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TCA9517-Q1 Level-Shifting I2C Bus Repeater
SCPS237A
June 2018 – February 2022
TCA9517-Q1
PRODUCTION DATA
CONTENTS
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TCA9517-Q1 Level-Shifting I2C Bus Repeater
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Pin Configuration and 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
Timing Requirements
7.7
I2C Interface 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
Two-Channel Bidirectional Buffer
9.3.2
Active-High Repeater-Enable Input
9.3.3
VOL B-Side Offset Voltage
9.3.4
Standard Mode and Fast Mode Support
9.3.5
Clock Stretching Support
9.4
Device Functional Modes
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
Clock Stretching Support
10.2.2.2
VILC and Pullup Resistor Sizing
10.2.3
Application Curve
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps237a_oa
scps237a_pm
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DATA SHEET
TCA9517-Q1 Level-Shifting I2C Bus Repeater
1
Features
AEC-Q100 Qualified for automotive applications
Device temperature: –40°C to 125°C T
A
Device HBM classification Level: ±5500-V
Device CDM classification Level: ±1000-V
Functional Safety-Capable
Documentation available to aid functional safety system design
Two-channel bidirectional buffer
I
2
C Bus and SMBus compatible
Operating Supply Voltage Range of 0.9-V to
5.25-V on A-side
Operating supply voltage range of 2.7-V to
5.25-V on B-side
Voltage-level translation from 0.9-V to 5.25-V and 2.7-V to 5.25-V
Active-high repeater-enable input
Open-drain I
2
C I/O
5.25-V tolerant I
2
C and enable input support mixed-mode signal operation
Accommodates standard mode and fast mode I
2
C devices and multiple controller
High-impedance I
2
C pins when powered-off
Latch-up performance exceeds 100 mA Per JESD 78, class II
2
Applications
Servers
Routers (
telecom switching equipment
)
Industrial equipment
Products with Many I
2
C targets and/or long PCB traces
