Name: PCA9557PWT
Brand: Texas Instruments
SKU: PCA9557PWT
Availability: InStock
Rating: 5 (175 reviews)

PCA9557PWT

For Reference Only

Part Number	PCA9557PWT
Manufacturer	Texas Instruments
Description	IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet	PCA9557PWT Specifications
Package	16-TSSOP (0.173", 4.40mm Width)
ECAD
In Stock	6,432 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 1 - May 6 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # PCA9557PWT (Interface - I/O Expanders) is manufactured by Texas Instruments and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For PCA9557PWT specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add PCA9557PWT with quantity into BOM. Heisener.com does NOT require any registration to request a quote of PCA9557PWT.

PCA9557PWT Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Interface - I/O Expanders
Package	16-TSSOP (0.173", 4.40mm Width)
ECAD
Series	-
Number of I/O	8
Interface	I2C, SMBus
Interrupt Output	No
Features	POR
Output Type	Open Drain, Push-Pull
Current - Output Source/Sink	10mA, 25mA
Clock Frequency	400kHz
Voltage - Supply	2.3 V ~ 5.5 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package	16-TSSOP

PCA9557PWT Reviews

Kor*****ensen

April 9, 2023

★ ★ ★ ★ ★

Fantastic transaction, very fast delivery. Highly recommended. Thank you.

Meli*****teele

April 6, 2023

★ ★ ★ ★ ★

Heisener.com is a good company. Pleasant transaction, communicative , thank you

Ten***** Gara

April 1, 2023

★ ★ ★ ★ ★

Nice to have an assortment on hand, just in case. Happy with this purchase.

Jax*****owery

March 31, 2023

★ ★ ★ ★ ★

Completely satisfied of PCA9557PWT , I always find what I need. The site is easy to get the components .

Jag***** Dada

March 26, 2023

★ ★ ★ ★ ★

It gives you a good quality product, with a great variety.. I will for sure order this set again when i start to run low

Gra*****Wolfe

March 9, 2023

★ ★ ★ ★ ★

Absolutely the best source for wire, connectors, terminal strips, panel lights, etc. for model railroaders. Web site is the best in the business.

La***** Ben

February 19, 2023

★ ★ ★ ★ ★

I always have good experiences in dealing with Heisener Electronics. They have the components I need in stock, their search function is great, and shipping is fast and always as promised.

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PCA9557PWT Packaging

PCA9557PWT FAQ

1. How to order PCA9557PWT on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that PCA9557PWT is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCA9557PWT. All suppliers must pass our qualification reviews before they can publish their products including PCA9557PWT on Heisener; we pay more attention to the channels and quality of PCA9557PWT products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the PCA9557PWT price and inventory displayed accurate?

The price and inventory of PCA9557PWT fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of PCA9557PWT?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCA9557PWT we delivered, we will accept the replacement or return of the PCA9557PWT only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCA9557PWT.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as PCA9557PWT pin diagram, PCA9557PWT datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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PCA9557PWT Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
PCA9557PW D# V99:2348_07309400	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin TSSOP Tube RoHS: Compliant	0
PCA9557PWT D# V36:1790_07309403	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin TSSOP T/R RoHS: Compliant	0
PCA9557PWR D# V72:2272_07309401	Texas Instruments	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R RoHS: Compliant	0
PCA9557PW,118 D# V72:2272_06535776	NXP Semiconductors	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

PCA9557PW,118

D# 70R6687

NXP Semiconductors

I2C and SMBus I/O Port 16-Pin TSSOP T/R - Product that comes on tape, but is not reeled (Alt: 70R6687)

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
PCA9557PW	Philips Semiconductors		1701
PCA9557PW,118	NXP Semiconductors		381
PCA9557PWR	Texas Instruments		1496

Part Number	Manufacturer	Description	Stock
PCA9557PW	NXP Semiconductors	I2C/SMBus GPIO Expander 5.5V 16-Pin TSSOP T/R	10
PCA9557PWT	NXP Semiconductors	Min Qty 2500	0
PCA9557PWR	Texas Instruments	I/O EXPANDER, 8BIT, I2C, 400KHZ, TSSOP16	1833

