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