PCA9522 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 1 — 28 September 2011 19 of 20
NXP Semiconductors
PCA9522
Fast dual bidirectional bus buffer with hot insertion logic
Non-automotive qualified products — Unless this data sheet expressly
states that this specific NXP Semiconductors product is automotive qualified,
the product is not suitable for automotive use. It is neither qualified nor tested
in accordance with automotive testing or application requirements. NXP
Semiconductors accepts no liability for inclusion and/or use of
non-automotive qualified products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards, customer
(a) shall use the product without NXP Semiconductors’ warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
NXP Semiconductors’ specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies NXP Semiconductors for any
liability, damages or failed product claims resulting from customer design and
use of the product for automotive applications beyond NXP Semiconductors’
standard warranty and NXP Semiconductors’ product specifications.
17.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
I
2
C-bus — logo is a trademark of NXP B.V.
18. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
NXP Semiconductors
PCA9522
Fast dual bidirectional bus buffer with hot insertion logic
© NXP B.V. 2011. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 28 September 2011
Document identifier: PCA9522
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
19. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6 Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7 Functional description . . . . . . . . . . . . . . . . . . . 4
7.1 V
CC
, GND — supply pins . . . . . . . . . . . . . . . . . 4
7.2 SCLB, SCLC, SDAB, SDAC — buffer
inputs/outputs . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.3 Enable (EN) — activate buffer operations . . . . 4
7.4 Ready (RDY) — buffer connected indicator . . . 5
7.5 Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5
9 Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 6
10 Application information. . . . . . . . . . . . . . . . . . . 8
10.1 Design considerations . . . . . . . . . . . . . . . . . . . 8
10.2 Input to output offset voltage calculation . . . . 11
11 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 12
12 Handling information. . . . . . . . . . . . . . . . . . . . 14
13 Soldering of SMD packages . . . . . . . . . . . . . . 14
13.1 Introduction to soldering . . . . . . . . . . . . . . . . . 14
13.2 Wave and reflow soldering . . . . . . . . . . . . . . . 14
13.3 Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 15
13.4 Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 15
14 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 16
15 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
16 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 17
17 Legal information. . . . . . . . . . . . . . . . . . . . . . . 18
17.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 18
17.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
17.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 18
17.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 19
18 Contact information. . . . . . . . . . . . . . . . . . . . . 19
19 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

PCA9522D,118

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
IC REDRIVER I2C 1CH 400KHZ 8SO
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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