INA139QPWRQ1 ,High-Side Measurement Current Shunt Monitor, Current OutputFeatures 3 DescriptionThe INA139-Q1 and INA169-Q1 (INA1x9-Q1) are1• Qualified for Automotive Applic ..
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INA139QPWRQ1
HIGH SIDE MEASUREMENT CURRENT SHUNT MONITOR
1 kW1 kW
VIN+ VIN–
Up to 60 V= I / 1 kΩO
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INA139-Q1, INA169-Q1SGLS185F –SEPTEMBER 2003–REVISED MAY 2016
INA1x9-Q1 Automotive-Grade, High-Side, Current-Output, Current-Shunt Monitor Features Qualifiedfor Automotive Applications AEC-Q100 Qualified With the Following Results: Device Temperature Grade1: −40°Cto 125°C
Ambient Operating Temperature Range Device HBM ESD Classification Level2 Device CDM ESD Classification Level C6 Complete Unidirectional High-Side Current
Measurement Circuit Wide Supply and Common-Mode Ranges INA139-Q1: 2.7Vto40V INA169-Q1: 2.7Vto60V Independent Supply and Input Common-Mode
Voltages Single Resistor Gain Set Low Quiescent Current (60 μA Typical) Wide Temperature Range: –40°Cto +125°C Package: TSSOP-8
Applications Electric Power Steering (EPS) Systems Body Control Modules Brake Systems Electronic Stability Control (ESC) Systems
DescriptionThe INA139-Q1 and INA169-Q1 (INA1x9-Q1) are
high-side, unidirectional, current shunt monitors. Wide
input common-mode voltage range, high-speed, low
quiescent current, and TSSOP-8 packaging enable
useina varietyof applications.
The device convertsa differential input voltagetoa
current output. This currentis converted backtoa
voltage with an external load resistor that sets any
gain from1 to over 100. Although designed for
current shunt measurement, the circuit invites
creative applications in measurement and level
shifting.
Both the INA139-Q1 and INA169-Q1 are availablein TSSOP-8 package, and are specified for the –40°C +125°C temperature range.
Device Information(1)(1) Forall available packages, seethe package option addendumthe endofthe data sheet.
Typical Application Circuit