Part Number

Manufacturer

Description

Stock

PCA9557PWR

Texas Instruments

8 I?C, SMBus POR 400kHz TSSOP-16 Interface - I/O Expanders RoHS

13078

PCA9557PW,118

NXP Semiconductors

8 I?C, SMBus POR 400kHz TSSOP-16 Interface - I/O Expanders RoHS

6518

Part Number

Manufacturer

Description

Stock

PCA9557PWR

Texas Instruments

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
PCA9557PW D# 296-33523-5-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16TSSOP	1154
PCA9557PW,118 D# 568-1061-1-ND	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16TSSOP	12924
PCA9557PWR D# 296-20978-2-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16TSSOP	0
PCA9557PWT D# 296-PCA9557PWTCT-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16TSSOP	178

Part Number	Manufacturer	Description	Stock
PCA9557PWT	Texas Instruments	In stock shipping within 2days	125
PCA9557PWR	Texas Instruments	In stock shipping within 2days	3474
PCA9557PW	NXP Semiconductors	In stock shipping within 2days	16153

Part Number	Manufacturer	Description	Stock
PCA9557PWR D# 3009435	Texas Instruments	I/O EXPANDER, 8BIT, I2C, 400KHZ, TSSOP16 RoHS: Compliant Min Qty: 1 Container: Cut Tape	1525
PCA9557PW,118 D# 2820292	NXP Semiconductors	I/O EXPANDER, 8BIT, 400KHZ, TSSOP-16 RoHS: Compliant Min Qty: 1 Container: Cut Tape	9051
PCA9557PW D# 2212103	NXP Semiconductors	IC, IO PORT, I2C/SMBUS 8BIT, 16TSSOP RoHS: Compliant Min Qty: 1 Container: Each	0

Part Number

Manufacturer

Description

Stock

PCA9557PW,118

NXP Semiconductors

PCA9557 Series 5.5V 85 mA 400 kHz SMT 8-bit I2C-bus and SMBus I/O Port- HVQFN-16

RoHS: Compliant

pbFree: Yes

2500

Part Number	Manufacturer	Description	Stock
PCA9557PWR	TEXAS INSTRUMENTS	OEM/CM QUOTES ONLY \| NO BROKERS	2400
PCA9557PWT		OEM/CM QUOTES ONLY \| NO BROKERS	6000
PCA9557PW	NXP Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	144000

Part Number	Manufacturer	Description	Stock
PCA9557PW	NXP Semiconductors	OEM/CM ONLY	2880
PCA9557PWTSSOP16	NXP Semiconductors	OEM/CM ONLY	2547
PCA9557PWTG4	Texas Instruments	OEM/CM ONLY	401
PCA9557PWR	Texas Instruments	OEM/CM ONLY	1026
PCA9557PWT	NXP Semiconductors	OEM/CM ONLY	115

Part Number

Manufacturer

Description

Stock

PCA9557PW,118

NXP Semiconductors

In stock

381

Part Number

Manufacturer

Description

Stock

PCA9557PW

Texas Instruments

I/O Expander 8 I²C, SMBus 16-TSSOP

RoHS: Compliant

20000

PCA9557PWR

Texas Instruments

I/O Expander 8 I²C, SMBus 16-TSSOP

RoHS: Compliant

10000

Part Number

Manufacturer

Description

Stock

PCA9557PW,118

D# C141380

NXP Semiconductors

6518

Part Number

Manufacturer

Description

Stock

PCA9557PW

Philips Semiconductors

in stock - can ship the same day

107

Part Number	Manufacturer	Description	Stock
PCA9557PW	NXP Semiconductors	OEM/CM Immediate delivery	15000
PCA9557PWR	NXP Semiconductors	OEM/CM Immediate delivery	5000
PCA9557PW,118	NXP Semiconductors	OEM/CM Immediate delivery	100

Part Number	Manufacturer	Description	Stock
PCA9557PW D# 595-PCA9557PW	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus I/O Expander RoHS: Compliant	21
PCA9557PWT D# 595-PCA9557PWT	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expander RoHS: Compliant	300
PCA9557PWR D# 595-PCA9557PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus I/O Expander RoHS: Compliant	1855
PCA9557PW,118 D# 771-PCA9557PW-T	NXP Semiconductors	Interface - I/O Expanders OCT SMBUS/I2C INTRFC RoHS: Compliant	12203

Part Number

Manufacturer

Description

Stock

PCA9557PW,118

D# XSFP00000058992

NXP Semiconductors

PCA9557 Series 8-Bit I2C-Bus and SMBus I/O Port with Reset -TSSOP-16

10000

Part Number

Manufacturer

Description

Stock

PCA9557PWR

D# 28AH4661

Texas Instruments

I/O EXPANDER, 8BIT, I2C, 400KHZ, TSSOP16, Chip Configuration:8bit, Bus Frequency:400kHz, IC Interface Type:I2C, SMBus, Supply Voltage Min:2.3V, Supply Voltage Max:5.5V, Interface Case Style:TSSOP, No. of Pins:16Pins, No. of RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

