SLYS045A
June 2021 – September 2021
TMAG5273
PRODUCTION DATA
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
Electrical Characteristics
6.6
Temperature Sensor
6.7
Magnetic Characteristics For A1
6.8
Magnetic Characteristics For A2
6.9
Magnetic Temp Compensation Characteristics
6.10
I2C Interface Timing
6.11
Power up & Conversion Time
6.12
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Magnetic Flux Direction
7.3.2
Sensor Location
7.3.3
Interrupt Function
7.3.4
Device I2C Address
7.3.5
Magnetic Range Selection
7.3.6
Update Rate Settings
7.4
Device Functional Modes
7.4.1
Stand-by (Trigger) Mode
7.4.2
Sleep Mode
7.4.3
Wake-up and Sleep (W&S) Mode
7.4.4
Continuous Measure Mode
7.5
Programming
7.5.1
I2C Interface
7.5.1.1
SCL
7.5.1.2
SDA
7.5.1.3
I2C Read/Write
7.5.1.3.1
Standard I2C Write
7.5.1.3.2
General Call Write
7.5.1.3.3
Standard 3-Byte I2C Read
7.5.1.3.4
1-Byte I2C Read Command for 16-Bit Data
7.5.1.3.5
1-Byte I2C Read Command for 8-Bit Data
7.5.1.3.6
I2C Read CRC
7.5.2
Data Definition
7.5.2.1
Magnetic Sensor Data
7.5.2.2
Temperature Sensor Data
7.5.2.3
Angle and Magnitude Data Definition
7.5.2.4
Magnetic Sensor Offset Correction
7.6
Register Map
7.6.1
TMAG5273 Registers
8
Application and Implementation
8.1
Application Information
8.1.1
Select the Sensitivity Option
8.1.2
Temperature Compensation for Magnets
8.1.3
Sensor Conversion
8.1.3.1
Continuous Conversion
8.1.3.2
Trigger Conversion
8.1.3.3
Pseudo-Simultaneous Sampling
8.1.4
Magnetic Limit Check
8.1.5
Error Calculation During Linear Measurement
8.1.6
Error Calculation During Angular Measurement
8.2
Typical Application
8.2.1
Magnetic Tamper Detection
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
I2C Address Expansion
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.3
Angle Measurement
8.2.3.1
Design Requirements
8.2.3.2
Detailed Design Procedure
8.2.3.2.1
Gain Adjustment for Angle Measurement
8.2.3.3
Application Curves
8.3
What to Do and What Not to Do
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026M
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slys045a_oa
slys045a_pm
1
Features
Configurable power modes including:
2.3-mA active mode current
1-µA wake-up and sleep mode current
5-nA sleep mode current
Selectable linear magnetic range at X, Y, or Z axis:
TMAG5273x1: ±40 mT, ±80 mT
TMAG5273x2: ±133 mT, ±266 mT
Interrupt signal from user-defined magnetic and temperature threshold cross
5% (typical)
sensitivity drift
Integrated angle CORDIC calculation with gain and offset adjustment
20-kSPS single axis conversion rate
Configurable averaging up to 32x for noise reduction
Conversion trigger by I
2
C or dedicated
INT
pin
Optimized I
2
C interface with cyclic redundancy check (CRC):
Maximum 1-MHz I
2
C clock speed
Special I
2
C frame reads for improved throughput
Factory-programmed and user-configurable I
2
C addresses
Integrated temperature compensation for multiple magnet types
Built-in temperature sensor
1.7-V to 3.6-V
supply voltage V
CC
range
Operating temperature range: –40℃ to +125℃