Features

Protection Functions

 Reverse battery protection using external components

 Voltage dependent current limiting

 Overtemperature protection with auto-restart

 Overvoltage protection including load dump

 Stable undervoltage protection

 ESD protection

 Loss of ground protection with external components

 Enhanced short circuit protection

Diagnostic Functions

 Proportional load current-sense output

 Linear voltage drop regulation to maintain sense accuracy even at very low load currents

 Enabled by logic input

 Defined temperature and current dependency

 Open-load detection

 Using load current-sense in ON state

 Using output voltage detection in OFF state

 Defined fault signal in case of overload operation, overtemperature, or short-circuit

Miscellaneous

 Lead-Free Finish; RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

 The ZXMS81045SPQ is suitable for automotive applications requiring specific change control; this part is AEC-Q100 qualified, PPAP capable, and manufactured in IATF16949 certified facilities.

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Applications

 High-side switching with diagnostic feedback for:

 12V grounded loads

 Resistive, inductive, and capacitive loads

 Suitable for high inrush current loads

 Incandescent lamps (P27W/P21W), motors, etc

 Compact low-power replacement for:

 Relays, fuses, and discrete circuits