Freescale Semiconductor
Advance Information
Document Number: MC33289
Rev. 4.0, 6/2006
Dual High-Side Switch 40 mΩ
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 mΩ R
DSON
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.
33289
DUAL HIGH-SIDE SWITCH
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 mΩ R
DSON
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 V
BAT
below 14 V
DW SUFFIX)
98ASB42343B
20-PIN SOICW
ORDERING INFORMATION
Device
MC33289DW/R2
Temperature
Range (T
A
)
- 40°C to 125°C
Package
20 SOICW
VPWR
5.0 V
33289
VBAT
ST1
ST2
IN1
IN2
OLDE
OUT1
OUT2
GND
MCU
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.
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
