SBOS790 April   2017 INA233

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 High-Accuracy Analog-to-Digital Convertor (ADC)
      2. 7.3.2 Interleaved Power Calculation
      3. 7.3.3 Power Accumulator and Energy Measurement
      4. 7.3.4 I2C-, SMBus-, and PMBus-Compatible Digital Interface
      5. 7.3.5 Multiple Fault Event Reporting
    4. 7.4 Device Functional Modes
      1. 7.4.1 Continuous verses Triggered Operation
      2. 7.4.2 Device Shutdown
      3. 7.4.3 Averaging and Conversion Time Considerations
      4. 7.4.4 Filtering and Input Considerations
    5. 7.5 Programming
      1. 7.5.1 Default Settings
      2. 7.5.2 Calibration Register and Scaling
      3. 7.5.3 Reading and Writing Telemetry Data and Warning Thresholds
      4. 7.5.4 Reading Telemetry Data and Warning Thresholds
        1. 7.5.4.1 Writing Telemetry Data and Warning Thresholds
      5. 7.5.5 System-Level Calibration With MFR_CALIRATION Command
      6. 7.5.6 Bus Overview
        1. 7.5.6.1 Serial Bus Address
        2. 7.5.6.2 Serial Interface
        3. 7.5.6.3 Writing to and Reading From the INA233
          1. 7.5.6.3.1 Packet Error Checking
          2. 7.5.6.3.2 Bus Timing Requirements
        4. 7.5.6.4 SMBus Alert Response
    6. 7.6 Register Maps
      1. 7.6.1 PMBus Command Support
      2. 7.6.2 Standard PMBus Commands
        1. 7.6.2.1  CLEAR_FAULTS (03h)
        2. 7.6.2.2  RESTORE_DEFAULT_ALL (12h)
        3. 7.6.2.3  CAPABILITY (19h)
        4. 7.6.2.4  IOUT_OC_WARN_LIMIT (4Ah) [default = 01111111 11111000]
        5. 7.6.2.5  VIN_OV_WARN_LIMIT (57h) [default = 01111111 11111000]
        6. 7.6.2.6  VIN_UV_WARN_LIMIT (58h) [default = 00000000 00000000]
        7. 7.6.2.7  PIN_OP_WARN_LIMIT (6Bh) [default = 11111111 11110000]
        8. 7.6.2.8  STATUS_BYTE (78h)
        9. 7.6.2.9  STATUS_WORD (79h)
        10. 7.6.2.10 STATUS_IOUT (7Bh)
        11. 7.6.2.11 STATUS_INPUT (7Ch)
        12. 7.6.2.12 STATUS_CML (7Eh)
        13. 7.6.2.13 STATUS_MFR_SPECIFIC (80h)
        14. 7.6.2.14 READ_EIN (86h)
        15. 7.6.2.15 READ_VIN (88h)
        16. 7.6.2.16 READ_IIN (89h)
        17. 7.6.2.17 READ_VOUT (8Bh)
        18. 7.6.2.18 READ_IOUT (8Ch, R)
        19. 7.6.2.19 READ_POUT (96h, R)
        20. 7.6.2.20 READ_PIN (97h, R)
        21. 7.6.2.21 MFR_ID (99h)
        22. 7.6.2.22 MFR_MODEL (9Ah)
        23. 7.6.2.23 MFR_REVISION (9Bh)
      3. 7.6.3 Manufacturer-Specific PMBus Commands
        1. 7.6.3.1 MFR_ADC_CONFIG (D0h) [default = 01000001 00100111]
        2. 7.6.3.2 MFR_READ_VSHUNT (D1h) [default = 00000000 00000000]
        3. 7.6.3.3 MFR_ALERT_MASK (D2h) [default = XXXXXXXX 11110000]
        4. 7.6.3.4 MFR_CALIBRATION (D4h) [default = 00000000 00000001]
        5. 7.6.3.5 MFR_DEVICE_CONFIG (D5h) [default = 00000010]
        6. 7.6.3.6 5.1.1 CLEAR_EIN (D6h)
        7. 7.6.3.7 TI_MFR_ID (E0h) [value = 01010100 01001001]
        8. 7.6.3.8 TI_MFR_MODEL (E1h) [value = 00110011 00110011]
        9. 7.6.3.9 TI_MFR_REVISION (E2h) [value = 01000001 00110000]
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Programming the Calibration Register
        2. 8.2.2.2 Calculating PMBus Coefficients
        3. 8.2.2.3 Programming Warning Thresholds
        4. 8.2.2.4 Calculating Returned Telemetry Values
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

DGS Package
10-Pin VSSOP
Top View

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
A0 2 Digital input Address pin. Connect to GND, SCL, SDA, or VS. Table 3 lists the pin settings and corresponding addresses.
A1 1 Digital input Address pin. Connect to GND, SCL, SDA, or VS. Table 3 lists the pin settings and corresponding addresses.
ALERT 3 Digital output PMBus-compatible multifunctional alert, open-drain output. This pin alerts on independent settings for overcurrent, under- and overvoltage, and overpower conditions.
GND 7 Analog Ground
IN– 9 Analog input Connect to the load side of the shunt resistor
IN+ 10 Analog input Connect to the supply side of the shunt resistor
SCL 5 Digital input Serial bus clock line, open-drain input
SDA 4 Digital I/O Serial bus data line, open-drain input/output
VBUS 8 Analog input Bus voltage input
VS 6 Analog Power supply, 2.7 V to 5.5 V