Datasheet > CS2516

CS2516

更新时间： 2024-01-23 13:07:34

品牌	Logo	应用领域
樱桃 - CHERRY		电池监视器脉冲
页数	文件大小	规格书
6页	147K
描述
Pulse-Load Battery Monitor

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中文翻译

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CS2516 数据手册

CS2516

Pulse-Load Battery Monitor

Description

Features

The CS2516 is designed for use in bat-

external transistor can be added to in-

crease the load current capability.

Adjustable Battery Sense

from 7 to 12 Volts

■

tery powered medical, security, or

environmental systems where prior

notification of impending power

source failure is a requirement. The IC

effectively provides continuous moni-

toring of battery condition by pulse-

sampling the system voltage at prede-

termined intervals. Low standby cur-

rent permits unswitched connection to

the battery with minimal impact on

operating life. The ability to load the

battery during the test pulse provides

assurance that sufficient reserve capac-

ity exists to operate critical system

components.

Should, during the test pulse, the sense

terminal voltage fall below the thresh-

old level determined by the internal

(synthesized) temperature compensat-

ed zener diode, the comparator will

permit a charging current to flow out

of PW. This pin is also the input of a

Schmitt trigger that in turn drives the

output transistor. Collectively, the

charge current and trigger, in conjunc-

tion with an external RC network,

operate as a Òpulse-stretcherÓ to pro-

vide output ÒONÓ times that are a

multiple of the sampling time. This

feature permits low battery alarm

devices or visible annunciators to be

driven directly by the IC. The maxi-

mum permissible output current is

30mA.

Pulse Loads Battery at up

to 50mA

Standby Current Under

10µA

■ Test Period, Rate and Load

Adjustable

■ On Chip 15mA Output

Driver

The CS2516 contains an internal timer

that generates a 1.0 millisecond test

pulse once each 33 seconds (both times

are typical). The load switch transistor

conducts only during the test pulse,

and can sink up to 50mA directly. An

Block Diagram

Package Options

8L PDIP and 8L SO

SENSE

OUT

SENSE

COM

Load

Switch

OUT

Cycle

Timer

COM

Load Switch

Cherry Semiconductor Corporation

2000 South County Trail, East Greenwich, RI 02818

Tel: (401)885-3600 Fax: (401)885-5786

Email: info@cherry-semi.com

Web Site: www.cherry-semi.com

Rev. 1/17/95

Company

12 3 4 5 6

中文翻译

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