The INA200-Q1, INA201-Q1, and INA202-Q1 (INA20x-Q1) are low-side or high-side, current-shunt monitors with voltage output. The INA20x-Q1 devices can sense drops across shunts at common-mode voltages from –16V to +80V. The INA20x-Q1 are available with three output voltage scales: 20V/V, 50V/V, and 100V/V, with up to a 500kHz bandwidth.
The INA20x-Q1 also incorporates an open-drain comparator and internal reference that provides a 0.6V threshold. External dividers set the current trip point. The comparator includes a latching capability, and can be made transparent by grounding (or leaving open) the RESET pin.
The INA20x-Q1 operates from a single 2.7V to 18V supply, drawing a maximum of 1800µA supply current. These devices are available in the very small VSSOP-8 package. Specifications for all devices extend over the operating temperature range of –40°C to +125°C.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | INA20x-Q1 Automotive Grade, –16V to +80V, Low-Side or High-Side, High-Speed, Voltage-Output, Current-Sense Amplifier With Comparator and Reference datasheet (Rev. D) | PDF | HTML | Apr 29, 2025 |
| Application note | Using a PCB Copper Trace as a Current Sense Shunt Resistor (Rev. A) | PDF | HTML | Apr 27, 2026 | |
| Application brief | Measuring Current To Detect Out-of-Range Conditions (Rev. D) | PDF | HTML | Mar 10, 2022 | |
| Application brief | Measuring Current for Handle Multiple Out-of-Range Conditions (Rev. C) | PDF | HTML | Oct 4, 2021 | |
| Circuit design | Overcurrent event detection circuit | Jul 31, 2018 |
For additional terms or required resources, click any title below to view the detail page where available.
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSSOP (DGK) | 8 | Ultra Librarian |
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