Torex enhances voltage detectors for in-vehicle applications

July 25, 2017 Jamie Leland

Torex Semiconductor Ltd. has enhanced the XD6121/XD6122/XD6123/XD6124 series of voltage detectors for in-vehicle applications. Featuring a watchdog function based on a CMOS process, these AEC-Q100 (Grade 3)-compliant detectors achieve high accuracy, a low quiescent current and output a signal with a delay time set by an internal delay circuit with no need for external components. The output type is L level on detection (VDFL).

A watchdog ON/OFF function is incorporated, and the watchdog function can be turned OFF while maintaining the voltage detection function by setting the EN/ENB pin to L or H level. The EN/ENB pin is internally pulled up to VIN or pulled down to VSS, and can be used in the OPEN state while the watchdog function is used.

The detected voltage can be set to 1.6V, 2.2V, 2.3V, 2.4V, 2.9V, 3.0V, 3.1V, 4.4V, 4.5V, or 4.6V by laser trimming. Six types are selectable from 50ms to 1.6s for the watchdog timeout time. Five types are selectable from 3.13ms to 400ms for the release delay time. The product is housed in the versatile SOT-25 package.

For more information, visit www.torexsemi.com.

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