Datasheet > CPC5903GSTR

CPC5903GSTR

更新时间： 2024-11-06 01:09:47

品牌	Logo	应用领域
IXYS		/
页数	文件大小	规格书
15页	271K
描述
Bidirectionally Buffers I2C SDA Signal

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中文翻译

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数据手册

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CPC5903GSTR 数据手册

CPC5903

Optically Isolated I²C Bus Repeater

INTEGRATED

IRCUITS

IVISION

Features

Description

The CPC5903 is a dual, optically isolated, logic-bus

repeater. It isolates two open-drain logic signals while

• Bidirectionally Buffers I C SDA Signal

• Extends and Isolates I C Interfaces

providing 3750V

of galvanic isolation. When the

rms

• Standard-mode and Fast-mode I C

Side B Fast-mode Compatible V

two sides are powered by different supply voltages, it

also functions as a logic level translator for levels as

low as 2.7V or as high as 5.5V. Because the CPC5903

> 4.5V

DDB

• Operates on 2.7V to 5.5V

• Voltage Level Translation

• Slew-Limited Drivers Reduce EMI

• Powerdown to Hi-Z Does Not Load I C

• 3750V Galvanic Isolation

provides an isolated bidirectional buffer for the I C

data signal and a unidirectional buffer for the I C clock

signal, it is best suited for applications where clock

stretching is not required. This configuration also

rms

• Single 8-pin Surface-Mount Package

requires the I C bus master to be on the Side A bus.

Applications

• Isolated Control and Signal Monitoring

• Power-over-Ethernet

Unlike transformer or capacitive isolators, optical

isolation passes DC signals and does not require

continuous clocking to ensure the proper state is

maintained. The CPC5903 always returns the buffered

signals to their proper state after transient

interruptions on either side.

• Power Supply High Side Interface

• I C Bus Length Extenders

• I C Logic Level Translation

Approvals

• UL 1577 Certified Component: File E76270

• EN/IEC 60950 Certified Component:

TUV Certificate: B 11 10 49410 007

Ordering Information

Part

Description

CPC5903G

8-Pin DIP (50 / Tube)

CPC5903GS

CPC5903GSTR

8-Pin Surface Mount (50 / Tube)

8-Pin Surface Mount (1000 / Reel)

e₃

Figure 1. CPC5903 Functional Block Diagram

V_DDA

V_DDB

V_DDA

LED

V_DDB

GND_A

V_DDB

V_DDA

LED

GND_B

IOA

V_DDB

CLR

V_DDA

LED

V_DDB

V_DDA

IOB

DS-CPC5903-R02

www.ixysic.com

12 3 4 5 6 7...15

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