ADM1169 Analog Devices, ADM1169 Datasheet - Page 2

• Manufacturer Part Number: ADM1169
• Description: Super Sequencer and Monitor with Margining Control and Non-Volatile Fault Recording
• Manufacturer: Analog Devices

Specifications of ADM1169

• # Supplies Monitored: 8
• Volt Monitoring Accuracy: 1%
• # Output Drivers: 8
• Fet Drive/enable Output: Both
• Voltage Readback: 12-bit ADC
• Supply Adj/margining: 12-bit ADC+4 DACs
• Package: 32 ld LQFP,40 ld LFCSP

ADM1169
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Detailed Block Diagram .................................................................. 3
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ........................................... 10
Powering the ADM1169 ................................................................ 13
Inputs................................................................................................ 14
Outputs ............................................................................................ 17
Sequencing Engine ......................................................................... 18
REVISION HISTORY
4/11—Revision 0: Initial Version
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
Supply Supervision..................................................................... 14
Programming the Supply Fault Detectors............................... 14
Input Comparator Hysteresis.................................................... 15
Input Glitch Filtering ................................................................. 15
Supply Supervision with VXx Inputs....................................... 16
VXx Pins as Digital Inputs ........................................................ 16
Supply Sequencing Through Configurable Output Drivers. 17
Default Output Configuration.................................................. 17
Overview...................................................................................... 18
Warnings...................................................................................... 18
SMBus Jump (Unconditional Jump)........................................ 18
Rev. 0 | Page 2 of 36
Voltage Readback............................................................................ 22
Supply Margining ........................................................................... 23
Applications Diagram .................................................................... 25
Communicating with the ADM1169........................................... 26
Outline Dimensions ....................................................................... 33
Sequencing Engine Application Example ............................... 19
Fault and Status Reporting........................................................ 20
Nonvolatile Black Box Fault Recording................................... 20
Black Box Writes with No External Supply ............................ 21
Supply Supervision with the ADC ........................................... 22
Overview ..................................................................................... 23
Open-Loop Supply Margining ................................................. 23
Closed-Loop Supply Margining ............................................... 23
Writing to the DACs .................................................................. 24
Choosing the Size of the Attenuation Resistor....................... 24
DAC Limiting and Other Safety Features ............................... 24
Configuration Download at Power-Up................................... 26
Updating the Configuration ..................................................... 26
Updating the Sequencing Engine............................................. 27
Internal Registers........................................................................ 27
EEPROM ..................................................................................... 27
Serial Bus Interface..................................................................... 28
SMBus Protocols for RAM and EEPROM.............................. 29
Write Operations ........................................................................ 30
Read Operations......................................................................... 31
Ordering Guide .......................................................................... 33