Name: PCA9557DBR
Brand: Texas Instruments
SKU: PCA9557DBR
Availability: InStock
Rating: 5 (124 reviews)

PCA9557DBR

For Reference Only

Part Number	PCA9557DBR
Manufacturer	Texas Instruments
Description	IC I/O EXPANDER I2C 8B 16SSOP
Datasheet	PCA9557DBR Specifications
Package	16-SSOP (0.209", 5.30mm Width)
ECAD
In Stock	7,620 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # PCA9557DBR (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 PCA9557DBR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add PCA9557DBR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of PCA9557DBR.

PCA9557DBR 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

PCA9557DBR Reviews

Yous*****ranch

April 9, 2023

★ ★ ★ ★ ★

Item works as described, fast delivery, nice contact!

Lex*****Ruiz

April 3, 2023

★ ★ ★ ★ ★

Received Quickly. Excellent Communication. Capacitors Look Excellent

Terr***** Johal

April 1, 2023

★ ★ ★ ★ ★

They were easy to work with and did what I expected.

And***** Ravi

March 21, 2023

★ ★ ★ ★ ★

Great communication. A pleasure to do business with.

Lili*****Carr

March 20, 2023

★ ★ ★ ★ ★

You get the most update products online. You always give me the best choice.

Kenn*****auhan

March 11, 2023

★ ★ ★ ★ ★

This is the best online shop to order electronic components. From a 30 cent item up to industrial, Customer Service is great. This company is so reliable and super easy to work with and ask questions. One CS agent even stayed after hours to get me an answer!

Elis*****sales

March 6, 2023

★ ★ ★ ★ ★

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

Kar*****ood

February 26, 2023

★ ★ ★ ★ ★

Everything perfect. Great seller.

Andr*****lone

February 24, 2023

★ ★ ★ ★ ★

No complaints. Works perfectly every single one of them! great quality! No bent pins either!

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

PCA9557DBR Packaging

PCA9557DBR FAQ

1. How to order PCA9557DBR 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 PCA9557DBR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCA9557DBR. All suppliers must pass our qualification reviews before they can publish their products including PCA9557DBR on Heisener; we pay more attention to the channels and quality of PCA9557DBR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the PCA9557DBR price and inventory displayed accurate?

The price and inventory of PCA9557DBR 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 PCA9557DBR?

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 PCA9557DBR we delivered, we will accept the replacement or return of the PCA9557DBR 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 PCA9557DBR.

(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 PCA9557DBR pin diagram, PCA9557DBR datasheet?

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

PCA9557DBR Related Products

STGE200NB60S	STMicroelectronics, IGBT N-CHAN 150A 600V ISOTOP, ISOTOP, -	View
200MSP1T2B4VS2QE	E-Switch, SWITCH TOGGLE SPDT 3A 120V, -, -	View
RN55E4120BB14	Vishay Dale, RES 412 OHM 1/8W .1% AXIAL, Axial, -	View
RLR07C5110FRRSL	Vishay Dale, RES 511 OHM 1% 1/4W AXIAL, Axial, -	View
766163152G	CTS Resistor Products, RES ARRAY 8 RES 1.5K OHM 16SOIC, 16-SOIC (0.154", 3.90mm Width), -	View
9T06031A6040DAHFT	Yageo, RES SMD 604 OHM 0.5% 1/10W 0603, 0603 (1608 Metric), -	View
AFD51-20-39PX	TE Connectivity Deutsch Connectors, CONN RCPT 39POS STRGHT W/PINS, -, -	View
2M805-003-07NF11-200PB	Amphenol Aerospace Operations, M805 6C 4#23 2#16 PIN RECP OM, -, -	View
D38999/24JC35SA	TE Connectivity Deutsch Connectors, JAM NUT RECEPTACLE, -, -	View
85106R84P50	Souriau, CONN PLUG 4POS STRAIGHT W/PINS, -, -	View
VI-B1H-CX-F4	Vicor Corporation, CONVERTER MOD DC/DC 52V 75W, Full Brick, -	View
XC9236A08C0R-G	Torex Semiconductor Ltd, 600MA SYNCHRONOUS STEP-DOWN DCDC, -, -	View

PCA9557DBR 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

PCA9557DBR

D# V36:1790_07309396

Texas Instruments

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

RoHS: Compliant

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

PCA9557DBR

Texas Instruments

Part Number

Manufacturer

Description

Stock

PCA9557DBR

D# 296-20975-1-ND

Texas Instruments

IC I/O EXPANDER I2C 8B 16SSOP

1287

Part Number

Manufacturer

Description

Stock

PCA9557DBR

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

169

Part Number

Manufacturer

Description

Stock

PCA9557DBR

Texas Instruments

OEM/CM ONLY

843

PCA9557DBRG4

Texas Instruments

OEM/CM ONLY

872

Part Number

Manufacturer

Description

Stock

PCA9557DBR

D# 595-PCA9557DBR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp

RoHS: Compliant

1161

Part Number

Manufacturer

Description

Stock

PCA9557DBR

D# NS-PCA9557DBR

Texas Instruments

OEM/CM ONLY

7746

PCA9557DBRG4

D# NS-PCA9557DBRG4

Texas Instruments

OEM/CM ONLY

7638

Part Number

Manufacturer

Description

Stock

PCA9557DBR

Texas Instruments

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

RoHS: Compliant

59544

Part Number

Manufacturer

Description

Stock

PCA9557DBR

Texas Instruments

8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers

Part Number

Manufacturer

Description

Stock

PCA9557DBR

Texas Instruments

shipping today

PCA9557DBRG4

Texas Instruments

shipping today

1046

Part Number

Manufacturer

Description

Stock

PCA9557DBR

Texas Instruments

RFQ

12203

Quick Inquiry

PCA9557DBR

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS