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PCA9557RGVR on a board, in 3D

PCA9557RGVR

Texas Instruments

-40℃~+85℃ 2.3V~5.5V 400kHz 8 I2C、SMBus No Interrupt Output Reset function、Cascading and address extension、Built-in LED driver QFN-16-EP(4x4) I/O Expanders ROHS

Extended
DatasheetJLCPCBLCSCti/PCA9557RGVR
Category
I, O Expanders
Package
QFN-16-EP(4x4)
Pins
17

Overview

The PCA9557RGVR is an i, O Expander made by Texas Instruments in a QFN-16-EP(4x4) package with 17 pins. -40℃~+85℃ 2.3V~5.5V 400kHz 8 I2C、SMBus No Interrupt Output Reset function、Cascading and address extension、Built-in LED driver QFN-16-EP(4x4) I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:PCA9557RGVR, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-16_L4.0-W4.0-P0.65-BL-EP2.2, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2669728). 1 open-source board in 1 repository on GitHub use it.

Symbol

EP17SDA16SCL15VCC14RESET#13P712P611P510P49P38P27GND6P15P04A23A12A01
EasyEDA_Cloud:PCA9557RGVRFrom EasyEDA

Footprint

1234567891011121314151617
EasyEDA_Cloud:QFN-16_L4.0-W4.0-P0.65-BL-EP2.2From EasyEDA

Parameters

12
Clock Frequency
400kHz
Current - Output High(IOH)
10mA
Current - Output Low(IOL)
25mA
Features
Built-in LED driver；Reset function；Cascade and address expansion
Interface
I2C；SMBus
Interrupt Output
No Interrupt Output
Number of I/O
8
Number of Supporting Devices
8
Operating Temperature
-40℃~+85℃
Output Type
Open-drain；Push-pull
Quiescent Supply Current
200nA
Voltage - Supply
2.3V~5.5V

Order codes

1

Pinout

17
The pins of the PCA9557RGVR
PinNameType
1A0Unspecified
2A1Unspecified
3A2Unspecified
4P0Unspecified
5P1Unspecified
6GNDUnspecified
7P2Unspecified
8P3Unspecified
9P4Unspecified
10P5Unspecified
11P6Unspecified
12P7Unspecified
13RESET#Unspecified
14VCCUnspecified
15SCLUnspecified
16SDAUnspecified
17EPUnspecified

Open-source boards using it

All 1
  • 4 layers88 × 35.8 mmNref ports one, the printed circuit board in 3D

    Nref ports one

    cetola/reform-next-mirror

    The original Open Hardware laptop, reloaded.

    153 parts

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Questions

Is there a KiCad symbol and footprint for the PCA9557RGVR?

Yes. The symbol is EasyEDA_Cloud:PCA9557RGVR and the footprint EasyEDA_Cloud:QFN-16_L4.0-W4.0-P0.65-BL-EP2.2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCA9557RGVR?

QFN-16-EP(4x4), with 17 pins. Its footprint is drawn on this page.

Where is the PCA9557RGVR datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the PCA9557RGVR?

JLCPCB lists it as part C2669728, with 0 in stock; the sellers' links on this page open their listings.

What can replace the PCA9557RGVR?

Parts like it in the library: the PCA9555PW by NXP Semiconductors, the AW9523BTQR by AWINIC, the TCA6416ARTWR by Texas Instruments and the TCA9535PW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the PCA9557RGVR?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8