SLYS053C November   2023  – May 2025 TMAG3001

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Temperature Sensor
    7. 5.7  Magnetic Characteristics For A1
    8. 5.8  Magnetic Characteristics For A2
    9. 5.9  Magnetic Temp Compensation Characteristics
    10. 5.10 I2C Interface Timing
    11. 5.11 Power up Timing
    12. 5.12 Timing Diagram
    13. 5.13 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Magnetic Flux Direction
      2. 6.3.2 Sensor Location
      3. 6.3.3 Interrupt Function
      4. 6.3.4 Wake on Change
      5. 6.3.5 Device I2C Address
      6. 6.3.6 Magnetic Range Selection
      7. 6.3.7 Update Rate Settings
    4. 6.4 Device Functional Modes
      1. 6.4.1 Standby (Trigger) Mode
      2. 6.4.2 Sleep Mode
      3. 6.4.3 Wake-Up and Sleep (W&S) Mode
      4. 6.4.4 Continuous Measure Mode
    5. 6.5 Programming
      1. 6.5.1 I2C Interface
        1. 6.5.1.1 Conversion Trigger
        2. 6.5.1.2 Bus Transactions
          1. 6.5.1.2.1 Three Channels I2C Write
          2. 6.5.1.2.2 General Call Write
          3. 6.5.1.2.3 Standard I2C Read
          4. 6.5.1.2.4 I2C Read Command for 16-Bit Data
          5. 6.5.1.2.5 I2C Read Command for 8-Bit Data
          6. 6.5.1.2.6 I2C Read CRC
      2. 6.5.2 Data Definition
        1. 6.5.2.1 Magnetic Sensor Data
        2. 6.5.2.2 Temperature Sensor Data
        3. 6.5.2.3 Magnetic Sensor Gain Correction
        4. 6.5.2.4 Magnetic Sensor Offset Correction
        5. 6.5.2.5 Angle and Magnitude Data Definition
        6. 6.5.2.6 Angle Offset Correction
  8. 7 Register Maps
    1. 7.1 TMAG3001 Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Select the Sensitivity Option
      2. 8.1.2 Temperature Compensation for Magnets
      3. 8.1.3 Sensor Conversion
        1. 8.1.3.1 Continuous Conversion
        2. 8.1.3.2 Trigger Conversion
        3. 8.1.3.3 Pseudo-Simultaneous Sampling
      4. 8.1.4 Magnetic Limit Check
      5. 8.1.5 Magnitude Limit Check
      6. 8.1.6 Angle Limit Check
      7. 8.1.7 Switch Mode
        1. 8.1.7.1 Unipolar Switch Mode
        2. 8.1.7.2 Omnipolar Switch Mode
        3. 8.1.7.3 Tamper Detection
        4. 8.1.7.4 Angle Switch
        5. 8.1.7.5 Magnitude Switch (Button Press Detection)
      8. 8.1.8 Error Calculation During Linear Measurement
      9. 8.1.9 Error Calculation During Angular Measurement
    2. 8.2 Typical Application
      1. 8.2.1 Angle Measurement
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Gain Adjustment for Angle Measurement
        3. 8.2.1.3 Application Curves
    3. 8.3 Best Design Practices
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.5 Electrical Characteristics

Over free–air temperature range and VCC = 1.65V to 3.6V (unless otherwise noted); Typical specification are at TA = 25°C and VCC = 3.3V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I/O Characteristics
VOL Output LOW voltage, SDA, INT pin IOUT = 2mA 0 0.4 V
VIH Input HIGH voltage VCC = 1.65V to 1.9V 0.7 × VCC V
VCC = 2.3V to 3.6V 0.65 × VCC V
VIL Input LOW voltage VCC = 1.65V to 1.9V 0.3 × VCC V
VCC = 2.3V to 3.6V 0.35 × VCC V
IOZ Output leakage current, SDA, INT pin Output disabled
VOZ = 5.5V		 ±100 nA
tFALL_INT INT output fall time RPU = 10kΩ
CL = 20pF		 6 ns
tINT (INT) INT Interrupt time duration during pulse mode INT_Mode[2:0] = 1h or 2h 10 µs
tINT (SCL) SCL Interrupt time duration INT_Mode[2:0] = 3h or 4h 10 µs
CIN Input capacitance fs = 1MHz 7.5 pF
DC POWER SECTION
IACTIVE Active mode current
X, Y, Z, or thermal sensor active conversion		 LP_LN = 0h
VCC = 1.8V		 2.1 3.5 mA
LP_LN = 1h
VCC = 1.8V		 2.8 4.5 mA
LP_LN = 0h
VCC = 3.3V		 2.4 4 mA
LP_LN = 1h
VCC = 3.3V		 3.0 4.8 mA
ISTANDBY Stand-by mode current Device in trigger mode, no conversion started 0.45 1 mA
ISLEEP Sleep mode current 40 nA
AVERAGE POWER DURING DUTY-CYCLE MODE
ICC_DCM W&S mode current consumption
Wake-up interval of 5000ms
LP_LN = 0h		 Magnetic 1-channel conversion
VCC = 1.8V		 0.4 1.1 µA
Magnetic 1-channel conversion
VCC = 3.3V		 0.5 1.3 µA
W&S mode current consumption
Wake-up interval of 1ms
Conv_AVG[2:0] = 0h
LP_LN = 0h		 Magnetic 1-channel conversion
VCC = 3.3V		 110 250 µA
Magnetic 4-channel conversion
VCC = 3.3V		 230 375 µA