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33289 Schematic ( PDF Datasheet ) - Freescale Semiconductor

Teilenummer 33289
Beschreibung Dual High-Side Switch
Hersteller Freescale Semiconductor
Logo Freescale Semiconductor Logo 




Gesamt 11 Seiten
33289 Datasheet, Funktion
www.DFaretaeSshceeatl4eUS.ceommiconductor
Advance Information
Document Number: MC33289
Rev. 4.0, 6/2006
Dual High-Side Switch 40 m
The 33289 is a Dual High Side Switch (DHSS) dedicated for use
in automotive 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
overcurrent, overvoltage, and undervoltage conditions, as well as an
overtemperature 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.
FEATURES
• Designed to drive Automotive Inductive loads
• Operating Voltage Range from 6.0 V to 27 V
• Maximum Breakdown Voltage greater than 40 V
• 40 mRDSON at 25°C
• Overtemperature Protection with Hysteresis
• Overcurrent protection
• Under Voltage Shutdown
• Over Voltage Shutdown
• Open Load Detection in Off-State
• Independent Diagnostic Output
• ESD Protection 2.0 kV
• Standby Current less than 5.0 µA at VBAT below 14 V
33289
DUAL HIGH-SIDE SWITCH
DW SUFFIX)
98ASB42343B
20-PIN SOICW
ORDERING INFORMATION
Device
MC33289DW/R2
Temperature
Range (TA)
-40°C to 125°C
Package
20 SOICW
MCU
VPWR
5.0 V 33289
VBAT
OUT1
ST1 OUT2
ST2
IN1
IN2 GND
OLDE
Figure 1. 33289 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2006. All rights reserved.






33289 Datasheet, Funktion
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions 7.0 V VSUP 18 V, -40°C TA 125°C, GND = 0 V unless otherwise noted. Typical
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max Unit
Status Pin Capacitance
VST = 5 V
CST pF
80
OVERLOAD PROTECTION CHARACTERISTICS
Overcurrent latchoff threshold
VBAT = 13.5 V
IOCT
4.0
A
9.0
Thermal Shutdown
Thermal Shutdown Hysteresis
Overvoltage Shutdown Threshold
Both IN1, IN2 logic high
Overvoltage Shutdown Hysteresis
Both IN1, IN2 logic high
Undervoltage Shutdown Threshold
Both IN1, IN2 logic high
Undervoltage Shutdown Hysteresis
Both IN1, IN2 logic high
TSHUT
150
165
175 °C
THYST
10 °C
VOV
27
V
38
VOVHYST
0.1
V
2.0
VUV
4.75
V
6.0
VUVHYST
V
0.3 0.6 1.0
OPEN CIRCUIT DETECTION CHARACTERISTICS
Open Load Detect Current
VOUT = 3.5 V, OLDE = 4.0 V
IOL µA
200 290 400
Open Load Threshold Voltage
Openload threshold voltage
VOL 1.5 2.4 3.5 V
VINOL
1.5
2.5
3.5
V
33289
6
Analog Integrated Circuit Device Data
Freescale Semiconductor

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