ZXCT1109QSA-7

Overview

The ZXCT1109QSA-7 is a low-power high-side current monitor manufactured by Diodes Incorporated. It operates within an input voltage range of 2.5 V to 36 V and features a quiescent supply current of 19 nA. The device provides a current output of 2.065 mA with an accuracy of 6%. It is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C. The component is housed in a compact SOT-23-3 surface-mount package.

Feature Summary

• High-side current sensing capability
• Ultra-low power consumption design
• Automotive grade qualification

Applications

• Battery management systems
• Power distribution units
• Automotive electronics monitoring

Procurement Notes

Verify the specific suffix QSA against official Diodes Incorporated documentation to confirm automotive qualification status and pinout configuration. Ensure compatibility with the target system's voltage levels and thermal requirements before finalizing procurement orders.

Selection Notes

Select this component when ultra-low standby current is critical for battery-operated or energy-efficient designs. The high-side sensing architecture simplifies circuit layout compared to low-side alternatives. Verify that the 6% accuracy meets the specific application tolerance requirements.

Part Context

This part belongs to the ZXCT11 series of current monitors from Diodes Incorporated. The series focuses on low-power solutions for modern electronic systems requiring efficient power management and precise current tracking in compact form factors.

Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Generic replacements may not match the AEC-Q100 qualification or specific electrical characteristics required for automotive reliability.