Datasheet > 33874_08

33874_08

更新时间： 2024-11-12 07:44:07

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		开关
页数	文件大小	规格书
38页	1963K
描述
Quad High Side Switch

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33874_08 数据手册

Document Number: MC33874

Rev. 9.0, 8/2008

Freescale Semiconductor

Advance Information

Quad High Side Switch

33874

(Quad 35mΩ)

The 33874 is one in a family of devices designed for low-voltage

automotive and industrial lighting and motor control applications. Its

four low R_DS(ON)MOSFETs (four 35mΩ) can control the high sides of

four separate resistive or inductive loads.

HIGH SIDE SWITCH

Programming, control, and diagnostics are accomplished using a

16-bit SPI interface. Additionally, each output has its own parallel input

for pulse-width modulation (PWM) control if desired. The 33874 allows

the user to program via the SPI the fault current trip levels and duration

of acceptable lamp inrush or motor stall intervals. Such

programmability allows tight control of fault currents and can protect

wiring harnesses and circuit boards as well as loads.

The 33874 is packaged in a power-enhanced 12x12 nonleaded

Power QFN package with exposed tabs.

Features

PNA SUFFIX (PB_FREE)

98ART10510D

24-PIN PQFN (12 x 12)

• Quad 35mΩ high side switches (at 25°C)

• Operating voltage range of 6.0V to 27V with standby current <

5.0μA

• SPI control of over-current limit, over-current fault blanking time,

output OFF open load detection, output ON/OFF control,

watchdog timeout, slew rates, and fault status reporting

• SPI status reporting of over-current, open and shorted loads,

over-temperature, under-voltage and over-voltage shutdown,

fail-safe pin status, and program status

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

• Analog current feedback with selectable ratio

• Analog board temperature feedback

MC33874BPNA/R2

-40°C to 125°C

24 PQFN

• Enhanced -16V reverse polarity V_PWRprotection

• Pb-free packaging designated by suffix code PNA

PWR

33874

VDD

VPWR

HS0

WAKE

SCLK

LOAD 0

LOAD 1

SCLK

HS1

HS2

HS3

I/O

RST

MCU

I/O

IN0

IN1

IN2

LOAD 2

LOAD 3

I/O

IN3

A/D

CSNS

TEMP

A/D

GND

FSI

Figure 1. 33874 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

12 3 4 5 6 7...38

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33879	FREESCALE	获取价格	Configurable Octal Serial Switch with Open Load Detect Current Disable
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33879_12	FREESCALE	获取价格	Configurable Octal Serial Switch with Open Load Detect Current Disable
33879A	FREESCALE	获取价格	Configurable Octal Serial Switch with Open Load Detect Current Disable
33880	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
33880_08	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
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33880_12	FREESCALE	获取价格	Configurable Octal Serial Switch with Serial Peripheral Interface I/O
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