Datasheet > MC34988CHFKR2

MC34988CHFKR2

更新时间： 2024-11-04 20:01:11

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
37页	763K
描述
High-Side Switch, 12V, Dual 8mOhm, PQFN 16, Reel

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MC34988CHFKR2 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.59	Base Number Matches：	1

MC34988CHFKR2 数据手册

Document Number: MC34988

Rev. 1.0, 9/2014

Freescale Semiconductor

Advance Information

Dual Intelligent High-current

Self-protected Silicon High-side

Switch (8.0 mOhm

34988

The 34988 is a dual self-protected 8.0 m switch used to replace

electromechanical relays, fuses, and discrete devices in power management

applications. The 34988 is designed for harsh environment and includes self-

recovery features. The device is suitable for loads with high inrush current, as

well as motors and all types of resistive and inductive loads.

HIGH-SIDE SWITCH

Programming, control and diagnostics are implemented via the serial

peripheral interface (SPI). A dedicated parallel input is available for alternate

and pulse-width modulation (PWM) control of each output. SPI-programmable

fault trip thresholds allow the device to be adjusted for optimal performance in

the application.

BOTTOM VIEW

FK SUFFIX

98ARL10521D

16-PIN PQFN

The 34988 is packaged in a power-enhanced 12 mm x 12 mm nonleaded

PQFN package with exposed tabs and powered by SMARTMOS technology.

Features

• Dual 8.0 m max high-side switch with parallel input or SPI control

• 6.0 V to 27 V operating voltage with standby currents < 5.0 A

• Output current monitoring with two SPI-selectable current ratios

• SPI control of overcurrent limit, overcurrent fault blanking time, output OFF

open load detection, output ON/OFF control, watchdog timeout, slew-rates,

and fault status reporting

Applications

• Low-voltage factory automation

• DC motor or solenoid

• Resistive and inductive loads

• Low-voltage industrial lighting

• SPI status reporting of overcurrent, open and shorted loads,

overtemperature, undervoltage and overvoltage shutdown, fail-safe pin

status, and program status

• Enhanced -16 V reverse polarity V_PWRprotection

V_DD

V_PWR

34988

VDD

VPWR

GND

I/O

WAKE

HS1

HS0

SCLK

MCU

LOAD

RST

INO

IN1

I/O

LOAD

CSNS

FSI

A/D

GND

Figure 1. 34988 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...37

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