The ZXCT1081 is a high side current monitor from Zetex Semiconductors. It has a gain of 10 and a voltage output, and is suitable for a wide range of applications. The device is available in a SOT23-5 package and has a working voltage range of 3V to 40V. It can operate in ambient temperatures of -40°C to 125°C.
The ZXCT1081 high‑side current monitor provides accurate current sensing with a gain of 10 and a voltage‑scaled output. It operates from a 3 V to 40 V common‑mode input range and a 4.5 V to 12 V supply, making it suitable for automotive, industrial and battery‑management applications.
The device is supplied in a SOT‑23‑5 package, features ultra‑low quiescent current (80 yA supply, 30 pA Isense+), and operates from –40 °C to 125 °C. Detailed electrical characteristics, typical application circuits and ordering information are provided in the datasheet.
| Supply voltage range (VCC) | 4.5 V to 12 V |
|---|---|
| Common‑mode input voltage range | 3 V to 40 V |
| Output voltage range | 0 V to 1.5 V |
| Isense+ input current | 30 pA typical |
| Operating temperature range | -40 °C to 125 °C |
It operates from 4.5 V to 12 V supply voltage.
The recommended input range is 3 V to 40 V.