33287 Datasheet - Freescale Semiconductor

33287 - Contact Monitoring and Dual Low-Side Protected Driver

Freescale Semiconductor Technical Data Document Number: MC33287 Rev. 5.0, 2/2007 Contact Monitoring and Dual Low-Side Protected Driver The 33287 interfaces between switch contacts and a microcontroller. Eight switch-to-battery (or switch-to-ground) sense monitor switch status. Additionally, two internal low-side switches are available to control inductive or capacitive loads. The 33287 has eight sense inputs (rated at 40 V) with thresholds ratiometric to VBAT. One sense input has a dedicated o.

33287 Features

* Eight High-Voltage Sense Inputs Direct Interfacing to Microcontroller Two Current Limited Low-Side Drivers Drivers Internally Overvoltage Clamped and Thermally Protected

* 55 µA Standby Current

* Pb-Free Packaging Designated by Suffix Code EG

33287_FreescaleSemiconductor.pdf