SCPS146G
October 2005 – March 2021
PCA9544A
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
I2C Interface Timing Requirements
6.7
Switching Characteristics
6.8
Interrupt Timing Requirements
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.4
Device Functional Modes
8.4.1
Power-On Reset
8.5
Programming
8.5.1
I2C Interface
8.6
Register Map
8.6.1
Control Register
8.6.1.1
Device Address
8.6.1.2
Control Register Description
8.6.1.3
Control Register Definition
8.6.1.4
Interrupt Handling
9
Application Information Disclaimer
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
10.1
Power-On Reset Requirements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DW|20
MPDS173B
PW|20
MPDS362A
RGY|20
MPQF116H
DGV|20
MPDS006C
Thermal pad, mechanical data (Package|Pins)
PW|20
QFND419A
Orderable Information
scps146g_oa
scps146g_pm
2
Applications
Servers
Routers (Telecom Switching Equipment)
Factory Automation
Products With I
2
C Slave Address Conflicts (For Example, Multiple, Identical Temp Sensors)