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PDF MC33287 Data sheet ( Hoja de datos )
| Número de pieza | MC33287 | |
| Descripción | Contact Monitoring and Dual Low Side Protected Driver | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MOTOROLAFreescale Semiconductor, Inc.
Order Number: MC33287/D
Rev. 3.1, 1999
Semiconductor Technical Data
Advance Information
Contact Monitoring and Dual
Low Side Protected Driver
The MC33287 has been designed to interface between
switching contacts (to battery or ground) and a microcontroller.
This circuit includes 2 low side drivers, resistive and inductive
loads or lamps.
• 8 High Voltage Input Triggers :
- 1 Direct Output and 7 Multiplexed,
- Direct Interface with Microcontroller
• 2 Low Side Drivers
- Current Limitation : Ilim Typ = 0.5A (Each Output)
- Internal Clamp : Vclamp Typ = 50V
- Low Power Consumption in Standby Mode : Imax = 110µA
- Overtemperature Protection (Typical 160°C)
- Outputs Fault Detection
MC33287
Contact Monitoring and Dual
Low Side Protected Driver
SEMICONDUCTOR
TECHNICAL DATA
DW SUFFIX
PLASTIC PACKAGE
SO20L
PIN ASSIGNMENT
VDD1 1
IN3 2
IN2 3
IN1 4
IN0 5
AD0 6
AD1 7
AD2 8
OUTD1 9
GND 10
20 VDD2
19 IN4
18 IN5
17 IN6
16 IN7
15 OUT7
14 OUT1
13 CD1
12 CD2
11 OUTD2
ORDERING INFORMATION
Device
MC33287DW
Temperature
Range
-40°C to +125°C
Package
SO20L
Simplified Block Diagram
IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7
VDD1
AD2
AD1
AD0
OUTD1
Internal
supply
Multiplexer 7 to 1 and diagnostic logic
Fault detector
Over temp detection
Control
Current limitation
VDD2
Fault detector
Over temp detection
Control
Current limitation
VDD2
OUT7
OUT1
OUTD2
GND
CD1
CD2
This document contains information on a new product. Specifications and
information herein are subject to change withoutFnooticre.More Information On This Product,
© Motorola, Inc., 1999. All rights reserved.
Go to: www.freescale.com
1 page  
Freescale SMeCm33i2c8o7 nductor, Inc.
8 LINE TO 1 LINE DATA MULTIPLEXER FUNCTION TABLE
Inputs
AD2 AD1 AD0
OUT1
xxx
-
lll
in0
l lh
lhl
l hh
in1
in2
in3
h = High Level, l = Low Level, x = high impedance, - unknown.
DIAGDi is the value of the selectionned internal fault detector (See below)
inO, ini...in6 are the normalised values of the INi respectives inputs
(INi = Vbat -ini = VDD2)
hl l
in4
hlh
in5
hh l
in6
h h h DIAGDi
FAULT DETECTOR SELECTION. This table presents the sequential patterns which enable to select the diagnostic of driver 1 (diagd1) or driver 2 (diagd2)
Inputs
AD2 AD1 AD0
OUTi
---
-
- lh
-
h h h DIAGD1
---
-
-hl
-
h h h DIAGD2
h = High Level, l = Low Level, x = high impedance, - unknown.
OUTPUTS : OUT1 AND OUT7 PINS
Parameters
Output Voltage Low (Iload = 2mA)
Output Voltage High (Iload = - 2mA)
Symbols
Min
Typ
Max
Unit
Vol
Voh 0,8 VDD2
0,2 VDD2
V
V
MC33287
For More MInOfoTrOmRaOtLiAon On This Product,
Go to: www.freescale.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MC33287.PDF ] | |
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