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33287

更新时间: 2024-01-11 20:00:44
品牌 Logo 应用领域
飞思卡尔 - FREESCALE 驱动器电感器监控
页数 文件大小 规格书
15页 382K
描述
Contact Monitoring and Dual Low-Side Protected Driver

33287 技术参数

生命周期:ActiveReach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8504.50.80.00
风险等级:5.62Is Samacsys:N
直流电阻:0.0015 Ω标称电感 (L):25.2 µH
电感器类型:GENERAL PURPOSE INDUCTOR功能数量:1
端子数量:2最大额定电流:66.9 A
形状/尺寸说明:RECTANGULAR PACKAGE屏蔽:NO
表面贴装:NO端子位置:RADIAL
端子形状:FLAT容差:12%
Base Number Matches:1

33287 数据手册

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Document Number: MC33287  
Rev. 5.0, 2/2007  
Freescale Semiconductor  
Technical Data  
Contact Monitoring and Dual  
Low-Side Protected Driver  
33287  
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.  
AUTOMOTIVE CONTACT MONITORING AND  
DUAL LOW-SIDE PROTECTED DRIVER  
The 33287 has eight sense inputs (rated at 40 V) with thresholds  
ratiometric to VBAT. One sense input has a dedicated output for direct  
interfacing to the MCU and the remaining seven inputs are  
multiplexed interfaced to the MCU.  
The two low-side switch outputs are current limited to 535 mA and  
internally clamped to 50 V. Outputs also have independent  
overtemperature shutdown and diagnostic reporting.  
DW SUFFIX  
EG SUFFIX (PB-FREE)  
98ASB42343B  
Features  
20-PIN SOICW  
Eight High-Voltage Sense Inputs  
Direct Interfacing to Microcontroller  
Two Current Limited Low-Side Drivers  
Drivers Internally Overvoltage Clamped and Thermally  
Protected  
ORDERING INFORMATION  
Temperature  
Device  
Package  
Range (T )  
A
55 µA Standby Current  
Pb-Free Packaging Designated by Suffix Code EG  
MC33287DW/R2  
MCZ33287EG/R2  
-40 to 125°C  
20 SOICW  
GND Sense  
5.0 V  
33287  
VBAT  
VDD1  
VDD2  
VDD  
IN0  
IN1  
IN2  
IN3  
IN4  
IN5  
IN6  
IN7  
AD0  
AD1  
8 Sense  
to GND  
or VBAT  
AD2  
MCU  
Inputs  
OUT1  
OUT7  
CD1  
OUTD1  
OUTD2  
CD2  
GND  
V
BAT Sense  
Figure 1. Simplified Application Design  
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,  
as may be required, to permit improvements in the design of its products.  
© Freescale Semiconductor, Inc., 2007. All rights reserved.  

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