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AD5100YRQZ-0

System Management IC with Factory Programmed Quad Voltage Monitoring and Supervisory Functions

Analog Devices 

AD5100

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Functional Block Diagram .............................................................. 3

Specifications..................................................................................... 4

Electrical Specifications............................................................... 4

Timing Specifications .................................................................. 7

Absolute Maximum Ratings............................................................ 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

One-Time Programmable (OTP) Options ............................. 10

Theory of Operation ...................................................................... 12

Monitoring Inputs .......................................................................... 13

V1MON ............................................................................................ 13

V2MON ............................................................................................ 14

V3MON ............................................................................................ 15

V4MON ............................................................................................ 16

Watchdog Input .......................................................................... 16

Manual Reset Input .................................................................... 18

Outputs ............................................................................................ 19

REVISION HISTORY

6/10—Rev. 0 to Rev. A

Changed Programmable to Factory Programmed

Throughout ....................................................................................... 1

Changes to Features Section and General Description Section....... 1

Changes to R , IN_V2MON R , IN_V3MON R , IN_V4MON and MR Resistance

Specifications Throughout .............................................................. 4

Changes to Table 2............................................................................ 4

Changes to Table 5............................................................................ 9

Deleted Figure 18; Renumbered Sequentially ............................ 21

Changes to Rising Edge Triggered Wake-Up Mode Section .... 21

Shutdown Output, SHDN ......................................................... 19

Reset Output, RESET ................................................................. 19

Shutdown Warning, SHDNWARN.......................................... 20

V4OUT Output................................................................................ 20

Power Requirements ...................................................................... 21

Internal Power, VREG................................................................... 21

Protection .................................................................................... 22

AD5100 Register Map.................................................................... 23

I2C Serial Interface.......................................................................... 26

Writing Data to AD5100 ........................................................... 27

Reading Data from AD5100 ..................................................... 27

Temporary Override of Default Settings................................. 28

Applications Information .............................................................. 29

Car Battery and Infotainment System Supply Monitoring... 29

Battery Monitoring with Fan Control ..................................... 32

Battery State of Charge Indicator and Shutdown Early

Warning Monitoring.................................................................. 32

Rising Edge Triggered Wake-Up Mode................................... 33

Outline Dimensions ....................................................................... 35

Ordering Guide .......................................................................... 35

Automotive Products ................................................................. 35

Changes to Overcurrent Protection Section............................... 22

Changes to ADI Register Map Section ........................................ 23

Changes to Table 11 ....................................................................... 23

Changes to I2C Serial Interface Section and Table 12................ 26

Changes to Table 14 and Reading Data from AD5100 Section... 27

Deleted Figure 25............................................................................ 28

Deleted Permanent Setting ofAD5100 Registers Section ......... 30

Changes to Ordering Guide and added Automotive Products

Section.............................................................................................. 35

9/08—Revision 0: Initial Version

Rev. A | Page 2 of 36

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