ZXCT199B1DW-7

Overview

The ZXCT199B1DW-7 is a current monitor and power regulator manufactured by Diodes Incorporated. It operates within an input voltage range of 2.7 V to 26 V and features a maximum supply current of 100 uA. The device provides high accuracy with a specified tolerance of 0.8%. It supports both high-side and low-side sensing configurations and delivers a common-mode voltage output. The component is housed in a compact SOT-363-7 package, suitable for surface-mount installation, and functions reliably across an extended temperature range from -40 C to +125 C.

Feature Summary

• Provides precise current monitoring with high accuracy specifications
• Supports flexible high-side or low-side current sensing configurations
• Delivers a common-mode voltage output signal proportional to sensed current
• Operates efficiently with minimal quiescent current consumption

Applications

• Battery management systems requiring accurate current tracking
• Power regulation circuits in portable electronic devices
• Overcurrent protection mechanisms in industrial equipment
• Smart power distribution units in automotive applications

Procurement Notes

Verify the specific suffix DW-7 indicates the standard tape and reel packaging configuration when sourcing components. Confirm that the B1 designation corresponds to the required 0.8% accuracy grade for your design specifications. Ensure compatibility with the SOT-363-7 footprint during PCB layout finalization. Cross-reference the manufacturer's latest datasheet to validate any updates to electrical characteristics or recommended operating conditions prior to procurement.

Selection Notes

Select this component when designing circuits that demand high precision current monitoring within a constrained space. The low supply current makes it suitable for battery-powered applications where energy efficiency is critical. The wide input voltage range allows flexibility in system architecture design. Consider the thermal performance and package limitations when determining placement on the printed circuit board relative to other heat-generating components.

Part Context

This part belongs to the ZXCT199 series of current monitors produced by Diodes Incorporated. The series focuses on providing accurate current sensing solutions for various power management applications. The specific model utilizes a small outline transistor package variant designed for automated surface-mount assembly processes. It serves as a key component in modern electronic systems requiring reliable power regulation and monitoring capabilities.

Replacement Considerations

The INA199B1QDCKRQ1 from Texas Instruments is identified as a potential substitute option. Verify pinout compatibility and electrical parameter alignment before implementing any replacement strategy.