MAX20091 Datasheet - Maxim Integrated

MAX20091 35-Channel Contact Monitor

The MAX20091 is a 35-channel automotive contact monitor for automotive applications. Ten contact monitor inputs can be used with either ground- or battery-connected switches; the other 25 inputs are for use with groundconnected switches. The IC operates over a 5.5V to 28V voltage range and withstand.

MAX20091 Features

* an SPI interface to monitor the switch status and set the device configuration. An interrupt output allows the device to wake a local microcontroller when a switch status change is detected. In addition, a switch status change turns on the internal regulator. The MAX20091 is available in a compact 4

MAX20091-MaximIntegrated.pdf