MC33287DW Freescale Semiconductor, MC33287DW Datasheet

IC SWITCH DUAL LOW-SIDE 20-SOIC

MC33287DW

Manufacturer Part Number
MC33287DW
Description
IC SWITCH DUAL LOW-SIDE 20-SOIC
Manufacturer
Freescale Semiconductor
Type
Low Sider
Datasheet

Specifications of MC33287DW

Input Type
Non-Inverting
Number Of Outputs
2
On-state Resistance
1.4 Ohm
Current - Peak Output
535mA
Voltage - Supply
7 V ~ 18 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Output / Channel
-

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Company
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Manufacturer
Quantity
Price
Part Number:
MC33287DW
Manufacturer:
FREESCALE Semiconductor
Quantity:
2
Part Number:
MC33287DW
Manufacturer:
MOT
Quantity:
28
Part Number:
MC33287DW
Manufacturer:
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Quantity:
20 000
Part Number:
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Manufacturer:
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Quantity:
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Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2007. All rights reserved.
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
Contact Monitoring and Dual
Low-Side Protected Driver
microcontroller. Eight switch-to-battery (or switch-to-ground) sense
monitor switch status. Additionally, two internal low-side switches are
available to control inductive or capacitive loads.
ratiometric to V
interfacing to the MCU and the remaining seven inputs are
multiplexed interfaced to the MCU.
internally clamped to 50 V. Outputs also have independent
overtemperature shutdown and diagnostic reporting.
Features
The 33287 interfaces between switch contacts and a
The 33287 has eight sense inputs (rated at 40 V) with thresholds
The two low-side switch outputs are current limited to 535 mA and
• Eight High-Voltage Sense Inputs
• Direct Interfacing to Microcontroller
• Two Current Limited Low-Side Drivers
• Drivers Internally Overvoltage Clamped and Thermally
• 55 µA Standby Current
• Pb-Free Packaging Designated by Suffix Code EG
Protected
BAT
. One sense input has a dedicated output for direct
V
BAT
Figure 1. Simplified Application Design
V
BAT
8 Sense
to GND
or V
Inputs
Sense
BAT
GND Sense
VDD1
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUTD1
OUTD2
33287
MCZ33287EG/R2
MC33287DW/R2
AUTOMOTIVE CONTACT MONITORING AND
VDD2
OUT1
OUT7
GND
CD1
CD2
AD0
AD1
AD2
DUAL LOW-SIDE PROTECTED DRIVER
Device
5.0 V
ORDERING INFORMATION
EG SUFFIX (PB-FREE)
98ASB42343B
20-PIN SOICW
33287
VDD
MCU
Document Number: MC33287
DW SUFFIX
Temperature
-40 to 125°C
Range (T
A
)
Rev. 5.0, 2/2007
20 SOICW
Package

Related parts for MC33287DW

MC33287DW Summary of contents

Page 1

... Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2007. All rights reserved. AUTOMOTIVE CONTACT MONITORING AND DUAL LOW-SIDE PROTECTED DRIVER Device MC33287DW/R2 MCZ33287EG/R2 GND Sense 33287 VDD1 VDD2 ...

Page 2

... Figure 2. 33287 Simplified Internal Block Diagram 33287 2 INTERNAL BLOCK DIAGRAM IN1 IN2 IN3 IN4 IN5 Multiplexer and Diagnostic Logic DIAGD1 DIAGD2 Fault Detector Overtemperature V DD2 Current GND CD1 CD2 IN6 IN7 VDD2 OUT7 OUT1 OUTD2 Detection Control Current Limitation Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 3

... AD0 – AD2 Address 9, 11 OUTD1, Output Drain OUTD2 10 GND Ground 12, 13 CD1, CD2 Command Driver 14 OUT1 Output 1 15 OUT7 Output 7 Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS 1 VDD1 20 VDD2 IN3 2 19 IN4 3 IN2 18 IN5 IN1 17 4 IN6 5 IN0 ...

