SCPS200E
July 2009 – April 2019
TCA9555
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
I2C Interface Timing Requirements
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
5-V Tolerant I/O Ports
9.3.2
Hardware Address Pins
9.3.3
Interrupt (INT) Output
9.4
Device Functional Modes
9.4.1
Power-On Reset (POR)
9.4.2
Powered-Up
9.5
Programming
9.5.1
I/O Port
9.5.2
I2C Interface
9.5.2.1
Bus Transactions
9.5.2.1.1
Writes
9.5.2.1.2
Reads
9.5.3
Device Address
9.5.4
Control Register and Command Byte
9.6
Register Maps
9.6.1
Register Descriptions
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Calculating Junction Temperature and Power Dissipation
10.2.2.2
Minimizing ICC When I/O Is Used to Control LED
10.2.2.3
Pull-Up Resistor Calculation
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
Receiving Notification of Documentation Updates
13.3
Community Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|24
MPDS363A
RGE|24
MPQF124G
DB|24
MPDS509
RTW|24
MPQF167C
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND008AA
RTW|24
QFND062N
Orderable Information
scps200e_oa
scps200e_pm
9.3
Feature Description