INA4180A2QPWRQ1

Instrumentation, Op Amps, Buffer Amps Overview

The INA4180A2QPWRQ1 is an automotive-grade, quad-channel current-sense amplifier from Texas Instruments. It features a fixed gain of 50 V/V and operates with a supply voltage range of 2.7 V to 5.5 V. The device supports common-mode voltages from -0.2 V to +26 V, enabling both high-side and low-side sensing. Key electrical specifications include a maximum gain error of ±1%, a bandwidth of 210 kHz, and a quiescent current of up to 900 µA for the quad configuration. It is housed in a 14-pin TSSOP package and rated for operation between -40°C and +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• AEC-Q100 qualified for automotive applications with extended temperature support
• Integrated matched resistor network minimizes gain error and temperature drift
• Supports both high-side and low-side current sensing configurations
• Functional safety capable with documentation available for system design

Instrumentation, Op Amps, Buffer Amps Applications

• Motor control
• Battery monitoring
• Power management
• Lighting control
• Overcurrent detection

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'A2' confirms the 50 V/V gain setting required for the application. Ensure the 'Q1' designation matches the automotive qualification standards needed. Confirm the 'PWR' package type corresponds to the 14-pin TSSOP footprint on the target PCB layout. Cross-reference the full part number against the manufacturer's latest datasheet revision to ensure component availability and specification accuracy.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when four independent current channels are required within a single package. The 50 V/V gain is suitable for moderate signal amplification needs. Consider the 210 kHz bandwidth for dynamic response requirements. Evaluate the 900 µA total quiescent current consumption against power budget constraints. Verify that the 26 V common-mode range aligns with the system bus voltage levels.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the INAx180-Q1 family, which includes single-channel (INA180-Q1) and dual-channel (INA2180-Q1) variants. All members share similar architectural features, including the wide common-mode input range and rail-to-rail output swing. The quad-channel version integrates four identical amplifier circuits into one compact 14-pin TSSOP package to save board space.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Compatible substitutes within the same family include INA4180A1QPWRQ1 (20 V/V gain), INA4180A3QPWRQ1 (100 V/V gain), and INA4180A4QPWRQ1 (200 V/V gain). These parts share the same pinout and package but differ in fixed internal gain.