LTM4677 datasheet(3/110 Pages) AD

3 / 110 page

LTC3888-1

Rev. 0

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TABLE OF CONTENTS

Status and Fault Log Management .........................64

LTpowerPlay – An Interactive Digital Power GUI.....64

Interfacing to the DC1613 .......................................65

Design Example......................................................66

PMBus Command Details ...............................70

Addressing and Write Protect.................................70

PAGE ..................................................................70

PAGE_PLUS_WRITE ..........................................70

PAGE_PLUS_READ............................................71

WRITE_PROTECT...............................................71

MFR_ADDRESS .................................................72

MFR_RAIL_ADDRESS .......................................72

General Device Configuration .................................72

PMBUS_REVISION.............................................72

CAPABILITY........................................................72

MFR_CONFIG_ALL.............................................73

On, Off and Margin Control.....................................73

ON_OFF_CONFIG................................................73

OPERATION........................................................ 74

MFR_RESET....................................................... 74

PWM Configuration ................................................75

FREQUENCY_SWITCH........................................75

MFR_CHAN_CONFIG..........................................76

MFR_PWM_CONFIG_LTC3888-1.......................76

MFR_PWM_MODE_LTC3888-1 .........................79

MFR_PWM_COMP.............................................80

Input Voltage and Limits.........................................81

VIN_ON ..............................................................81

VIN_OFF .............................................................81

VIN_OV_FAULT_LIMIT........................................81

VIN_UV_WARN_LIMIT .......................................81

Output Voltage and Limits ......................................82

VOUT_MODE ......................................................82

VOUT_COMMAND ..............................................82

VOUT_MAX ........................................................82

MFR_VOUT_MAX...............................................83

VOUT_MARGIN_HIGH........................................83

VOUT_MARGIN_LOW.........................................83

VOUT_SCALE_LOOP ..........................................83

VOUT_OV_FAULT_LIMIT ....................................83

VOUT_OV_WARN_LIMIT ....................................83

VOUT_UV_WARN_LIMIT....................................84

VOUT_UV_FAULT_LIMIT ....................................84

Output Current and Limits ......................................85

IOUT_CAL_GAIN ................................................85

MFR_LOAD_EMULATION...................................85

MFR_LOAD_EMULATION.......................................85

IOUT_OC_FAULT_LIMIT .....................................86

IOUT_OC_WARN_LIMIT.....................................86

Output Timing, Delays, and Ramping .....................87

MFR_RESTART_DELAY......................................87

TON_DELAY .......................................................87

TON_MAX_FAULT_LIMIT...................................87

VOUT_TRANSITION_RATE.................................88

TOFF_DELAY ......................................................88

TOFF_MAX_WARN_LIMIT..................................88

External Temperature and Limits............................89

MFR_TEMP_1_GAIN...........................................89

MFR_TEMP_1_OFFSET.......................................89

OT_FAULT_LIMIT................................................89

OT_WARN_LIMIT ...............................................89

Status Reporting.....................................................90

STATUS_BYTE....................................................90

STATUS_WORD..................................................91

STATUS_VOUT ...................................................91

STATUS_IOUT ....................................................92

STATUS_INPUT ..................................................92

STATUS_TEMPERATURE....................................92

STATUS_CML.....................................................93

STATUS_MFR_SPECIFIC....................................93

MFR_PADS_LTC3888-1 .....................................94

MFR_COMMON..................................................94

MFR_INFO..........................................................95

CLEAR_FAULTS..................................................95

Telemetry................................................................96

READ_VIN ..........................................................96

MFR_VIN_PEAK .................................................97

READ_VOUT.......................................................97

MFR_VOUT_PEAK..............................................97

READ_IOUT........................................................97

MFR_IOUT_PEAK...............................................97

MFR_TOTAL_IOUT .............................................97

MFR_READ_ALL_IOUT......................................97

READ_TEMPERATURE_1 ...................................98

MFR_TEMPERATURE_1_PEAK ..........................98

READ_TEMPERATURE_2...................................98

MFR_TEMPERATURE_2_PEAK..........................98

READ_FREQUENCY............................................98

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