SBOS871A
May 2019 – March 2022
INA190-Q1
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Precision Current Measurement
7.3.2
Low Input Bias Current
7.3.3
Low Quiescent Current With Output Enable
7.3.4
Bidirectional Current Monitoring
7.3.5
High-Side and Low-Side Current Sensing
7.3.6
High Common-Mode Rejection
7.3.7
Rail-to-Rail Output Swing
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Unidirectional Mode
7.4.3
Bidirectional Mode
7.4.4
Input Differential Overload
7.4.5
Shutdown
8
Application and Implementation
8.1
Application Information
8.1.1
Basic Connections
8.1.2
RSENSE and Device Gain Selection
8.1.3
Signal Conditioning
8.1.4
Common-Mode Voltage Transients
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
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)
DCK|6
MPDS114D
DDF|8
MPDS569C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos871a_oa
sbos871a_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to +125°C, T
A
Functional Safety-Capable
Documentation available to aid functional safety system design
Low input bias currents: 500 pA (typical)
(enables microamp current measurement)
Low power:
Low supply voltage, V
S
: 1.7 V to 5.5 V
Low shutdown current: 100 nA (maximum)
Low quiescent current: 50 μA at 25°C (typical)
Accuracy:
Common-mode rejection ratio: 132 dB (minimum)
Gain error: ±0.2% (A1 device)
Gain drift: 7 ppm/°C (maximum)
Offset voltage, V
OS
: ±15 μV (maximum)
Offset drift: 80 nV/°C (maximum)
Wide common-mode voltage: –0.2 V to +40 V
with survivability up to 42 V
Bidirectional current sensing capability
Gain options:
INA190A1-Q1
: 25 V/V
INA190A2-Q1
: 50 V/V
INA190A3-Q1
: 100 V/V
INA190A4-Q1
: 200 V/V
INA190A5-Q1
: 500 V/V
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