Name: PCA9557DB
Brand: Texas Instruments
SKU: PCA9557DB
Availability: InStock
Rating: 5 (148 reviews)

PCA9557DB

For Reference Only

Part Number	PCA9557DB
Manufacturer	Texas Instruments
Description	IC I/O EXPANDER I2C 8B 16SSOP
Datasheet	PCA9557DB Specifications
Package	16-SSOP (0.209", 5.30mm Width)
ECAD
In Stock	17,196 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 21 - Apr 26 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # PCA9557DB (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 PCA9557DB specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add PCA9557DB with quantity into BOM. Heisener.com does NOT require any registration to request a quote of PCA9557DB.

PCA9557DB Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Interface - I/O Expanders
Package	16-SSOP (0.209", 5.30mm 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-SSOP (0.209", 5.30mm Width)
Supplier Device Package	16-SSOP

PCA9557DB Reviews

Apo***** Dada

March 30, 2023

★ ★ ★ ★ ★

Wow super fast delivery, product as described good company!

Quin*****nders

March 16, 2023

★ ★ ★ ★ ★

This was a perfect replacement for the original mode. 5 minutes and it was up and running like new.

Est*****e Pau

February 24, 2023

★ ★ ★ ★ ★

This product works great what more can I say.

Write a Review

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PCA9557DB Packaging

PCA9557DB FAQ

1. How to order PCA9557DB 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 PCA9557DB is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCA9557DB. All suppliers must pass our qualification reviews before they can publish their products including PCA9557DB on Heisener; we pay more attention to the channels and quality of PCA9557DB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the PCA9557DB price and inventory displayed accurate?

The price and inventory of PCA9557DB 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 PCA9557DB?

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 PCA9557DB we delivered, we will accept the replacement or return of the PCA9557DB 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 PCA9557DB.

(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 PCA9557DB pin diagram, PCA9557DB datasheet?

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

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PCA9557DB 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
PCA9557DT D# V72:2272_07309399	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R RoHS: Compliant	0
PCA9557DBR D# V36:1790_07309396	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SSOP T/R RoHS: Compliant	0
PCA9557DR D# V72:2272_07309398	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R RoHS: Compliant	0
PCA9557DB D# V36:1790_07309395	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SSOP Tube RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
PCA9557DBRG4	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DBG4	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DBR	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DR	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SOIC, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DT	NXP Semiconductors	Min Qty 2500	0
PCA9557DB	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0

Part Number	Manufacturer	Description	Stock
PCA9557DR D# 296-20977-1-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SOIC	1299
PCA9557DB D# 296-33522-5-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SSOP	560
PCA9557DT D# 296-47816-1-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SOIC	637
PCA9557DBR D# 296-20975-1-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SSOP	1287

Part Number

Manufacturer

Description

Stock

PCA9557DR

Texas Instruments

In stock shipping within 2days

267

PCA9557DB

NXP Semiconductors

In stock shipping within 2days

1404

Part Number	Manufacturer	Description	Stock
PCA9557DT	Philips Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	689
PCA9557DB	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	55
PCA9557DBR	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	169

Part Number	Manufacturer	Description	Stock
PCA9557DBRG4	Texas Instruments	OEM/CM ONLY	872
PCA9557DBR	Texas Instruments	OEM/CM ONLY	843
PCA9557DBG4	Texas Instruments	OEM/CM ONLY	978
PCA9557DBPD557	Texas Instruments	OEM/CM ONLY	200
PCA9557DR	Texas Instruments	OEM/CM ONLY	371
PCA9557DB	Texas Instruments	OEM/CM ONLY	637
PCA9557DBPWPWR	Texas Instruments	OEM/CM ONLY	5100
PCA9557DT	NXP Semiconductors	OEM/CM ONLY	281

Part Number	Manufacturer	Description	Stock
PCA9557DT D# 595-PCA9557DT	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expander RoHS: Compliant	1209
PCA9557DBR D# 595-PCA9557DBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp RoHS: Compliant	1161
PCA9557DR D# 595-PCA9557DR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp RoHS: Compliant	2944

Part Number	Manufacturer	Description	Stock
PCA9557DBRG4 D# NS-PCA9557DBRG4	Texas Instruments	OEM/CM ONLY	7638
PCA9557DBR D# NS-PCA9557DBR	Texas Instruments	OEM/CM ONLY	7746
PCA9557DBG4 D# NS-PCA9557DBG4	Texas Instruments	OEM/CM ONLY	3653
PCA9557DR D# NS-PCA9557DR	Texas Instruments	OEM/CM ONLY	6138
PCA9557DT D# NS-PCA9557DT	Texas Instruments	OEM/CM ONLY	9885
PCA9557DB D# NS-PCA9557DB	Texas Instruments	OEM/CM ONLY	2706

Part Number	Manufacturer	Description	Stock
PCA9557DB	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	28189
PCA9557DT	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	250
PCA9557DBR	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	59544
PCA9557DR	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	1280

Part Number

Manufacturer

Description

Stock

PCA9557DT

Texas Instruments

OEM/CM ONLY

1074

PCA9557DB

Texas Instruments

OEM/CM ONLY

Part Number	Manufacturer	Description	Stock
PCA9557DT	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	250
PCA9557DBR	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	18
PCA9557DR	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	3

Part Number	Manufacturer	Description	Stock
PCA9557DBRG4	Texas Instruments	shipping today	1046
PCA9557DBR	Texas Instruments	shipping today	6
PCA9557DR	Texas Instruments	shipping today	6009
PCA9557DB	Texas Instruments	shipping today	16

Part Number

Manufacturer

Description

Stock

PCA9557DT

D# 31665193

Texas Instruments

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

RoHS: Compliant

PCA9557DR

D# 33609177

Texas Instruments

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

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
PCA9557DBR	Texas Instruments	RFQ	12203
PCA9557DR	Texas Instruments	RFQ	11808
PCA9557DB	U/K	RFQ	12522

Part Number

Manufacturer

Description

Stock

PCA9557DR

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC

870

PCA9557DT

Texas Instruments

IC I/O EXPANDER I2C 8B 16SOIC

960

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PCA9557DB

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