Name: PCA9557PWR
Brand: Texas Instruments
SKU: PCA9557PWR
Availability: InStock
Rating: 5 (146 reviews)

PCA9557PWR

For Reference Only

Part Number	PCA9557PWR
Manufacturer	Texas Instruments
Description	IC I/O EXPANDER I2C 8B 16TSSOP
Datasheet	PCA9557PWR Specifications
Package	16-TSSOP (0.173", 4.40mm Width)
ECAD
In Stock	317,472 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 30 - May 5 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # PCA9557PWR (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 PCA9557PWR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add PCA9557PWR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of PCA9557PWR.

PCA9557PWR 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

PCA9557PWR Reviews

Mia*****leon

April 8, 2023

★ ★ ★ ★ ★

These are the most popular variety of components of different types!

Ella*****tana

April 2, 2023

★ ★ ★ ★ ★

Great kit, cost half the price of other stores. Includes most items that someone would need.

Allys*****llier

March 25, 2023

★ ★ ★ ★ ★

fast delivery and good product, very happy

Dona*****urian

March 23, 2023

★ ★ ★ ★ ★

I am satisfied with Heisener company

Ali*****Mani

March 15, 2023

★ ★ ★ ★ ★

I've placed many orders from Heisener . I have never had an error with any order, the order has always went out the same day, and the items are always well packaged.

Dext*****arang

March 15, 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

Xand*****hanker

March 9, 2023

★ ★ ★ ★ ★

Item sent as described. Showed up quickly. Worked as it said and would recommend again.

Jim*****Reyna

March 4, 2023

★ ★ ★ ★ ★

I can get a patience and respect for each order. Thank you!

Malak*****nzales

February 19, 2023

★ ★ ★ ★ ★

Wow super fast delivery, product as described good company!

Write a Review

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PCA9557PWR Packaging

PCA9557PWR FAQ

1. How to order PCA9557PWR 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 PCA9557PWR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCA9557PWR. All suppliers must pass our qualification reviews before they can publish their products including PCA9557PWR on Heisener; we pay more attention to the channels and quality of PCA9557PWR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the PCA9557PWR price and inventory displayed accurate?

The price and inventory of PCA9557PWR 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 PCA9557PWR?

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 PCA9557PWR we delivered, we will accept the replacement or return of the PCA9557PWR 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 PCA9557PWR.

(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 PCA9557PWR pin diagram, PCA9557PWR datasheet?

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

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PCA9557PWR 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
PCA9557PWR D# V72:2272_07309401	Texas Instruments	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R RoHS: Compliant	0
PCA9557PWT D# V36:1790_07309403	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin TSSOP T/R RoHS: Compliant	0
PCA9557PW D# V99:2348_07309400	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin TSSOP Tube RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

PCA9557PW

Philips Semiconductors

1701

PCA9557PWR

Texas Instruments

1496

Part Number	Manufacturer	Description	Stock
PCA9557PWR	Texas Instruments	I/O EXPANDER, 8BIT, I2C, 400KHZ, TSSOP16	1833
PCA9557PWT	NXP Semiconductors	Min Qty 2500	0
PCA9557PW	NXP Semiconductors	I2C/SMBus GPIO Expander 5.5V 16-Pin TSSOP T/R	10
PCA9557PWRG4	Texas Instruments	IC I/O EXPANDER I2C 8B 16TSSOP	0

Part Number

Manufacturer

Description

Stock

PCA9557PWR

Texas Instruments

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

13078

Part Number

Manufacturer

Description

Stock

PCA9557PWR

Texas Instruments

RoHS: Compliant

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

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

Part Number

Manufacturer

Description

Stock

PCA9557PW

D# 2212103

NXP Semiconductors

IC, IO PORT, I2C/SMBUS 8BIT, 16TSSOP

RoHS: Compliant

Min Qty: 1

Container: Each

PCA9557PWR

D# 3009435

Texas Instruments

I/O EXPANDER, 8BIT, I2C, 400KHZ, TSSOP16

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

1525

Part Number	Manufacturer	Description	Stock
PCA9557PWRG4	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	872
PCA9557PWT		OEM/CM QUOTES ONLY \| NO BROKERS	6000
PCA9557PWR	TEXAS INSTRUMENTS	OEM/CM QUOTES ONLY \| NO BROKERS	2400
PCA9557PW	NXP Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	144000

Part Number	Manufacturer	Description	Stock
PCA9557PWT	NXP Semiconductors	OEM/CM ONLY	115
PCA9557PW	NXP Semiconductors	OEM/CM ONLY	2880
PCA9557PWRG4	Texas Instruments	OEM/CM ONLY	416
PCA9557PWR	Texas Instruments	OEM/CM ONLY	1026
PCA9557PWRTI	Texas Instruments	OEM/CM ONLY	316

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

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

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

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

Part Number	Manufacturer	Description	Stock
PCA9557PWRG4 D# NS-PCA9557PWRG4	Texas Instruments	OEM/CM ONLY	9602
PCA9557PW D# NS-PCA9557PW	Texas Instruments	OEM/CM ONLY	3710
PCA9557PWT D# NS-PCA9557PWT	Texas Instruments	OEM/CM ONLY	5227
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

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

Texas Instruments

PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers

RoHS: Compliant

6696

PCA9557PWT

Texas Instruments

PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers

RoHS: Compliant

149160

Part Number	Manufacturer	Description	Stock
PCA9557PWR	Texas Instruments	OEM/CM ONLY	4677
PCA9557PWRG4	Texas Instruments	OEM/CM ONLY	69
PCA9557PWT	Texas Instruments	OEM/CM ONLY	323
PCA9557PW	Texas Instruments	OEM/CM ONLY	37701

Part Number

Manufacturer

Description

Stock

PCA9557PW

NXP Semiconductors

IN stock Immediate delivery

15015

PCA9557PWR

NXP Semiconductors

IN stock Immediate delivery

5015

Part Number

Manufacturer

Description

Stock

PCA9557PWT

Texas Instruments

205

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

Part Number	Manufacturer	Description	Stock
PCA9557PW	Philips E C G Inc	shipping today	4996
PCA9557PWRG4	International Rectifier	shipping today	696
PCA9557PWR	Texas Instruments	shipping today	4996

Part Number

Manufacturer

Description

Stock

PCA9557PWR

D# 33129619

Texas Instruments

I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R

RoHS: Compliant

PCA9557PW

D# 47184492

Texas Instruments

I2C/SMBus Interface 400kHz 5.5V 16-Pin TSSOP Tube

RoHS: Compliant

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

Part Number	Manufacturer	Description	Stock
PCA9557PWR	Texas Instruments	IC I/O EXPANDER I2C 8B 16TSSOP	870
PCA9557PWRG4	Texas Instruments	IC I/O EXPANDER I2C 8B 16TSSOP	827
PCA9557PW	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16TSSOP	285660

Part Number

Manufacturer

Description

Stock

PCA9557PW

D# 2212103

NXP Semiconductors

IC, IO PORT, I2C/SMBUS 8BIT, 16TSSOP

RoHS: Compliant

Min Qty: 1

Container: Each

PCA9557PWR

D# 3009435

Texas Instruments

I/O EXPANDER, 8BIT, I2C, 400KHZ, TSSOP16

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

1533

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PCA9557PWR

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