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MC34988CHFK PDF预览

MC34988CHFK

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, Tray

MC34988CHFK 技术参数

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

MC34988CHFK 数据手册

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Document Number: MC34988  
Rev. 1.0, 9/2014  
ale Semiconductor  
ce Information  
Dual Intelligent High-current  
Self-protected Silicon High-side  
Switch (8.0 mOhm  
34988  
The 34988 is a dual self-protected 8.0 mswitch 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 mmax 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 VPWR protection  
VDD  
VDD  
VDD  
VPWR  
34988  
VDD  
FS  
VPWR  
GND  
I/O  
I/O  
WAKE  
HS1  
HS0  
SI  
SO  
SCLK  
CS  
SCLK  
CS  
MCU  
SO  
SI  
LOAD  
RST  
INO  
IN1  
I/O  
I/O  
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.  
© Freescale Semiconductor, Inc., 2014. All rights reserved.  

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