Datasheet > MCZ33287R2

MCZ33287R2

更新时间： 2024-11-25 03:49:59

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		驱动器监控
页数	文件大小	规格书
15页	382K
描述
Contact Monitoring and Dual Low-Side Protected Driver

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数据手册

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MCZ33287R2 数据手册

Document Number: MC33287

Rev. 5.0, 2/2007

Freescale Semiconductor

Technical Data

Contact Monitoring and Dual

Low-Side Protected Driver

33287

The 33287 interfaces between switch contacts and a

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.

AUTOMOTIVE CONTACT MONITORING AND

DUAL LOW-SIDE PROTECTED DRIVER

The 33287 has eight sense inputs (rated at 40 V) with thresholds

ratiometric to V_BAT. One sense input has a dedicated output for direct

interfacing to the MCU and the remaining seven inputs are

multiplexed interfaced to the MCU.

The two low-side switch outputs are current limited to 535 mA and

internally clamped to 50 V. Outputs also have independent

overtemperature shutdown and diagnostic reporting.

DW SUFFIX

EG SUFFIX (PB-FREE)

98ASB42343B

Features

20-PIN SOICW

•

Eight High-Voltage Sense Inputs

Direct Interfacing to Microcontroller

Two Current Limited Low-Side Drivers

Drivers Internally Overvoltage Clamped and Thermally

Protected

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

•

55 µA Standby Current

Pb-Free Packaging Designated by Suffix Code EG

MC33287DW/R2

MCZ33287EG/R2

-40 to 125°C

20 SOICW

GND Sense

5.0 V

33287

V_BAT

VDD1

VDD2

VDD

IN0

IN1

IN2

IN3

IN4

IN5

IN6

IN7

AD0

AD1

8 Sense

to GND

or V_BAT

AD2

MCU

Inputs

OUT1

OUT7

CD1

OUTD1

OUTD2

CD2

GND

_BATSense

Figure 1. Simplified Application Design

Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

12 3 4 5 6 7...15

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