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ISO1042 Isolated CAN Transceiver With 70-V Bus Fault Protection and Flexible Data Rate
SLLSF09E
December 2017 – January 2020
ISO1042
PRODUCTION DATA.
CONTENTS
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ISO1042 Isolated CAN Transceiver With 70-V Bus Fault Protection and Flexible Data Rate
1
Features
2
Applications
3
Description
Application Diagram
4
Revision History
5
Pin Configuration and Functions
Pin Functions—16 Pins
Pin Functions—8 Pins
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Transient Immunity
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Power Ratings
6.7
Insulation Specifications
6.8
Safety-Related Certifications
6.9
Safety Limiting Values
6.10
Electrical Characteristics - DC Specification
6.11
Switching Characteristics
6.12
Insulation Characteristics Curves
6.13
Typical Characteristics
7
Parameter Measurement Information
7.1
Test Circuits
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
CAN Bus States
8.3.2
Digital Inputs and Outputs: TXD (Input) and RXD (Output)
8.3.3
Protection Features
8.3.3.1
TXD Dominant Timeout (DTO)
8.3.3.2
Thermal Shutdown (TSD)
8.3.3.3
Undervoltage Lockout and Default State
8.3.3.4
Floating Pins
8.3.3.5
Unpowered Device
8.3.3.6
CAN Bus Short Circuit Current Limiting
8.4
Device Functional Modes
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
Bus Loading, Length and Number of Nodes
9.2.2.2
CAN Termination
9.2.3
Application Curve
9.3
DeviceNet Application
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
PCB Material
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resource
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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DATA SHEET
ISO1042 Isolated CAN Transceiver With 70-V Bus Fault Protection and Flexible Data Rate
1
Features
Meets the ISO 11898-2:2016 physical layer standard
Supports classic CAN up to 1 Mbps and FD (Flexible Data Rate) up to 5 Mbps
Low loop delay: 152 ns
Protection features
DC bus fault protection voltage: ±70 V
HBM ESD tolerance on bus pins: ±16 kV
Driver Dominant Time Out (TXD DTO)
Undervoltage protection on V
CC1
and V
CC2
Common-Mode Voltage Range: ±30 V
Ideal passive, high impedance bus terminals when unpowered
High CMTI: 100 kV/µs
V
CC1
voltage range: 1.71 V to 5.5 V
Supports 1.8-V, 2.5-V, 3.3-V and 5.0-V logic interface to the CAN controller
V
CC2
Voltage Range: 4.5 V to 5.5 V
Robust Electromagnetic Compatibility (EMC)
System-level ESD, EFT, and surge immunity
Low emissions
Ambient Temperature Range: –40°C to +125°C
16-SOIC and 8-SOIC package options
Automotive version available:
ISO1042-Q1
Safety-related certifications:
7071-V
PK
V
IOTM
and 1500-V
PK
V
IORM
(Reinforced and Basic Options) per DIN VDE V 0884-11:2017-01
5000-V
RMS
Isolation for 1 Minute per UL 1577
IEC 60950-1, IEC 60601-1 and EN 61010-1 certifications
CQC, TUV and CSA certifications
2
Applications
AC and servo drives
Solar inverters
PLC and DCS communication modules
Elevators and escalators
Industrial power supplies
Battery charging and management