SBOS805B
July 2016 – April 2020
INA250-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Pin Configuration and Functions
Pin 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
Integrated Shunt Resistor
7.3.2
Short-Circuit Duration
7.3.3
Temperature Stability
7.4
Device Functional Modes
7.4.1
Amplifier Operation
7.4.2
Input Filtering
7.4.2.1
Calculating Gain Error Resulting from External Filter Resistance
7.4.3
Shutting Down the Device
7.4.4
Using the Device with Common-Mode Transients Above 36 V
8
Applications and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Current Summing
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Parallel Multiple INA250-Q1 Devices for Higher Current
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
8.2.3
Current Differencing
8.2.3.1
Design Requirements
8.2.3.2
Detailed Design Procedure
8.2.3.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|16
MPDS361A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos805b_oa
sbos805b_pm
1
Features
Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
Device HBM ESD Classification Level 2
Device CDM ESD Classification Level C5
Functional Safety-Capable
Documentation available to aid functional safety system design
Precision Integrated Shunt Resistor:
Shunt Resistor: 2-mΩ
Shunt Resistor Tolerance: 0.1% (Maximum)
15 A Continuous from –40°C to +85°C
0°C to +125°C Temperature Coefficient:
10 ppm/°C
High Accuracy:
Gain Error (Shunt and Amplifier): 0.3% (Maximum)
Offset Current: 50 mA (Maximum, INA250A2-Q1)
Four Available Gains:
INA250A1-Q1: 200 mV/A
INA250A2-Q1: 500 mV/A
INA250A3-Q1: 800 mV/A
INA250A4-Q1: 2 V/A
Wide Common-Mode Range: –0.1 V to 36 V
Specified Operating Temperature: –40°C to +125°C