SBOS786B
April 2016 – April 2022
INA301-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
Alert Output ( ALERT Pin)
7.3.2
Current-Limit Threshold
7.3.2.1
Resistor-Controlled Current Limit
7.3.2.1.1
Resistor-Controlled, Current-Limit Example
7.3.2.2
Voltage-Source-Controlled Current Limit
7.3.3
Hysteresis
7.4
Device Functional Modes
7.4.1
Alert Mode
7.4.1.1
Transparent Output Mode
7.4.1.2
Latch Output Mode
8
Applications and Implementation
8.1
Application Information
8.1.1
Selecting a Current-Sensing Resistor
8.1.1.1
Selecting a Current-Sensing Resistor Example
8.1.2
Input Filtering
8.1.3
INA301-Q1 Operation With Common-Mode Voltage Transients Greater Than 36 V
8.2
Typical Application
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 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
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
Device HBM ESD classification level 2
Device CDM ESD classification level C6
Functional Safety-Capable
Documentation available to aid functional safety system design
Wide common-mode input range: 0 V to 36 V
Dual output: amplifier and comparator output
High accuracy amplifier:
Offset voltage: 35 µV (maximum)
Offset voltage drift: 0.5 µV/°C (maximum)
Gain error: 0.1% (maximum)
Gain error drift: 10 ppm/°C
Available amplifier gains:
INA301A1-Q1: 20 V/V
INA301A2-Q1: 50 V/V
INA301A3-Q1: 100 V/V
Programmable alert threshold set through a single resistor
Total alert response time: 1 µs
Open-drain output with both transparent and latching modes
Package: VSSOP-8