1525

PCA9557PW,118

D# 26AC2922

NXP Semiconductors

8-BIT I2C-BUS AND SMBUS I/O PORT WITH RESET ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 2500

Container: TAPE & REEL - FULL

Part Number	Manufacturer	Description	Stock
PCA9557PWT D# NS-PCA9557PWT	Texas Instruments	OEM/CM ONLY	5227
PCA9557PW-T D# NS-PCA9557PW-T	PH2	OEM/CM ONLY	1465
PCA9557PW D# NS-PCA9557PW	Texas Instruments	OEM/CM ONLY	3710
PCA9557PWTG4 D# NS-PCA9557PWTG4	Texas Instruments	OEM/CM ONLY	8713
PCA9557PWR D# NS-PCA9557PWR	Texas Instruments	OEM/CM ONLY	2645

Part Number	Manufacturer	Description	Stock
PCA9557PW	Celestica Inc	I/O PORT, 8-BIT, 16 Pin, Plastic, TSSOP	484
PCA9557PW-T	Texas Instruments	PARALLEL I/O PORT, 8-BIT, 8 I/O, CMOS, PDSO16	40
PCA9557PWR	Texas Instruments		272

Part Number

Manufacturer

Description

Stock

PCA9557PWR

D# 6613371

Texas Instruments

Texas Instruments I/O Expander 16-Pin TSSOP, PCA9557PWR, PK

Min Qty: 5

Container: Package

705

Part Number	Manufacturer	Description	Stock
PCA9557PW,118	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16TSSOP RoHS: Compliant	116294
PCA9557PWT	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	149160
PCA9557PW	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	6696

Part Number	Manufacturer	Description	Stock
PCA9557PW	Texas Instruments	OEM/CM ONLY	37701
PCA9557PWT	Texas Instruments	OEM/CM ONLY	323
PCA9557PWR	Texas Instruments	OEM/CM ONLY	4677

Part Number	Manufacturer	Description	Stock
PCA9557PWR	NXP Semiconductors	IN stock Immediate delivery	5015
PCA9557PW,118	NXP Semiconductors	IN stock Immediate delivery	95
PCA9557PW	NXP Semiconductors	IN stock Immediate delivery	15015

Part Number

Manufacturer

Description

Stock

PCA9557PWT

Texas Instruments

205

Part Number	Manufacturer	Description	Stock
PCA9557PW	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	2
PCA9557PWT	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	2
PCA9557PWR	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	28

Part Number

Manufacturer

Description

Stock

PCA9557PWR

Texas Instruments

shipping today

4996

PCA9557PW

Philips E C G Inc

shipping today

4996

Part Number	Manufacturer	Description	Stock
PCA9557PW D# 47184492	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin TSSOP Tube RoHS: Compliant	0
PCA9557PWR D# 33129619	Texas Instruments	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R RoHS: Compliant	0
PCA9557PW,118 D# 36326277	NXP Semiconductors	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
PCA9557PW		RFQ	7329
PCA9557PWT	Texas Instruments	RFQ	14445
PCA9557PWR	Texas Instruments	RFQ	12991
PCA9557PWTG4	Texas Instruments	RFQ	5715

Part Number	Manufacturer	Description	Stock
PCA9557PWR	Texas Instruments	IC I/O EXPANDER I2C 8B 16TSSOP	870
PCA9557PW,118	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16TSSOP	9923
PCA9557PW	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16TSSOP	285660

Part Number	Manufacturer	Description	Stock
PCA9557PWR D# 3009435	Texas Instruments	I/O EXPANDER, 8BIT, I2C, 400KHZ, TSSOP16 RoHS: Compliant Min Qty: 1 Container: Cut Tape	1533
PCA9557PW,118 D# 2820292	NXP Semiconductors	I/O EXPANDER, 8BIT, 400KHZ, TSSOP-16 RoHS: Compliant Min Qty: 1 Container: Cut Tape	9071
PCA9557PW D# 2212103	NXP Semiconductors	IC, IO PORT, I2C/SMBUS 8BIT, 16TSSOP RoHS: Compliant Min Qty: 1 Container: Each	0

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PCA9557PWT

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