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Product details

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Package | Pins | Size

SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 open-in-new Find other Current sense amplifiers analog output

Features

  • Qualified for Automotive Applications
  • Wide Common-Mode Voltage:
    –16 V to 80 V
  • Low Error: 3% Overtemperature (Maximum)
  • Bandwidth: Up to 500 kHz
  • Three Transfer Functions Available: 20 V/V, 50 V/V, and 100 V/V
  • Complete Current-Sense Solution

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Description

The INA19xA-Q1 family of current shunt monitors with voltage output can sense drops across shunts at common-mode voltages from –16 V to 80 V, independent of the INA19xA supply voltage. They are available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V. The 500-kHz bandwidth simplifies use in current control loops and monitoring DC motor health. The INA193A–INA195A provide identical functions but alternative pin configurations to the INA196A–INA198A, respectively.

The INA19xA-Q1 operate from a single 2.7-V to 18-V supply. They are specified over the extended operating temperature range (–40°C to 125°C), and are offered in a space-saving SOT-23 package.

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Technical documentation

Design & development

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Design tools & simulation

SIMULATION MODELS Download
SBOC054C.ZIP (58 KB) - PSpice Model
SIMULATION MODELS Download
SBOC164C.TSC (101 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SBOM225B.ZIP (5 KB) - TINA-TI Spice Model
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

Reference designs

REFERENCE DESIGNS Download
Current Shunt Monitor with Transient Robustness Reference Design
TIDA-00302 This high-side current shunt monitor is used to measure the voltage developed across a current-sensing resistor when current passes through it.

Additionally, an external protection circuit is implemented to provide surge and fast-transient protection and demonstrate the different immunity levels to (...)

document-generic Schematic document-generic User guide
Design files

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Package Pins Download
SOT-23 (DBV) 5 View options

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