INA169QPWRQ1

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1. Description

The INA169QPWRQ1 are high-side, unidirectional, current shunt monitors. Wide input common-mode voltage range, high-speed, low quiescent current, and TSSOP-8 packaging enable use in a variety of applications. The device converts a differential input voltage to a current output. This current is converted back to a voltage with an external load resistor that sets any gain from 1 to over 100. Although designed for current shunt measurement, the circuit invites creative applications in measurement and level shifting. INA169QPWRQ1 are available in a TSSOP-8 package, and are specified for the –40°C to +125°C temperature range.

2. Features

   1. Qualified for Automotive Applications

   2. 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 C6

   3. Complete Unidirectional High-Side Current Measurement Circuit

   4. Wide Supply and Common-Mode Ranges

       – INA139-Q1: 2.7 V to 40 V

       – INA169-Q1: 2.7 V to 60 V

   5. Independent Supply and Input Common-Mode Voltages

   6. Single Resistor Gain Set

   7. Low Quiescent Current (60 μA Typical)

   8. Wide Temperature Range: –40°C to +125°C

   9. Package: TSSOP-8

3. Applications

    1. Electric Power Steering (EPS) Systems

    2. Body Control Modules

    3. Brake Systems

    4. Electronic Stability Control (ESC) Systems

4. Pin Configuration and Functions

5. Typical Application Circuit

6. Functional Block Diagram

7. Application Information