SBOSAD4
June 2024
INA4230
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
Timing Requirements (I2C)
5.7
Timing Diagram
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Integrated Analog-to-Digital Converter (ADC)
6.3.2
Internal Measurement and Calculation Engine
6.3.3
Low Bias Current
6.3.4
Low Voltage Supply and Wide Common-Mode Voltage Range
6.3.5
ALERT Pin
6.4
Device Functional Modes
6.4.1
Continuous Versus Triggered Operation
6.4.2
Device Low Power Modes
6.4.3
Power-On Reset
6.4.4
Averaging and Conversion Time Considerations
6.5
Programming
6.5.1
I2C Serial Interface
6.5.2
Writing to and Reading Through the I2C Serial Interface
6.5.3
High-Speed I2C Mode
6.5.4
General Call Reset
6.5.5
SMBus Alert Response
7
Register Maps
7.1
Device Registers
8
Application and Implementation
8.1
Application Information
8.1.1
Device Measurement Range and Resolution
8.1.2
Current and Power Calculations
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Select the Shunt Resistor
8.2.2.2
Configure the Device
8.2.2.3
Program the Shunt Calibration Registers
8.2.2.4
Set Desired Fault Thresholds
8.2.2.5
Calculate Returned Values
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
YBJ|16
MXBG469
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosad4_oa
sbosad4_pm
1
Features
High-side or low-side current sensing
Operates from a 1.7V to 5.5V power supply
Reports current, voltage, power, and energy
Programmable full scale range: 20mV / 80mV
Input common mode range: –0.3V to 48V
Current monitoring accuracy:
16-bit ADC resolution
0.75% gain error (maximum)
75µV offset (maximum)
Power monitoring accuracy:
1.5% full scale (maximum)
Energy monitoring accuracy:
2% full scale (maximum)
Low input bias currents: 5nA (maximum)
Low disable current:
1µA
(maximum)
Configurable averaging options
Alert limits for over and under current events
1.2V compliant I
2
C, SMBus interface
16-pin selectable addresses
DSBGA-16 Package (1.5mm × 1.5mm)