INA198AQDBVRQ1

Current Regulation/Management Overview

The INA198AQDBVRQ1 is an automotive-grade current and power monitor manufactured by Texas Instruments. It operates with a supply voltage range of 2.7 V to 18 V and draws a typical operating supply current of 900 uA. The device features high-side sensing capability with an accuracy of 3%. It is qualified under AEC-Q100 standards for automotive applications, ensuring reliability in harsh environments. The component is housed in a compact SOT-23-5 surface-mount package, suitable for space-constrained designs.

Current Regulation/Management Feature Summary

• High-side current monitoring capability
• Automotive qualification per AEC-Q100 standards
• Wide input voltage range up to 18 V

Current Regulation/Management Applications

• Automotive battery management systems
• Current monitoring in vehicle electronics
• Power regulation circuits in automotive modules

Current Regulation/Management Procurement Notes

Verify the specific suffix and revision level against the official Texas Instruments datasheet to ensure compatibility with your design requirements. Confirm that the AEC-Q100 qualification status meets your project's automotive grade specifications. Check for any recent product change notices or lifecycle updates directly from the manufacturer before finalizing procurement decisions.

Current Regulation/Management Selection Notes

Select this component when high-side current monitoring is required within an 18 V system limit. Ensure the 3% accuracy specification aligns with your application's tolerance requirements. Consider the SOT-23-5 package size for PCB layout constraints. Verify that the 900 uA supply current fits within your system's power budget constraints.

Current Regulation/Management Part Context

This part belongs to the INA198A series of current monitors designed for automotive applications. It provides a cost-effective solution for monitoring current in high-side configurations. The device integrates precision amplification and signal conditioning to deliver accurate current measurements across the specified operating temperature range.

Current Regulation/Management FAQ

What is the maximum common-mode voltage supported?

The device supports a common-mode voltage range from 2.7 V to 18 V.

Is the device suitable for bidirectional current measurement?

No, the INA198AQDBVRQ1 is designed specifically for high-side unidirectional current monitoring.