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Freescale Semiconductor, Inc.

Semiconductor Technical Data

MOTOROLA

Order Number: MC33287/D

Rev. 3.1, 1999

Advance Information

MC33287

Contact Monitoring and Dual

Low Side Protected Driver

SEMICONDUCTOR

TECHNICAL DATA

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.

鈥?8 High Voltage Input Triggers :

- 1 Direct Output and 7 Multiplexed,

- Direct Interface with Microcontroller

鈥?2 Low Side Drivers

- Current Limitation : I

lim

Typ = 0.5A (Each Output)

- Internal Clamp : V

clamp

Typ = 50V

- Low Power Consumption in Standby Mode : I

max

= 110碌A

- Overtemperature Protection (Typical 160擄C)

- Outputs Fault Detection

DW SUFFIX

PLASTIC PACKAGE

SO20L

PIN ASSIGNMENT

VDD1

IN3

IN2

IN1

IN0

AD0

AD1

AD2

OUTD1

1

2

3

4

5

6

7

8

9

20

19

18

17

16

15

14

13

12

11

VDD2

IN4

IN5

IN6

IN7

OUT7

OUT1

CD1

CD2

OUTD2

Freescale Semiconductor, Inc...

GND

10

ORDERING INFORMATION

Device

MC33287DW

Temperature

Range

-40擄C to +125擄C

Package

SO20L

IN0

IN1

Simplified Block Diagram

IN2

IN3

IN4

IN5

IN6

IN7

VDD1

Internal

supply

VDD2

AD2

OUT7

Multiplexer 7 to 1 and diagnostic logic

OUT1

AD1

AD0

Fault detector

Fault detector

OUTD1

Over temp detection

Control

VDD2

Over temp detection

Control

OUTD2

Current limitation

Current limitation

GND

CD1

CD2

This document contains information on a new product. Specifications and

information herein are subject to change without

For More Information

notice.

漏 Motorola, Inc., 1999. All rights reserved.

On This Product,

Go to: www.freescale.com

next

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