ILC5140XCS Impala Linear Corporation, ILC5140XCS Datasheet

ILC5140XCS

Manufacturer Part Number

ILC5140XCS

Description

CMOS MULTILEVEL VOLTAGE DETECTOR

Manufacturer

Impala Linear Corporation

Datasheet

1.ILC5140XCS.pdf (6 pages)

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The ILC514X is an innovative, multilevel voltage detector,

designed to monitor the terminal voltage of a power source

and provide up to four independent flags when the voltage

levels drop below designated levels.

unique in its design because one device can now signal the

user when a discharging battery goes below four (4) differ-

ent threshold voltages and because it requires no external

precision components to monitor these voltage levels. The

open drain flags are asserted when the terminal voltage

goes below their designated thresholds and are de-assert-

ed 140ms after the thresholds are exceeded. Additionally,

the ILC514X has a manual reset pin that allows the system

to assert all flags for a minimum of 200ms.

Built using Impala’s prorprietary Analog CMOS process, the

ILC514X is packaged in a spacesaving MSOP10 package.

Quiescent current is below 10µA. The threshold values for

the reset flags are factory set. Alternate values may be dis-

cussed with Impala Product Marketing. Threshold values

are accurate to within ±1%. The device is available in three

output configurations:

RESET and Push Pull RESET.

ILC514x 1.1

General Description

ILC5140/5141/5142

CMOS Multilevel Voltage Detector

Impala Linear Corporation

Typical Circuit

Impala Linear Corporation

Battery

Open Drain RESET, Push Pull

The ILC514X is

(408) 574-3939

ILC5140

Advance

• Four levels of a single terminal voltage monitored

• No precision external components

• < 10µA Quiescent current

• Available in three output configurations

• Threshold accuracies within ±1%

• Small MSOP10 plastic package

• Factory preset threshold voltages

• Manual reset input pin

• Minimum 140ms delay on reset

• Handheld PC’s

• PDA’s

• Notebook PC’s

• Battery electronics

• Medical Instrumentation

• Personal Electronics

• Personal Communicators

ILC514XCS

www.impalalinear.com

Applications

Features

ILC5140 Open Drain RESET

ILC5141 Push Pull RESET

ILC5142 Push Pull RESET

Ordering Information* T

pullup

Flag 1

Flag 2

Flag 3

Flag 4

10-Pin MSOP

= =40°C to +85°C

Dec 2000

Related parts for ILC5140XCS

ILC5140XCS Summary of contents

Page 1

... The device is available in three output configurations: Open Drain RESET, Push Pull RESET and Push Pull RESET. Typical Circuit + Battery Impala Linear Corporation ILC514x 1.1 Advance Features • Four levels of a single terminal voltage monitored • No precision external components • < 10µA Quiescent current The ILC514X is • ...

Page 2

... TBD MR TBD F1 TBD F2 TBD F3 TBD F4 Impala Linear Corporation ILC514x 1.1 Pin Description and Function Voltage input from power source - battery or power supply IC Ground Pin Charge Pump Capacitor + Charge Pump Capacitor - Charge Pump V SS Manual Reset Input (Connects to CPV Connection for output flags. Flags are asserted in order of decreasing voltage thresholds ...

Page 3

... Output Sink Current Output Voltage Low, RESET Output Voltage High, RESET Reset Threshold Tempco AC Electrical Characteristics ILC514X Parameter MR Minimum Pulse Width V Detect to Flag Enable CC V Detect to Flag Enable CC Impala Linear Corporation ILC514x 1.1 Symbol = 25°C A Symbol Conditions 0°C to +85° -40° ...

Page 4

... CMOS Multilevel Voltage Detector Time (ms) Flag 1 Flag 2 Flag 3 Flag Flag Clock Flag Clock Impala Linear Corporation ILC514x 1 140ms Minimum Delay Flag 1 Flag 2 Flag 3 Flag 4 Time (ms) 400ms 20mV ...

Page 5

... In addition, customer defined voltage thresholds are avail- able on a special ordering basis. Please consult Impala marketing for conditions surrounding custom thresholds. Impala Linear Corporation ILC514x 1.1 Threshold Detect to Flag Enable The ILC5140 samples the input voltage once every 400 ms. ...

Page 6

... Life Support Policy Impala Linear Corporation’s products are not authorized for use as critical components in life support devices or systems. 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use pro- vided in the labelling, can be reasonably expected to result in a significant injury to the user ...

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