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TMCS1126 Precision 500kHz Hall-Effect Current Sensor With Reinforced Isolation Working Voltage, Overcurrent Detection and Ambient Field Rejection
SBOSAF3A
November 2023 – June 2024
TMCS1126
PRODUCTION DATA
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TMCS1126 Precision 500kHz Hall-Effect Current Sensor With Reinforced Isolation Working Voltage, Overcurrent Detection and Ambient Field Rejection
1
1
Features
2
Applications
3
Description
4
Device Comparison
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
Insulation Specifications
6.6
Electrical Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
7.1
Accuracy Parameters
7.1.1
Sensitivity Error
7.1.2
Offset Error and Offset Error Drift
7.1.3
Nonlinearity Error
7.1.4
Power Supply Rejection Ratio
7.1.5
Common-Mode Rejection Ratio
7.1.6
External Magnetic Field Errors
7.2
Transient Response Parameters
7.2.1
CMTI, Common-Mode Transient Immunity
7.3
Safe Operating Area
7.3.1
Continuous DC or Sinusoidal AC Current
7.3.2
Repetitive Pulsed Current SOA
7.3.3
Single Event Current Capability
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Current Input
8.3.2
Ambient Field Rejection
8.3.3
High-Precision Signal Chain
8.3.3.1
Temperature Stability
8.3.3.2
Lifetime and Environmental Stability
8.3.4
Internal Reference Voltage
8.3.5
Current-Sensing Measurable Ranges
8.3.6
Overcurrent Detection
8.4
Device Functional Modes
8.4.1
Power-Down Behavior
9
Application and Implementation
9.1
Application Information
9.1.1
Total Error Calculation Examples
9.1.1.1
Room-Temperature Error Calculations
9.1.1.2
Full-Temperature Range Error Calculations
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Device Nomenclature
10.2
Device Support
10.2.1
Development Support
10.3
Documentation Support
10.3.1
Related Documentation
10.4
Receiving Notification of Documentation Updates
10.5
Support Resources
10.6
Trademarks
10.7
Electrostatic Discharge Caution
10.8
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DVG|10
MPSS146B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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Data Sheet
TMCS1126
Precision
500kHz
Hall-Effect Current Sensor With Reinforced
Isolation
Working Voltage
, Overcurrent Detection
and Ambient Field Rejection