PCA9525

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 1 — 25 February 2011

2 of 22

NXP Semiconductors

PCA9525

Simple 2-wire bus buffer

3.

Applications

Electronic signs and displays

Game consoles/boxes

Gaming machine networks

TV/projector/monitor interconnection (DDC)

Power management systems

Desktop and portable computers

Security systems

4.

Ordering information

5.

Block diagram

Table 1.

Ordering information

Type number

Topside

mark

Package

Name

Description

Version

PCA9525D

PCA9525

SO8

plastic small outline package; 8 leads; body width 3.9 mm

SOT96-1

PCA9525DP

9525

TSSOP8

plastic thin shrink small outline package; 8 leads; body width 3 mm

SOT505-1

Fig 1.

Block diagram of PCA9525

002aaf329

PCA9525

SDA_OUT

SCL_OUT

7

2

4

5

3

6

1

DIR

SCL_IN

SDA_IN

EN

direction

SCL

SDA

enable

R1

R2

R3

R4

8

2.7 V to 5.5 V

SCL

SDA