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INA169-Q1 Datasheet Preview

INA169-Q1 Datasheet

High-Side Measurement Current-Shunt Monitor

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INA139-Q1, INA169-Q1
SGLS185F – SEPTEMBER 2003 – REVISED MAY 2016
INA1x9-Q1 Automotive-Grade, High-Side, Current-Output, Current-Shunt Monitor
1 Features
1 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 C6
• Complete Unidirectional High-Side Current
Measurement Circuit
• Wide Supply and Common-Mode Ranges
– INA139-Q1: 2.7 V to 40 V
– INA169-Q1: 2.7 V to 60 V
• Independent Supply and Input Common-Mode
Voltages
• Single Resistor Gain Set
• Low Quiescent Current (60 μA Typical)
• Wide Temperature Range: –40°C to +125°C
• Package: TSSOP-8
2 Applications
• Electric Power Steering (EPS) Systems
• Body Control Modules
• Brake Systems
• Electronic Stability Control (ESC) Systems
3 Description
The 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
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.
Both the INA139-Q1 and INA169-Q1 are available in
a TSSOP-8 package, and are specified for the –40°C
to +125°C temperature range.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
INA139-Q1
INA169-Q1
TSSOP (8)
4.40 mm × 3.00 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
Typical Application Circuit
Up to 60 V
VIN+
1 kW
VIN–
1 kW
VO = ISRSRL / 1 kΩ
RL
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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INA169-Q1 Datasheet Preview

INA169-Q1 Datasheet

High-Side Measurement Current-Shunt Monitor

No Preview Available !

INA139-Q1, INA169-Q1
SGLS185F – SEPTEMBER 2003 – REVISED MAY 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 3
6.1 Absolute Maximum Ratings ...................................... 3
6.2 ESD Ratings.............................................................. 3
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................... 9
7.4 Device Functional Modes.......................................... 9
8 Application and Implementation .......................... 9
8.1 Application Information.............................................. 9
8.2 Typical Applications ................................................ 11
9 Power Supply Recommendations...................... 18
10 Layout................................................................... 18
10.1 Layout Guidelines ................................................. 18
10.2 Layout Example .................................................... 18
11 Device and Documentation Support ................. 19
11.1 Related Documentation ....................................... 19
11.2 Related Links ........................................................ 19
11.3 Community Resources.......................................... 19
11.4 Trademarks ........................................................... 19
11.5 Electrostatic Discharge Caution ............................ 19
11.6 Glossary ................................................................ 19
12 Mechanical, Packaging, and Orderable
Information ........................................................... 19
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (May 2011) to Revision F
Page
• Added Device Information, ESD Ratings, Recommended Operating Conditions, and Thermal Information tables,
and Feature Description, Application and Implementation, Power Supply Recommendations, Layout, Device and
Documentation Support, and Mechanical, Packaging, and Orderable Information sections ................................................. 1
• Added new automotive qualification features bullet, and deleted old bullet........................................................................... 1
• Changed Applications bullets ................................................................................................................................................. 1
• Changed text in Description section ....................................................................................................................................... 1
• Changed all figures to show correct device names; added -Q1............................................................................................. 1
• Added pin names to all figures and removed all pin numbers ............................................................................................... 1
• Deleted Ordering Information table; information available in the Package Option Addendum at the end of this data sheet 3
• Deleted lead temperature and thermal resistance from Absolute Maximum Ratings table; see new Thermal
Information table for thermal resistance values...................................................................................................................... 3
• Changed RθJA value................................................................................................................................................................ 4
• Changed VS to V+ throughout data sheet for consistency ..................................................................................................... 5
• Changed ROUT in Electrical Characteristics table to RL for consistency ................................................................................. 5
• Changed RL from 125 kΩ to 25 kΩ in condition line of Typical Characteristics section......................................................... 6
• Changed VIN to VSENSE in Figure 4 ......................................................................................................................................... 6
• Changed VS to RS when describing shunt resistor in Operation section................................................................................ 9
• Changed Figure 9; deleted incorrect pin numbers, and moved embedded table to outside of figure ................................. 10
• Changed Figure 10 ............................................................................................................................................................... 11
• Changed Figure 14 to show correct pin names, deleted incorrect pin numbers, and added missing division line in
output offset equation ........................................................................................................................................................... 14
• Changed Figure 15 ............................................................................................................................................................... 15
2
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Product Folder Links: INA139-Q1 INA169-Q1


Part Number INA169-Q1
Description High-Side Measurement Current-Shunt Monitor
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