Datasheet > RE46C201

RE46C201

更新时间： 2023-12-06 20:03:40

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
48页	741K
描述
The RE46C200 is a next generation 9-volt,low current programmable photoelectric smoke detector IC.

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RE46C201 数据手册

RE46C201

9V Programmable Photoelectric Smoke Detector ASIC

Features

Description

• 6.5-12V Operation

The RE46C201 is a next generation low power CMOS

photoelectric-type smoke detector IC. With minimal

external components, this circuit will provide all the

required features for a photoelectric-type smoke

detector.

• Low Quiescent Current

• Programmable Internal Infrared Emitter Diode

(IRED) Current

• Programmable Standby Alarm Level

• Programmable Hush™ Alarm Level

• Programmable Hysteresis Alarm Level

• Programmable Chamber Test Alarm Level

• Programmable Low-Battery Test

• Programmable Low-Battery Hush

• Programmable Horn Pattern

The design incorporates a gain selectable photo

amplifier for use with an infrared emitter/detector pair.

An on-chip oscillator strobes power to the smoke

detection circuitry for 5 ms every 10 seconds to keep

standby current to a minimum.

A check for a low battery condition is performed every

80 seconds and chamber test is performed once every

320 seconds when in standby. The temporal horn

pattern supports the NFPA 72 emergency evacuation

signal.

• Horn Synchronization

• 10-year End-of-Life Indication

• Differentiated Chamber Fail and Low Battery

Warnings

An interconnect pin allows multiple detectors to be

connected such that when one unit alarms, all units will

sound. A charge dump feature will quickly discharge

the interconnect line when exiting a local alarm. The

interconnect input is also digitally filtered.

• Local Alarm Memory

• Interconnect up to 40 Detectors

• IO Filter and Charge Dump

• Smart IO for CO alarm Option

• 9-Minute or 80-Second Hush Timer

An internal 9-minute or 80-second timer is used for a

Hush operation.

• Smart Hush Option

A local alarm memory feature allows the user to

determine if the unit has previously entered a local

alarm condition.

• Automatic Alarm Locate for Interconnected Units

Utilizing low power CMOS technology, the RE46C201

is designed for use in smoke detectors that comply with

Underwriters Laboratory Specification UL217 and

UL268.

Package Type

RE46C201

SOIC

IRP

TEST

IRN

V_DD

TEST2

TESTOUT

GLED

IRED

V_SS

RLED

FEED

 2020-2021 Microchip Technology Inc.

DS20006449B-page 1

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RE46C312E8F	MICROCHIP	获取价格	Low-Input Leakage, Rail-to-Rail Input/Output Op Amps
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RE46C312S8TF	MICROCHIP	获取价格	Low-Input Leakage, Rail-to-Rail Input/Output Op Amps
RE46C317	MICROCHIP	获取价格	Piezoelectric Horn Driver with Boost Converter
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