AD5100YRQZ(Rev0) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD5100YRQZ
(Rev.:Rev0)

System Management IC with Programmable 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

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

REVISION HISTORY

9/08—Revision 0: Initial Version

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

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

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

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

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

VOTP............................................................................................... 21

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

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

I2C Serial Interface.......................................................................... 27

Writing Data to AD5100 ........................................................... 28

Reading Data from AD5100 ..................................................... 28

Permanent Setting of AD5100 Registers (OTP Function) ... 29

Temporary Override of Default Settings................................. 29

Applications Information .............................................................. 30

Car Battery and Infotainment System Supply Monitoring... 30

Battery Monitoring with Fan Control ..................................... 33

Battery State of Charge Indicator and Shutdown Early

Warning Monitoring.................................................................. 33

Rising Edge Triggered Wake-Up Mode................................... 34

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

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

Rev. 0 | Page 2 of 36

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