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INA700 40 V, 16-Bit, I2C Output Digital Power Monitor in WCSP with 2 mΩ EZShunt Technology
SBOSAB4A
May 2023 – September 2023
INA700
PRODUCTION DATA
CONTENTS
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INA700 40 V, 16-Bit, I2C Output Digital Power Monitor in WCSP with 2 mΩ EZShunt Technology
1
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
Timing Requirements (I2C)
6.7
Timing Diagram
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Integrated Shunt Resistor
7.3.2
Safe Operating Area
7.3.3
Versatile Measurement Capability
7.3.4
Internal Measurement and Calculation Engine
7.3.5
High-Precision Delta-Sigma ADC
7.3.5.1
Low Latency Digital Filter
7.3.5.2
Flexible Conversion Times and Averaging
7.3.6
Integrated Precision Oscillator
7.3.7
Multi-Alert Monitoring and Fault Detection
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Power-On Reset
7.5
Programming
7.5.1
I2C Serial Interface
7.5.1.1
Writing to and Reading Through the I2C Serial Interface
7.5.1.2
High-Speed I2C Mode
7.5.1.3
SMBus Alert Response
7.6
Register Maps
7.6.1
INA700 Registers
8
Application and Implementation
8.1
Application Information
8.1.1
Device Measurement Range and Resolution
8.1.2
ADC Output Data Rate and Noise Performance
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Configure the Device
8.2.2.2
Set Desired Fault Thresholds
8.2.2.3
Calculate Returned Values
8.2.3
Application Curves
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
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
YWF|8
MXCC018
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosab4a_oa
sbosab4a_pm
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Data Sheet
INA700
40 V, 16-Bit, I
2
C Output Digital Power Monitor in WCSP with 2 mΩ
EZShunt
Technology
1
Features
Low loss integrated shunt resistor
Internal resistance: 2 mΩ at T
A
= 25°C
Current rating: ±15 A at T
A
= 25°C
High-resolution, 16-bit delta-sigma ADC
Wide common-mode range: –0.3 V to +40 V
Reports current, bus voltage, power, internal temperature, energy, and charge
Programmable conversion time and averaging
Current monitoring accuracy:
Total Measurement Error: ±0.5% at 5 A
Offset current: ±1.5 mA (maximum)
Gain error: ±0.5% (maximum at 5 A)
Gain error drift: ±50 ppm/°C (maximum)
Power monitoring accuracy:
0.85% accuracy at 5 A
Energy and Charge accuracy:
1.35% accuracy at 5 A
Internal monitoring and fault detection
Precision oscillator: ±0.5% (maximum)
2.94-MHz High-Speed I
2
C interface with 4 pin-selectable addresses
Operates from a 2.7-V to 5.5-V supply
Operational current: 640 µA (typical)
Shutdown current: 5 µA (maximum)
2
Applications
Notebook computers
Smartphones
Industrial battery packs
Smart network interface cards (NIC)
Hardware accelerator cards