Datasheet > SMS48GCR06

SMS48GCR06

更新时间： 2025-08-17 04:03:43

品牌	Logo	应用领域
SUMMIT		监控
页数	文件大小	规格书
16页	841K
描述
Quad Programmable Precision Supervisory Controller With Independent Resets

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中文翻译

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数据手册

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SMS48GCR06 数据手册

SUMMIT

SMS48

MICROELECTRONICS, Inc.

PRELIMINARY INFORMATION¹(SEELASTPAGE)

Quad Programmable Precision Supervisory Controller With Independent

Resets

FEATURES

INTRODUCTION

The SMS48 is a highly programmable voltage supply

controller and supervisory circuit designed specifically for

advancedsystemsthatneedtomonitormultiplevoltages.

TheSMS48canmonitorfourseparatevoltageswithoutthe

need of any external voltage divider circuitry. This allevi-

ates the need for factory-trimmed threshold voltages and

theuseofexternalcomponentstoaccommodatedifferent

supply voltages and tolerances.

z Operational from any of four Voltage Monitoring

Inputs

z FourIndependentProgrammableResetOutputs

z Programmability allows monitoring any voltage

between 0.6V and 5.6V with no external

components

z Programmable 5mV steps in the low range

z ProgrammableWatchdogTimer

z Programmable Reset Pulse Width

z FaultStatusRegister

The SMS48 has four programmable independant reset

outputstocontroldifferentdevicesforvaryingresetcondi-

tions such as UV, OV, watchdog and user pushbutton

applications.

APPLICATIONS

The SMS48 watchdog timer has a user programmable

time-out period and it can be placed in an idle mode for

system initialization or system debug. All of the functions

areuseraccessiblethroughanindustrystandardI²Cserial

interface.

z Desktop/Notebook/TabletComputers

z Multi-voltageSystems

z Telecom/NetworkServers

z PortableBattery-poweredEquipment

z Set-topBoxes

Programmingofconfiguration, controlandcalibrationval-

ues by the user is simplified with the SMX3200 interface

adapterandWindowsGUIsoftwareobtainablefromSum-

mit Microelectronics.

z Data-storageEquipment

SIMPLIFIED APPLICATION DRAWING

I C

Vpullup (0 to +12V)

SCL

SDA

A2 A1

3.3V

2.5V

1.8V

1.2V

uP/DSP

ASIC/FPGA

Logic

RESET#0

Monitored

Supplies

RESET#1

RESET#2

SMS48

RESET#

From uP

MR#

WLDI

GND

RESET#3

LCD

VDD_CAP

0.1µF

Figure 1 - Precision Quad Power Supply Monitor can monitor any voltage over the range of 0.6V to 5.6V.

One of the four supplies must be above 2.7V to power the SMS48.

www.summitmicro.com

2088 1.1 04/10/05

Characteristics subject to change without notice

12 3 4 5 6 7...16

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