首页	公司简介	产品展台	开发生产	资料下载	技术支持	解决方案	展会消息
代理经销	集成电路	高频微波	消费电子	工控网络	安防报警	光纤光电	汽车电子
合作交流	留言本	友情连接	热卖产品	销售网络	招聘加盟	新品介绍	联系我们

Motorola : Semiconductors : Product Catalog : Analog : Power IC : Low Side Switches : MC33291

Page Contents

Features
Parametrics
Documentation
Orderable Parts

Other Info

MC33291 : 1.2 Ohm Rdson Smart Eight Output Switch with SPI

The MC33291 is an eight output low side power switch with 8 bit serial input control. The MC33291 is a versatile circuit designed for automotive applications, but is well suited for other environments. The MC33291 incorporates SMARTMOS technology, with CMOS logic, bipolar/MOS analog circuitry, and DMOS power MOSFETs. The MC33291 interfaces directly with a microcontroller to control various inductive or incandescent loads.

MC33291 Features

Designed to Operate Over Wide Supply Voltages of 5.5 to 26.5 V

Interfaces Directly with Microprocessor Using 8 Bit SPI I/O Protocol to 3.0 MHz

1.0 A Peak Current Outputs with Maximum RDS(on) of 1.2 W at Tj = 150 deg C

Outputs Current Limited to 1.0 to 3.0 A for Switching Incandescent Loads

Output Voltages Clamped to 53 V During Inductive Switching

Maximum Sleep Current (I PWR ) of 25 mA with Reset Low

Maximum of 4.0 mA I DD During Operation

Maximum of 2.0 mA I PWR During Operation with All Outputs ON

Open Load Detection (Outputs OFF)

Overvoltage Detection and Shutdown

MC33291 Parametrics

Characteristics	Package	Channel Number	High/Low	Ron (mOhm)	I LIM.	I standby Max	Protection	Control	Status Reporting	Availability
8 times 500mA, at Tamb=125 degrees C	24 SOICW	8	L	1000	1-3A	25uA	Short circuit, Current limit, Temp Sense	SPI	SPI	NOW

MC33291 Documentation

Brochure

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
APDPAK/D	Analog ICs Portfolio Package	html	0	0	1/31/2002
BR1567/D	Analog ICs Integrated Solutions Technology	pdf	5416	0	1/16/2002
BR1568/D	Analog ICs Integrated Solutions Packaging	pdf	1411	0	1/11/2002
BR1569/D	Analog ICs Integrated Solutions Applications	pdf	2363	0	1/11/2002

Data Sheets

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
MC33291/D	BASIC OCTAL SERIAL SWITCH W/ SERIAL PERIPH. R1	pdf	249	1	1/01/1998

Fact Sheets

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
MC33291LFS/D	Analog Products MC33291 / MC33291L Fact Sheet	pdf	503	0	1/16/2002

Selector Guide

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
SG1002/D	Analog SPS Sales Guide	pdf	869	0	6/27/2002

Orderable Parts Information

PartNumber	Package Info	Life Cycle Description (code)	Remarks	Budgetary Price QTY 1000+ ($US)	Order Availability
MC33291DW	SOW24	PRODUCT STABLE GROWTH/MATURITY(3)	-	$1.79
MC33291DWR2	SOW24 T/R	PRODUCT STABLE GROWTH/MATURITY(3)	-	$1.81