ADBMS2950BCCSZ datasheet(3/97 Pages) AD

3 / 97 page

Data Sheet

ADBMS2950B

Rev. 0 | Page 3 of 97

TABLE OF CONTENTS

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

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

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

Functional Block Diagram...............................................................2

Revision History................................................................................3

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

Electrical ADC Characteristics ...................................................4

Voltage Reference Specifications.................................................7

Other Electrical Specifications....................................................8

SPI Specifications ........................................................................10

isoSPI Specifications...................................................................11

Absolute Maximum Ratings ..........................................................13

Thermal Resistance.....................................................................13

ESD Caution ................................................................................13

Pin Configuration and Function Descriptions ...........................14

Typical Performance Characteristics............................................16

Theory of Operation.......................................................................19

Serial Interface Overview...........................................................19

Network Layer of (iso)SPI Protocol..........................................22

Core State Description................................................................29

isoSPI States .................................................................................30

Power Consumption...................................................................30

ADC Measurements ...................................................................31

Overcurrent Management .........................................................44

Configuration and Status...........................................................49

General-purpose IO Pins...........................................................58

ADBMS6830B Compatible Commands ..................................65

Applications .....................................................................................67

Typical Application.....................................................................67

Providing DC Power...................................................................68

Protection Features .....................................................................69

Current Sense Inputs..................................................................70

Voltage Sense Inputs...................................................................81

High-Voltage Resistive Dividers ...............................................82

Digital Filtering ...........................................................................84

Continuous Sampling and Coulomb Counting......................92

Footprint Recommendation......................................................95

Outline Dimensions........................................................................96

Ordering Guide ...............................................................................97

REVISION HISTORY

Revision 0 | 8/2024

Initial Version

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