SCPS234A
September 2016 – February 2023
TCA6408A-Q1
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
Reset Timing Requirements
6.8
Switching Characteristics
6.9
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Voltage Translation
8.3.2
I/O Port
8.3.3
Interrupt Output ( INT)
8.3.4
Reset Input ( RESET)
8.4
Device Functional Modes
8.4.1
Power-On Reset (POR)
8.4.2
Powered-Up
8.5
Programming
8.5.1
I2C Interface
8.5.2
Bus Transactions
8.5.2.1
Writes
8.5.2.2
Reads
8.6
Register Map
8.6.1
Device Address
8.6.2
Control Register and Command Byte
8.6.3
Register Descriptions
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.1.1
Calculating Junction Temperature and Power Dissipation
9.2.1.2
Minimizing ICC When I/O is Used to Control LEDs
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.3.1
Power-On Reset Requirements
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Trademarks
10.3
Electrostatic Discharge Caution
10.4
Glossary
11
Support Resources
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|16
MPDS361A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps234a_oa
scps234a_pm
6.7
Reset Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted) (see
Figure 7-4
)
MIN
MAX
UNIT
I
2
C BUS—STANDARD and FAST MODE
t
W
Reset pulse duration
40
ns
t
REC
Reset recovery time
0
ns
t
RESET
Time to reset
600
ns