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33480 Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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33480 Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 39 page ![]() Document order number: MC33480 Rev 2.0, 1/2006 Freescale Semiconductor Technical Data © Freescale Semiconductor, Inc., 2005. All rights reserved. * This document contains information on a product under development. Freescale reserves the right to change or discontinue this product without notice. Smart Front Corner Light Switch (Triple 10 m Ω and Dual 35 m Ω) The 33480 is designed for low-voltage automotive and industrial lighting applications. Its five low RDS(ON) MOSFETs (three 10 mΩ, two 35 m Ω) 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 Ω and Dual 35 mΩ 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 Figure 1. 33480 Simplified Application DiagraM HIGH-SIDE SWITCH PNASUFFIX 98ARL10596D 24-TERMINAL PQFN 33480 ORDERING INFORMATION Device Temperature Range (TA) Package PC33480PNA/R2 -40°C to 125°C 24 PQFN Bottom View 33480 GND CSNS FETOUT FETIN OUT5 OUT4 OUT3 OUT2 OUT1 CP MCU LIMP CS SO SI SCLK IGN VBAT VCC 12 V 5.0 V 12 V FLASHER RSTB CLOCK Watchdog Smart Switch |
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