PCA9544APW
Texas InstrumentsExtended
-40℃~+85℃ 2.3V~5.5V I2C、SMBus TSSOP-20 Interface - Specialized ROHS
- Part id
- ti/PCA9544APW
- Category
- Interface, Specialized
- Package
- TSSOP-20
- Pins
- 20
- In stock
- 289 at JLCPCB (C555455)
Overview
The PCA9544APW is an interface, Specialized made by Texas Instruments in a TSSOP-20 package with 20 pins. -40℃~+85℃ 2.3V~5.5V I2C、SMBus TSSOP-20 Interface - Specialized ROHS.
PCBKit's library has its KiCad symbol (Interface_Expansion:PCA9544APW, from KiCad's library) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 289 are in stock at JLCPCB (part C555455).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | A2 | Input |
| 4 | INT0 | Input |
| 5 | SD0 | Input/output |
| 6 | SC0 | Output |
| 7 | INT1 | Input |
| 8 | SD1 | Input/output |
| 9 | SC1 | Output |
| 10 | VSS | Power in |
| 11 | INT2 | Input |
| 12 | SD2 | Input/output |
| 13 | SC2 | Output |
| 14 | INT3 | Input |
| 15 | SD3 | Input/output |
| 16 | SC3 | Output |
| 17 | INT | Open collector |
| 18 | SCL | Input |
| 19 | SDA | Input/output |
| 20 | VDD | Power in |
Parts like it
8
PCA9544APW
TSSOP-202.3V~3.6V、4.5V~5.5V I2C、SMBus Interrupt generation、Power-up/reset configuration TSSOP-20 Analog Switches - Special Purpose ROHSNXP SemiconductorsInterface - SpecializedNCA9545-DTSR
TSSOP-20-40℃~+85℃ 1.65V~5.5V 10uA 300nA I2C TSSOP-20 Interface - Specialized ROHSNOVOSENSEInterface - SpecializedPCA9545APW
TSSOP-202.3V~5.5V I2C、SMBus TSSOP-20 Interface - Specialized ROHSNXP SemiconductorsInterface - SpecializedPCA9545APW
TSSOP-20-40℃~+85℃ 12uA 2.3V~+5.5V 2uA I2C Interrupt generation、Power-up/reset configuration TSSOP-20 Analog Switches - Special Purpose ROHSTexas InstrumentsInterface - SpecializedPCA9518PW
TSSOP-20-40℃~+85℃ 3V~3.6V Enable/shutdown function I2C TSSOP-20 Signal Buffers, Repeaters, Splitters ROHSNXP SemiconductorsInterface - SpecializedPCA9559PW
TSSOP-203V~3.6V I2C TSSOP-20 Interface - Specialized ROHSNXP SemiconductorsInterface - SpecializedNCN6001DTB
TSSOP-20-25℃~+85℃ 1.5mA 2.75V~5.5V 25uA、35uA I2C、SPI Interrupt generation、Enable/shutdown function TSSOP-20 Interface - Specialized ROHSonsemiInterface - SpecializedPCA9665PW
TSSOP-20-40℃~+85℃ 1Mbps 2.3V~3.6V I2C Interrupt generation TSSOP-20 Interface - Specialized ROHSNXP SemiconductorsInterface - Specialized
Questions
Is there a KiCad symbol and footprint for the PCA9544APW?
Yes. The symbol is Interface_Expansion:PCA9544APW and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the PCA9544APW?
TSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the PCA9544APW datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the PCA9544APW?
JLCPCB lists it as part C555455, with 289 in stock; the sellers' links on this page open their listings.
What can replace the PCA9544APW?
Parts like it in the library: the PCA9544APW by NXP Semiconductors, the NCA9545-DTSR by NOVOSENSE, the PCA9545APW by NXP Semiconductors and the PCA9545APW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.