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Freescale Semiconductor Electronic Components Datasheet

33288 Datasheet

Solid State Relay

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Advance Information
Document Number: MC33288
Rev 6.0, 5/2006
Solid State Relay for
Automotive Flasher
Applications
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 25 mRdson 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.
Features
• Junction Temperature Range from -40°C to 150°C
• Operating Voltage Range from 8.0 V to 35 V
• Maximum Breakdown Voltage greater than 40 V
• 25 mRDS(ON) per Channel at 25°C
• 8.0 Amps Nominal Current per Channel
• 1.2 W Warning Lamp Driver
• Overtemperature Protection with Hysteresis
• Open Load Detection in ON State
• Current Recopy to Monitor Lamp Output Current
33288
SOLID STATE RELAY
DH SUFFIX
98ASH70273A
20-LEAD HSOP
ORDERING INFORMATION
Device
MC33288DDH/R2
Temperature
Range (TA)
-40°C to 125°C
Package
20 HSOP
• Standby Current < 10 µA at VBAT < 14 V
Simplified Application Diagram
5.0 V VPWR
33288
VBAT
ST OUT-1
MCU
IN-1 WLP
IN-2
1.2 W
21 W 21 W 5 W 21 W 5 W
Cur R
OUT-2
GND
21 W 21 W 5 W 21 W 5 W
Figure 1. 33288 Simplified Internal Block 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 Semiconductor Electronic Components Datasheet

33288 Datasheet

Solid State Relay

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TERMINAL CONNECTIONS
TERMINAL CONNECTIONS
VBAT
21
GND
CUR R
IN1
NC
DNC
OUT1
OUT1
OUT1
NC
NC
1
2
3
4
5
6
7
8
9
10
20 WLP
19 STATUS
18 IN2
17 NC
16 DNC
15 OUT2
14 OUT2
13 OUT2
12 NC
11 NC
21
VBAT
Figure 2. 33288 Terminal Connections
Table 1. 33288 Terminal Definitions
A functional description of each terminal can be found in the Functional Description section beginning on 7.
Terminal
Number
TAB
2
Terminal
Name
VBAT
CUR R
Formal Name
Definition
Supply Voltage
Load Current Sense
The backside TAB is connected to the power supply of the MC33288DH.
The Current Sense terminal delivers a ratioed amount (1/1000) of the sum of the currents
that can be used to generate signal ground referenced output voltages for use by the
microcontroller.
3
18
4, 9, 10, 11,
12, 17
5, 16
6, 7, 8
13, 14, 15
11
19
20
IN1 INPUT Channel 1 These are the device input terminals which directly control their associated outputs.
IN2 INPUT Channel 2
NC
No Connect
These terminals are not used.
DNC
OUT1
OUT2
GND
STATUS
WLP
Do Not Connect These terminals must not be connected.
OUTPUT Channel 1 They deliver current to the connected loads and are controlled via the IN1 terminals.
OUTPUT Channel 2 They deliver current to the connected loads and are controlled via the IN2 terminals,
Ground
This is the ground terminal of the device.
Status for Both
Channels
The Fault output is an open drain indication that goes active low when a fault mode
(Openload, Overtemperature) is detected by the device.
Warning Lamp Output It delivers current through the connected load.
33288
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number 33288
Description Solid State Relay
Maker Freescale Semiconductor
PDF Download

33288 Datasheet PDF






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