SLYS048B
March 2023 – August 2024
TMAG6181-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Magnetic Characteristics
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Magnetic Flux Direction
6.3.2
Sensors Location and Placement Tolerances
6.3.3
Magnetic Response
6.3.4
Parameters Definition
6.3.4.1
AMR Output Parameters
6.3.4.2
Transient Parameters
6.3.4.2.1
Power-On Time
6.3.4.3
Hall Sensor Parameters
6.3.4.4
Angle Accuracy Parameters
6.3.5
Automatic Gain Control (AGC)
6.3.6
Turns Counter
6.3.6.1
Rotation Tracking
6.3.7
Safety and Diagnostics
6.3.7.1
Device Level Checks
6.3.7.2
System Level Checks
6.4
Device Functional Modes
6.4.1
Operating Modes
6.4.1.1
Active Mode
6.4.1.2
Active-Turns Mode
6.4.1.3
Low-Power Mode
6.4.1.4
Sleep Mode
6.4.1.5
Fault Mode
7
Application and Implementation
7.1
Application Information
7.1.1
Power Supply as the Reference for External ADC
7.1.2
AMR Output Dependence on Airgap Distance
7.1.3
Calibration of Sensor Errors
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Designing with Multiple Sensors
7.2.2.1.1
Designing for Redundancy
7.2.2.1.2
Multiplexing Multiple Sensors
7.2.3
Application Curve
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slys048b_oa
slys048b_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 0: –40°C to 150°C
Functional Safety-Compliant
Developed for functional safety applications
Documentation to aid ISO 26262 system design up to ASIL B
High-accuracy, low angle error AMR sensor:
0.1° (typical)
0.4° (maximum across temperature at 3.3V)
0.56° (maximum across temperature at 5.5V)
High-speed AMR angle sensor:
Ultra low latency < 2µs supports up to 100krpm
Angle range: 180°
Low angle drift eliminates the need for calibration across temperatures
Wide operating magnetic field range: 20mT to 1T
Sine and cosine differential ratiometric analog outputs
Supports differential-ended or single-ended applications
Fast start-up time: < 40µs
Integrated Turns Counter provides rotation turns count using PWM output:
Low-power mode with turns counter enabled of 50µA
Intelligent rotation tracking enables to track up to 8krpm in low-power mode
Dedicated pin to enter sleep mode: < 5µA
Supply voltage range: 2.7V to 5.5V