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ISO154x-Q1 Low-Power Bidirectional I2C Isolators
SLLSEX0D
November 2016 – December 2022
ISO1540-Q1
,
ISO1541-Q1
PRODUCTION DATA
CONTENTS
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ISO154x-Q1 Low-Power Bidirectional I2C Isolators
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
Power Ratings
6.6
Insulation Specifications
6.7
Safety-Related Certifications
6.8
Safety Limiting Values
6.9
Electrical Characteristics
6.10
Supply Current Characteristics
6.11
Timing Requirements
6.12
Switching Characteristics
6.13
Insulation Characteristics Curves
6.14
Typical Characteristics
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.4
Isolator Functional Principle
7.4.1
Receive Direction (Left Diagram of )
7.4.2
Transmit Direction (Right Diagram of )
7.5
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
I2C Bus Overview
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
PCB Material
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Related Links
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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sllsex0d_pm
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DATA SHEET
ISO154x-Q1 Low-Power Bidirectional I2C Isolators
1
Features
Qualified for automotive applications
AEC-Q100 qualified with the following results:
Device temperature grade 1: –40°C to +125°C ambient operating temperature
Device HBM ESD classification level 3A
Device CDM ESD classification level C6
Functional Safety-Capable
Documentation available to aid functional safety system design:
ISO1540-Q1
,
ISO1541-Q1
Isolated bidirectional, I
2
C compatible, communication
Supports up to 1-MHz operation
3-V to 5.5-V supply range
Open-drain outputs With 3.5-mA Side 1 and 35-mA Side 2 sink current capability
±50-kV/µs transient immunity (Typical)
Safety-related certifications:
4242-V
PK
isolation per DIN EN IEC 60747-17 (VDE 0884-17)
2500-V
RMS
isolation for 1 minute per UL 1577
CSA approval per IEC 62368-1 end equipment standard
CQC basic insulation per GB4943.1-2011
2
Applications
Electric and hybrid-electric vehicles
Isolated I
2
C buses
SMBus and PMBus interfaces
Open-drain networks
Motor control systems
Battery management
I
2
C level shifting
