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Product Detailed Parameters
- Description：IC CURR SENSE 1 CIRCUIT SOT23-5
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：1
- Output Type：Rail-to-Rail
- Slew Rate：2V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：80 µA
- Voltage - Input Offset：100 µV
- Current - Supply：197µA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 125°C (TA)
- Grade：Automotive
- Qualification：AEC-Q100
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- -3db Bandwidth：350 kHz
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Overview
The INA180A1QDBVRQ1 is a single-channel, automotive-grade current sense amplifier from Texas Instruments. It operates within a supply voltage range of 2.7 V to 5.5 V and supports a common-mode voltage span from -200 mV to 26 V. The device features a fixed gain of 20 V/V, a 3-dB bandwidth of 350 kHz, and a slew rate of 2 V/µs. Key electrical specifications include an input offset voltage of 100 µV, a common-mode rejection ratio (CMRR) of 100 dB, and a quiescent current of 260 µA. It is housed in a SOT-23-5 package and rated for operation between -40°C and +125°C.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle electronics.
- High common-mode voltage tolerance up to 26 V enables sensing on high-side or low-side configurations.
- Wide bandwidth of 350 kHz supports dynamic current monitoring applications.
- Low power consumption with a typical quiescent current of 260 µA.
Applications
- Battery management systems in electric vehicles
- Motor control circuits
- Load switch protection
Procurement Notes
Verify the complete part number including suffixes to ensure correct gain and packaging options. Confirm AEC-Q100 certification requirements match specific OEM quality standards. Check datasheet revisions for any pinout or marking changes. Ensure thermal management aligns with the SOT-23-5 package limitations. Validate supply voltage ranges against system power rails.
Selection Notes
Select this component when a fixed gain of 20 V/V is required for current sensing. Consider the 26 V common-mode limit for high-side applications. Evaluate the 350 kHz bandwidth against signal frequency needs. Compare quiescent current against battery life constraints. Verify package compatibility with PCB layout tools.
Part Context
This device belongs to the INA180 family of current sense amplifiers designed for automotive applications. It offers a compact SOT-23-5 footprint suitable for space-constrained designs. The Q1 designation indicates automotive grade qualification. It complements other precision amplifiers in the TI portfolio for power management solutions.
Replacement Considerations
INA180A1DBVRQ1: Non-automotive grade version with identical electrical characteristics but different qualification status. INA2180-Q1: Higher precision alternative with lower offset voltage and noise, suitable for more demanding accuracy requirements.
