Datasheet > EPC101

EPC101

更新时间： 2024-09-23 12:50:15

品牌	Logo	应用领域
EPC		装置
页数	文件大小	规格书
7页	367K
描述
Light-Curtain Device with 2-Wire Bus Interface

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EPC101 数据手册

epc101

Light-Curtain Device with 2-Wire Bus Interface

General Description

Feature

The epc10x chip set is a general purpose CMOS integrated circuit

for light-curtain applications. epc100 is used on the receiver side

(Rx) whereas epc 101 is on the emitter side (Tx). Up to 1023

devices may be connected to two respectively four wires in paral-

lel. Each device can be individually addressed by an epc100 chip

which acts as the interface between a microcontroller and the 2-

wire bus. It manages the bus traffic between the microcontroller

and the individual Rx and Tx elements. Programmable fuses i.e.

for the address, sensitivity, LED light pulse width, etc. allow the

device to be parametrized in the final system (OTP memory).



Light pulse transmitter

Universal LED controller

Scan period down to 30 µs

integrated clock generator

CSP10 package with very small footprint and standard QFN16 pack -

age available

Applications



Light barriers ranging from millimeters to tens of meters

Light curtains

Smoke detectors

Liquid detectors

Each chip can be put into 'standby mode' or 'operating mode' to re-

duce power consumption. During 'standby mode', power consump-

tion is reduced and the photo diode is shorted.

Refer to the separate Data Sheet of the epc100 receiver chip and

to the Reference Manual epc10x for implementation, usage and

configuration information.

Functional Block Diagram

VDD

LED

SCK

2-wire COM

Interface

Parameter

Memory

VDD33

LED

Processor

VDD18

SPI

Signal

Controller

Processor

GND

Characteristics subject to change without notice

Datasheet epc101 - V2.1

www.espros.ch

12 3 4 5 6 7

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