Page 4

... T PPRT θ R J-A = 100 pF, R ZAP = 0 Ω). = 200 pF, R ZAP ZAP Value Unit 7 ±2000 ±200 -40 to 125°C °C -65 to 150 °C 0.7 W °C Note 4. 100 °C/W = 1500 Ω), ESD2 testing is performed in ZAP Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 5

... Input Current on Pin CD2 (Internal Pull Down CD2 Connected to V Leakage Current on Pin CD2 (Internal Pull-Up CD1 Connected to Ground) Notes 5 All INn and ADn inputs are connected to ground. Analog Integrated Circuit Device Data Freescale Semiconductor ≤ 4.75 V ≤ V ≤ 5.25 V, -40°C ≤ T DD1 DD2 Symbol ...

Page 6

... Analog Integrated Circuit Device Data ≤ 125°C, unless otherwise A Typ Max Unit — 4 DD1 — 3 DD1 — — V DD1 1.0 — V — 5.0 µ — 4 DD2 — — V DD2 750 — mV — 5.0 µA — 2 DD2 — — V DD2 Freescale Semiconductor ...

Page 7

... OUTPUT DRIVERS CHARACTERISTICS (OUTD1 AND OUTD2 PINS) Turn ON Delay Time Turn OFF Delay Time Output Rising Edge Output Falling Edge Difference Between Command Duration and Bit Duration Analog Integrated Circuit Device Data Freescale Semiconductor DYNAMIC ELECTRICAL CHARACTERISTICS ≤ ≤ ≤ ≤ ...

Page 8

... COMMAND BIT 80% 50% t BIT 20 FALL Figure 4. Timing Characteristics V BAT R1 = 500 Ω CD1 OUTD1 kΩ CD2 OUTD2 Figure 5. Timing Test Configuration t 80% 50% 20% t OFF t t RISE 250 pF V BAT R1 = 500 Ω 2 250 kΩ Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 9

... Notes 9 IN0 to IN6 are the normalized values. 10 DIAGD1 or DIAGD2 are the values of the selected internal fault detector. See Analog Integrated Circuit Device Data Freescale Semiconductor LOGIC COMMANDS AND REGISTERS (8) OUTD1 DIAGD1 High Level for Logic Signals High Level for Logic Signals ...

Page 10

... Unknown High Level 33287 10 Inputs AD1 AD0 Unknown Unknown Low Level High Level High Level High Level Unknown Unknown High Level Low Level High Level High Level OUT1 Unknown Unknown DIAGD1 Unknown Unknown DIAGD2 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 11

... Vbat or GND Vbat 470nF Relay Relay (65Ω) Lamp (1,2W) Resistor Lamp V BAT 500 Ω Contact to V Analog Integrated Circuit Device Data Freescale Semiconductor TYPICAL APPLICATIONS 1 VDD1 VDD2 20 2 IN3 IN4 1 9 IN2 IN5 IN1 IN6 IN0 IN7 AD0 OUT7 AD1 ...

Page 12

... NOTE: The only difference between the low side driver 1 and 2 is the polarity of the command. Also, there is an integral pull-up at pin CD1, and an internal pull-down at pin CD2. 33287 12 IN1 IN2 IN3 IN4 IN5 LOGIC MULTIPLEXER NQ Q DIAGD1 S R VDD2 VALIM VALIM Figure 8. Electrical Schematic IN6 IN7 OUT7 OUTi DIAGD2 OUTD2 OUTD1 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 13

... For the most current package revision, visit www.freescale.com and perform a keyword search using the “98A” listed below. Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGE PACKAGE DIMENSIONS DW SUFFIX EG SUFFIX (PB-FREE) 20-PIN PLASTIC PACKAGE 98ASB42343B REV. J PACKAGE PACKAGE DIMENSIONS 33287 13 ...

Page 14

... Added note with instructions to obtain this information from Internal Block Diagram on page 2 33287 Pin Definitions on page 3 Storage Temperature on page 4 Output Resistance (Extent Limit and T Electrical Schematic on page 12 Maximum Ratings on page 4. ≤ 130°C) on page 5 J Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 15

... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...

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