SCPS285A
november 2022 – august 2023
TCAL9539-Q1
PRODUCTION DATA
1
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
Timing Requirements
6.7
I2C Bus 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
I/O Port
8.3.2
Adjustable Output Drive Strength
8.3.3
Interrupt Output (INT)
8.3.4
Reset Input (RESET)
8.3.5
Software Reset Call
8.4
Device Functional Modes
8.4.1
Power-On Reset
8.5
Programming
8.5.1
I2C Interface
8.6
Register Maps
8.6.1
Device Address
8.6.2
Control Register and Command Byte
8.6.3
Register Descriptions
8.6.4
Bus Transactions
8.6.4.1
Writes
8.6.4.2
Reads
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Minimizing ICC When I/Os Control LEDs
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
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTW|24
MPQF167C
Thermal pad, mechanical data (Package|Pins)
RTW|24
QFND125K
Orderable Information
scps285a_oa
scps285a_pm
Data Sheet
TCAL9539-Q1
Automotive Low-Voltage 16-Bit I
2
C-Bus, SMBus I/O Expander with Interrupt Output, Reset, and Configuration Registers