PCA9675

Selection guide

Datasheet

PCA9675
(Product Specification)
01-Feb-07, 34 pages, 198 kB

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PCA9675 - Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt

General description
Features
Products/packages
Quality/reliability/chemical content

Pricing/ordering/availability
Samples
Discontinued information
Applications
Block diagrams/pinning

Design support
Parametrics/similar products
Print/email
Disclaimers

All information hereunder is subject to the subsequent disclaimers

General description

The PCA9675 provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I²C-bus) and is a part of the Fast-mode Plus family.

The PCA9675 is a drop in upgrade for the PCF8575 providing higher Fast-mode Plus (Fm+) I²C-bus speeds (1 MHz versus 400 kHz) so that the output can support PWM dimming of LEDs, higher I²C-bus drive (30 mA versus 3 mA) so that many more devices can be on the bus without the need for bus buffers, higher total package sink capacity (400 mA versus 100 mA) that supports having all 25 mA LEDs on at the same time and more device addresses (64 versus 8) are available to allow many more devices on the bus without address conflicts.

The device consists of a 16-bit quasi-bidirectional port and an I²C-bus interface. The PCA9675 has a low current consumption and includes latched outputs with high current drive capability for directly driving LEDs.

It also possesses an interrupt line (INT) which can be connected to the interrupt logic of the microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I²C-bus. The internal Power-On Reset (POR) or software reset sequence initializes the I/Os as inputs.

Features

1 MHz I²C-bus interface
Compliant with the I²C-bus Fast and Standard modes
SDA with 30 mA sink capability for 4000 pF buses
2.3 V to 5.5 V operation with 5.5 V tolerant I/Os
16-bit remote I/O pins that default to inputs at power-up
Latched outputs with 25 mA sink capability for directly driving LEDs
Total package sink capability of 400 mA
Active LOW open-drain interrupt output
64 programmable slave addresses using 3 address pins
Readable device ID (manufacturer, device type, and revision)
Low standby current
-40 Cel to +85 Cel operation
ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
Packages offered: SO24, SSOP24, QSOP24, TSSOP24, HVQFN24, DHVQFN24

Products/packages

Type number	Orderable part number	Ordering code (12NC)	Product status	Package	Packing	Marking
PCA9675D	PCA9675D,112	9352 806 68112	Volume production	SOT137	Tube	Standard Marking
PCA9675D	PCA9675D,118	9352 806 68118	Volume production	SOT137	Reel Pack, SMD, 13"	Standard Marking
PCA9675DB	PCA9675DB,112	9352 832 29112	Volume production	SOT340-1 (SSOP24)	Tube	Standard Marking
PCA9675DB	PCA9675DB,118	9352 832 29118	Volume production	SOT340-1 (SSOP24)	Reel Pack, SMD, 13"	Standard Marking
PCA9675DK	PCA9675DK,118	9352 832 28118	Volume production	SOT556-1 (SSOP24)	Reel Pack, SMD, 13"	Standard Marking
PCA9675PW	PCA9675PW,112	9352 806 67112	Volume production	SOT355-1 (TSSOP24)	Tube	Standard Marking
PCA9675PW	PCA9675PW,118	9352 806 67118	Volume production	SOT355-1 (TSSOP24)	Reel Pack, SMD, 13"	Standard Marking

Quality/reliability/chemical content

Type number	Orderable part number	Chemical content	Leadfree Conversion date
PCA9675D	PCA9675D,112	PCA9675D	Always Pb-free
PCA9675D	PCA9675D,118	PCA9675D	Always Pb-free
PCA9675DB	PCA9675DB,112	PCA9675DB	Always Pb-free
PCA9675DB	PCA9675DB,118	PCA9675DB	Always Pb-free
PCA9675DK	PCA9675DK,118	PCA9675DK	Always Pb-free
PCA9675PW	PCA9675PW,112	PCA9675PW	Always Pb-free
PCA9675PW	PCA9675PW,118	PCA9675PW	Always Pb-free

Quality and reliability disclaimer

Pricing/ordering/availability

Type number	Ordering code(12NC)	Orderable part number	Indicative price/unit($)	Region	Distributor	In stock	Inventory date	Buy online	Samples
PCA9675D	9352 806 68112	PCA9675D,112							Order samples
PCA9675D	9352 806 68118	PCA9675D,118	1.4800	NA	DIGI-KEY CORPORATION	1,794	11/20/2009	Buy online	not available
PCA9675DB	9352 832 29112	PCA9675DB,112		NA	DIGI-KEY CORPORATION	305	11/20/2009	Buy online	not available
PCA9675DB	9352 832 29118	PCA9675DB,118							not available
PCA9675DK	9352 832 28118	PCA9675DK,118		NA	DIGI-KEY CORPORATION	2,500	11/20/2009	Buy online	Order samples
PCA9675PW	9352 806 67112	PCA9675PW,112							not available
PCA9675PW	9352 806 67118	PCA9675PW,118		NA	FUTURE ELECTRONICS	2,500	11/19/2009	Buy online	Order samples

Applications

LED signs and displays
Servers
Industrial control
PLCs
Cellular telephones
Gaming machines
Instrumentation and test measurement

Design support

Application Notes

AN10814; Driving stepper motors using NXP I2C-bus GPIO expanders (2009-09-11)

AN10441; Level shifting techniques in I2C-bus design (2007-06-20)

AN256; PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus (2009-03-23)

Support Documents

75016543; An industry-leading portfolio of cost-effective, power-saving solutions for major home appliances (2008-06-01)

UM10206; I2C Demonstration Board 2005-1 Quick Start Guide (2006-06-13)

UM10204; I2C-bus specification and user manual (2007-06-26)

web; IBIS and HSPICE Model ()

75016535; NXP 4/8/16-bit I²C/SMBus GPIO expanders PCA9536/54/54A/55 (2008-08-01)

UM10267; PCA9698 demonstration board OM6281 (2008-09-26)

Parametrics/similar products

Type number	Package	Operating temp.(Cel)	I²C-bus interface	# of Bits	Interrupt output	Source Current per bit(mA)	I²C-bus(kHz)	Operating voltage(VDC)	Weak Pull-Up Current Source	Max Sink Current per bit(mA)	# of Addresses	Max Sink Current per package(mA)	Reset input pin
PCA9675D	SOT137	-40~85	Fast Mode Plus 30 mA SDA outputs for 4000 pF bus	16	yes	0.1	1000	2.3~5.5	yes	25	64	400	no
PCA9675DB	SOT340-1 (SSOP24)	-40~85	Fast Mode Plus 30 mA SDA outputs for 4000 pF bus	16	yes	0.1	1000	2.3~5.5	yes	25	64	400	no
PCA9675DK	SOT556-1 (SSOP24)	-40~85	Fast Mode Plus 30 mA SDA outputs for 4000 pF bus	16	yes	0.1	1000	2.3~5.5	yes	25	64	400	no
PCA9675PW	SOT355-1 (TSSOP24)	-40~85	Fast Mode Plus 30 mA SDA outputs for 4000 pF bus	16	yes	0.1	1000	2.3~5.5	yes	25	64	400	no

Similar products
PCA9675 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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