NCV21674DMG100R2G

Current Regulation/Management Overview

The NCV21674DMG100R2G is a single-channel, high-side current sense amplifier from onsemi’s NCS21674 series. It features a fixed gain of 100 V/V and operates with a supply voltage range of 2.7 V to 5.5 V. The device supports a common-mode voltage range from -100 mV to 40 V. Key electrical specifications include an input offset voltage of 850 µV, input bias current of 100 µA, and a gain error of 0.4%. It offers a bandwidth of 409 kHz and draws 10 mA of operating supply current. The component is rated for automotive applications with an operating temperature range of -40°C to +150°C and is housed in an 8-lead Micro-8 package.

Current Regulation/Management Feature Summary

• Provides high-side current sensing capability with support for negative common-mode voltages down to -100 mV.
• Features a fixed internal gain of 100 V/V for simplified circuit design and accurate signal amplification.
• Designed for automotive environments with extended temperature ratings up to +150°C.
• Delivers high precision with low gain error and wide common-mode rejection ratio.

Current Regulation/Management Applications

• Automotive battery management systems
• High-side current monitoring in power distribution units
• Motor control circuits requiring precise current feedback

Current Regulation/Management Procurement Notes

Verify the specific suffix '100' indicates the fixed gain configuration during procurement. Confirm that the 'NCV' prefix aligns with required automotive qualification standards for your application. Ensure the Micro-8 package footprint matches your PCB layout constraints. Cross-reference the datasheet revision date to ensure compatibility with latest electrical specifications.

Current Regulation/Management Selection Notes

Select this part when a fixed gain of 100 V/V is required for high-side sensing. Consider the 10 mA supply current if power efficiency is critical compared to lower-power alternatives. Verify that the 40 V common-mode range covers your system's maximum bus voltage. The automotive grade rating makes it suitable for harsh environment deployments where reliability is paramount.

Current Regulation/Management Part Context

This component belongs to the NCS21674 family of current sense amplifiers. It shares architectural similarities with other members like the NCV21674DMG050R2G but differs in its fixed gain setting. The family is characterized by robust automotive qualification and high precision performance suitable for demanding industrial and automotive power management applications.

Current Regulation/Management Replacement Considerations

The NCV21674DMG050R2G is a functional substitute within the same series but provides a different fixed gain of 50 V/V. Designers must account for the gain difference when replacing this unit to maintain correct signal scaling. Other NCS21674 variants may offer different channel counts or gain settings.