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MC33288 Datasheet PDF : 8 Pages
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Freescale Semiconductor, Inc.
MOTOROLA
Semiconductor Technical Data
Order Number: MC33288/D
Rev. 4.8, 06/2001
Advance Information
Solid State Relay for Automotive
Flasher Applications
MC33288
SOLID STATE RELAY FOR
AUTOMOTIVE FLASHER
APPLICATIONS
SEMICONDUCTOR
TECHNICAL DATA
This device is a Dual High Side Power Switch dedicated for automotive flasher
applications. In comparison with mechanical solutions, this device offers higher
reliability as well as protection and diagnostic features.
The device consists of two 25mΩ Rdson fully protected high side switches, in a
surface mount power package. It interfaces directly with a microcontroller and
includes a current recopy function in order to allow the detection of a failed lamp in
the application.
• Designed for Automotive Flasher Applications
• Junction Temperature Range from - 40°C to 150°C
• Operating Voltage Range from 8V to 35V
• Maximum Breakdown Voltage greater than 40V
• Protected in case of loss of ground
• Surface Mount Power Package
• 25mΩ Rdson per Channel at 25°C
• 8Amps Nominal Current per Channel
• 1.2W Warning Lamp Driver
• Overtemperature Protection with Hysteresis
• Open Load Detection in On-State
• Short-Circuit Protection
• Overload Current Protection
• Current Recopy to Monitor Lamp Output Current
• Under Voltage Shutdown
• ESD Protection 2kV
• Standby Current less than 10µA at Vbat less than 14V
DH SUFFIX
HSOP20 Package
CASE 979-04
PIN ASSIGNMENT
Vbat
GND 1
21
20 Wlp
Cur R 2
IN-1 3
NC 4
DNC* 5
Out-1 6
Out-1 7
Out-1 8
NC 9
NC 10
* Do Not Connect
Heat sink
21
Vbat
19 Status
18 IN-2
17 NC
16 DNC*
15 Out-2
14 Out-2
13 Out-2
12 NC
11 NC
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC33288DH
TA=-40° to +125°C
HSOP20
MC33288DHR2
TA=-40° to +125°C
HSOP20
Buzzer
Turn
switch
Warning
switch
dashboard
direction indicator
5V
I/O
I/O
MCU
I/O
A/D
Simplified Application Schematic
5V
10k
IN-1
VBAT
OUT-1
+-
IN-2
ST
Cur R
MC33288
Static Flasher
21W 21W
5W
OUT-2
Car left side lamps
dashboard
trailer indicator
Gnd
Wlp
1.2W
21W 21W
5W
Car right side lamps
Trailor
21W 5W
21W 5W
This document contains information on a new product. Specifications and
information herein are subject to change without notice.
TM
© Motorola, Inc., 2001. All rights reserved. For More Information On This Product,
Go to: www.freescale.com
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