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EPC100-QFN16 参数 Datasheet PDF下载

EPC100-QFN16图片预览
型号: EPC100-QFN16
PDF下载: 下载PDF文件 查看货源
内容描述: 光帘装置,带有2线总线接口 [Light-Curtain Device with 2-Wire Bus Interface]
分类和应用: 装置
文件页数/大小: 9 页 / 409 K
品牌: EPC [ ESPROS PHOTONICS CORP ]
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epc100
Light-Curtain Device with 2-Wire Bus Interface
General Description
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).
Feature
Light pulse receiver
Bus transceiver
Advantageous wiring by communication over the power-supply lines
High sensitive input for photo-diode current signals, typ. 60nA
Scan period down to 30 µs
integrated clock generator
CSP10 package with very small footprint and standard QFN16 pack -
age available
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 epc101 transmitter chip
and to the Reference Manual epc10x for implementation, usage
and configuration information.
Applications
Light barriers ranging from millimeters to tens of meters
Light curtains
Smoke detectors
Liquid detectors
Functional Block Diagram
VDD
2-wire COM
Interface
Parameter
Memory
VDD33
Voltage Regulator
Processor
VDD18
SPI
Controller
Signal
Processor
PD
f
D1
GND
CS
SI
SO
SC
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
1
Datasheet epc100 - V2.1
www.espros.ch