ............................................................................................ 21
Hot Swap Retry Duty Cycle ...................................................... 21
FET Gate Drive Clamps ............................................................. 21
Fast Response to Severe Overcurrent ...................................... 22
Undervoltage and Overvoltage ................................................. 22
ENABLE Input ............................................................................ 22
Power Good ................................................................................. 22
VOUT Measurement ................................................................. 23
FET Health .................................................................................. 23
Power Monitor ............................................................................ 23
Device Addressing ...................................................................... 24
SMBus Protocol Usage ............................................................... 24
Packet Error Checking ............................................................... 24
SMBus Message Formats ........................................................... 25
Group Commands ...................................................................... 26
Hot Swap Control Commands ................................................. 27
ADM1276 Information Commands ........................................ 27
Status Commands ....................................................................... 27
GPO and Alert Pin Setup Commands ..................................... 28
Rev. B | Page 2 of 48
GPO2/ ALERT2 Pin Behavior ....................................................... 33
PMBus Command Reference........................................................ 35
Power Monitor Commands ...................................................... 28
Warning Limit Setup Commands ............................................ 29
PMBus Direct Format Conversion .......................................... 30
Voltage and Current Conversion Using LSB Values .............. 32
Faults and Warnings .................................................................. 33
Generating an Alert ................................................................... 33
Handling/Clearing an Alert ...................................................... 33
SMBus Alert Response Address ............................................... 33
Example Use of SMBus Alert Response Address ................... 34
OPERATION .............................................................................. 36
CLEAR_FAULTS ........................................................................ 36
CAPABILITY .............................................................................. 36
VOUT_OV_WARN_LIMIT ..................................................... 36
VOUT_UV_WARN_LIMIT ..................................................... 36
IOUT_OC_WARN_LIMIT ...................................................... 36
IOUT_WARN2_LIMIT ............................................................. 36
VIN_OV_WARN_LIMIT ......................................................... 37
VIN_UV_WARN_LIMIT ......................................................... 37
PIN_OP_WARN_LIMIT .......................................................... 37
STATUS_BYTE .......................................................................... 37
STATUS_WORD ........................................................................ 38
STATUS_VOUT ......................................................................... 38
STATUS_IOUT .......................................................................... 38
STATUS_INPUT ........................................................................ 39
STATUS_MFR_SPECIFIC ........................................................ 39
READ_EIN .................................................................................. 40
READ_VIN ................................................................................. 40
READ_VOUT ............................................................................. 40
READ_IOUT .............................................................................. 40
READ_PIN .................................................................................. 40
PMBUS_REVISION .................................................................. 40
MFR_ID ....................................................................................... 41
MFR_MODEL ............................................................................ 41
MFR_REVISION ........................................................................ 41
PEAK_IOUT ............................................................................... 41
PEAK_VIN.................................................................................. 41
PEAK_VOUT ............................................................................. 42
PMON_CONTROL ................................................................... 42
Data Sheet