2 layers240 × 194 mm
Infinitas
freeDSP/freeDSP-INFINITAS
USB Audio Class 2 compliant audio interface with up to 32 input and up to 32 output channels and optional ADAU1452 DSP.
1,020 parts35
PCA9545APW
NXP SemiconductorsExtended
2.3V~5.5V I2C、SMBus TSSOP-20 Interface - Specialized ROHS
- Part id
- nxp/PCA9545APW
- Category
- Interface, Specialized
- Package
- TSSOP-20
- Pins
- 20
- In stock
- 105 at JLCPCB (C129515)
- Used on
- 2 open-source boards
Overview
The PCA9545APW is an interface, Specialized made by NXP Semiconductors in a TSSOP-20 package with 20 pins. 2.3V~5.5V I2C、SMBus TSSOP-20 Interface - Specialized ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:PCA9545APW,118, from EasyEDA) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 105 are in stock at JLCPCB (part C129515). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Unspecified |
| 2 | A1 | Unspecified |
| 3 | RESET# | Unspecified |
| 4 | INT0# | Unspecified |
| 5 | SD0 | Unspecified |
| 6 | SC0 | Unspecified |
| 7 | INT1# | Unspecified |
| 8 | SD1 | Unspecified |
| 9 | SC1 | Unspecified |
| 10 | VSS | Unspecified |
| 11 | INT2# | Unspecified |
| 12 | SD2 | Unspecified |
| 13 | SC2 | Unspecified |
| 14 | INT3# | Unspecified |
| 15 | SD3 | Unspecified |
| 16 | SC3 | Unspecified |
| 17 | INT# | Unspecified |
| 18 | SCL | Unspecified |
| 19 | SDA | Unspecified |
| 20 | VDD | Unspecified |
Open-source boards using it
2- 2 layers168.5 × 29.6 mm
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 - SpecializedPCA9544APW
TSSOP-20-40℃~+85℃ 2.3V~5.5V I2C、SMBus TSSOP-20 Interface - Specialized ROHSTexas InstrumentsInterface - 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 PCA9545APW?
Yes. The symbol is EasyEDA_Cloud:PCA9545APW,118 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 PCA9545APW?
TSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the PCA9545APW datasheet?
NXP Semiconductors publishes it: the Datasheet link on this page opens it.
Where can I order the PCA9545APW?
JLCPCB lists it as part C129515, with 105 in stock; the sellers' links on this page open their listings.
What can replace the PCA9545APW?
Parts like it in the library: the PCA9544APW by NXP Semiconductors, the NCA9545-DTSR by NOVOSENSE, the PCA9544APW by Texas Instruments and the PCA9545APW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the PCA9545APW?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.