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NXP PCA9557BS

Name: PCA9557BS
Rating: 4.5 (10 reviews)

I2C Port Controller

Brands: Nxp

Mfr.Part #: PCA9557BS

Datasheet: PCA9557BS Datasheet (PDF)

Package/Case: SOT629-1

Product Type: I/O Expanders

RoHS Status:

Stock Condition: 2,308 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

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PCA9557BS General Description

The PCA9557BS is a 24-bit I2C-bus I/O port with interrupt and weak pull-up control functions. It is designed for use in applications where there is a need for additional I/O ports beyond what is available on the microcontroller. The device features 24 quasi-bidirectional input/output (I/O) ports that can be independently programmed as inputs or outputs. The device also features interrupt logic that can be used to signal the microcontroller when a change in the state of any of the I/O ports occurs.The PCA9557BS has a hardware address pin that can be used to set the I2C-bus address of the device, allowing multiple devices to be connected to the same I2C-bus. The device also features programmable slew rates and drive strengths to control the rise and fall times of the I/O ports.Furthermore, the PCA9557BS has internal pull-up resistors that can be individually enabled or disabled for each I/O port, eliminating the need for external pull-up resistors in most applications. The device operates over a wide voltage range of 2.3V to 5.5V, making it suitable for use in a variety of applications.

Features

16-pin TSSOP package
2-wire, fast-mode I2C-bus interface
5 V tolerant I/O ports
Internal power-on reset
Open-drain active-low interrupt output
Programmable interrupt polarity
Internal power-on reset
Integrated ESD protection

Application

Industrial automation
Consumer electronics
Home automation
Security systems
Automotive applications
Medical devices
Communication equipment

Specifications

Parameter	Value	Parameter	Value
orderingCode	935272775128	isDistributor	false
LAST_BUY_DTE	31-May-2018	salesNum	PCA9557BSHP
LAST_DELIVERY_DTE	30-Nov-2018	pack_type	REEL
price_flg	Y	pack_desc	Reel 13" Q2/T3
minPackQty	6000

Shipping

	Ship Fee	Lead Time
DHL	$20.00-$40.00 (0.50 KG)	2-5 days
Fedex	$20.00-$40.00 (0.50 KG)	2-5 days
UPS	$20.00-$40.00 (0.50 KG)	2-5 days
TNT	$20.00-$40.00 (0.50 KG)	2-5 days
EMS	$20.00-$40.00 (0.50 KG)	2-5 days
REGISTERED AIR MAIL	$20.00-$40.00 (0.50 KG)	2-5 days

Processing Time：Shipping fee depend on different zone and country.

Payment

Terms of payment		Hand Fee
	Wire Transfer	charge US$30.00 banking fee.
	Paypal	charge 4.0% service fee.
	Credit Card	charge 3.5% service fee.
	Western Union	charge US.00 banking fee.
	Money Gram	charge US$0.00 banking fee.

Guarantees

1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

Packing

Step1 :Product
Step2 :Vacuum packaging
Step3 :Anti-static bag
Step4 :Individual packaging
Step5 :Packaging boxes
Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Equivalent Parts

For the PCA9557BS component, you may consider these replacement and alternative parts:

Part Number

Brands

Package

Description

Part Number : PCA9557PW,118

Brands :

Package : TSSOP-16

Description : 8-bit I²C-bus and SMBus I/O port with reset - # of Addresses: 8 ; I2C-bus: 400 kHz; Max Sink Current per bit: 25 mA; Max Sink Current, per package: 100 mA; Number of bits: 8 ; Operating temperature: -40~85 Cel; Operating voltage: 2.3~5.5 VDC; Re,I/O Expanders, Repeaters & Hubs OCT SMBUS/I2C INTRFC

Part Number : PCA9557D,112

Brands :

Package : SO-16

Description : I/O Expander, 8bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, SOIC

Part Number : PCA9557DB,112

Brands :

Package :

Description :

Part Number : PCA9557PW,112

Brands :

Package : TSSOP-16

Description : I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP Bulk

Part Number : PCA9557DP,118

Brands :

Package :

Description :

Part Number : PCA9557D,118

Brands :

Package : SO-16

Description : I/O Expander, 8bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, SOIC

Part Number : PCA9557DB,118

Brands :

Package :

Description :

Part Number : PCA9557PW,127

Brands :

Package :

Description :

Part Number : PCA9557DP,112

Brands :

Package :

Description :

Part points

The PCA9557BS chip is an I2C-bus controlled 16-bit I/O expander with onboard ESD protection. It provides general-purpose parallel input/output expansion for most microcontroller families via I2C-bus interface. The chip can be configured as digital input, digital output, or a combination of both. It operates with a voltage range of 2.3V to 5.5V, making it suitable for a wide range of applications.
Equivalent

Some equivalent products of the PCA9557BS chip include the PCA9557D, PCA9557DR, PCA9557PW, PCA9557PWR, PCA9557BS112, PCA9557BS118, PCA9557BS115, PCA9557BS118HN, and PCA9557BS118HN-T.
Features

The PCA9557BS is a 16-bit I2C-bus and SMBus I/O expander with an interrupt output and active-low reset input. Some of its key features include low standby current consumption, internal power-on reset, Schmitt-trigger on all inputs, open-drain outputs, and software reset and power-on reset options.
Pinout

The PCA9557BS is a 24-pin integrated circuit (IC) that functions as a 16-bit I2C and SMBus I/O expander. It offers programmable outputs for driving LEDs and inputs for monitoring switches or other digital signals. The pin count includes 16 general-purpose I/Os, power, ground, and communication pins.
Manufacturer

The PCA9557BS is manufactured by NXP Semiconductors. NXP is a multinational semiconductor company that produces a wide range of electronic components, including microcontrollers, transistors, and integrated circuits. They specialize in providing solutions for automotive, industrial, and Internet of Things (IoT) applications.
Application Field

The PCA9557BS is a general-purpose I/O expander that provides digital I/O expansion for microcontroller systems. It is commonly used in various application areas, including industrial automation, consumer electronics, medical devices, and automotive systems. The PCA9557BS can help increase the number of available I/O pins and simplify the design and interface of these systems.
Package

The PCA9557BS chip is packaged in a TSSOP-16 form. Its size dimension is approximately 5.00mm x 4.40mm.