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Motorola Electronic Components Datasheet

MC33289 Datasheet

Dual High-Side Switch

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Freescale Semiconductor, Inc.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33289/D
Rev 3.0, 05/2003
Advance Information
33289
Dual High-Side Switch
The 33289 is a dual high-side switch (DHSS) dedicated for use in
automotive and industrial applications. It is designed to drive typical inductive
loads such as solenoid valves.
This device consists of two independent 40 mRDSON MOSFET channels
plus corresponding control circuitry in a surface mount package. The 33289
can be interfaced directly to a microcontroller for input control and monitoring
of diagnostic output.
Each switch offers independent protection and diagnosis during short
circuit, overvoltage, and undervoltage conditions, as well as an over-
temperature shutdown feature. A logic low on the Open Load Detect Enable
pin (OLDE) minimizes bias current drain by disabling the open load circuitry
current source. The device also has a very low quiescent current in Standby
mode.
DUAL HIGH-SIDE SWITCH
Features
• Designed to Drive Inductive Loads
• Operating Voltage Range from 6.0 V to 27 V
• Maximum Breakdown Voltage Greater Than 40 V
• Surface Mount Package
• 40 mRDS(ON) at 25°C
• Overtemperature Protection with Hysteresis
• Short Circuit Protection
• Undervoltage Shutdown
• Overvoltage Shutdown
• Open Load Detection in Off-State
• Independent Diagnostic Output
• ESD Protection 2.0 kV with Standby Current > 5.0 µA at VBAT Below 14 V
DW SUFFIX
CASE 751D
20-LEAD SOICW
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33289DW/R2 -40 to 125°C
20 SOICW
33289 Simplified Application Diagram
MCU
5.0 V
VPWR
ST1
ST2
IN1
IN2
OLDE
VBAT
OUT1
OUT2
GND
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Motorola, Inc. 2003
For More Information On This Product,
Go to: www.freescale.com


Motorola Electronic Components Datasheet

MC33289 Datasheet

Dual High-Side Switch

No Preview Available !

Freescale Semiconductor, Inc.
Battery
VBAT VBAT VBAT VBAT
OUT2
OUT2
5.0 V
Status Pull-Up
Resistors
Load 2
10 k
10 k
ST 2
IN2
CHANNEL 2
VBAT VBAT VBAT VBAT
Charge
Pump
Overtemperature
Thermal
Sensor
MCU
IN1
OLDE
ST 1
Input
Trigger
Undervoltage
& Overvoltage
Lockout
Open
Load
Over
Current
GND
Figure 1. 33289 Simplified Block Diagram
CHANNEL 1
OUT1
OUT2
LOAD
33289
2
For More Information OMnOTTOhRiOsLPA rAoNdAuLOcGt,INTEGRATED CIRCUIT DEVICE DATA
Go to: www.freescale.com


Part Number MC33289
Description Dual High-Side Switch
Maker Motorola
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MC33289 Datasheet PDF






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