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Smart Front Corner Light Switch (Triple 10 m? and Dual 35 m?)

The 33480 is designed for low-voltage automotive and industrial lighting applications. Its five low RDS(ON) MOSFETs (three 10 m?, two 35 m?) can control the high sides of five separate resistive loads (bulbs).

Programming, control, and diagnostics are accomplished using a 16-bit SPI interface. Each output has its own PWM control via SPI. The 33480 has highly sophisticated failure mode handling to provide high availability of the outputs. Its multiphase control and output edge shaping improves electromagnetic compatibility (EMC) behavior.

The 33480 is packaged in a power-enhanced 12 x 12 nonleaded Power QFN package with exposed tabs.

Features

? Triple 10 m? and Dual 35 m? High-Side Switches

? 16-bit SPI Communication Interface with Daisy Chain Capability

? Current Sense Output with SPI-Programmable Multiplex Switch

? Digital Diagnosis Feature

? PWM Module with Multiphase Feature

? Fully Protected Switches

? Overcurrent Shutdown detection

? Power Net and Reverse Polarity Protection

? Low-Power Mode

? Fail Mode Functions including Autorestart feature

? External smart power switch control including current recopy