Cataloged
Source verified
IO ExpandersRFQ only
Texas Instruments PCA9557PWR
Brand: Texas Instruments · Manufacturer: Texas Instruments · MPN: PCA9557PWR · NeoGiga SKU: NG-201547
-40℃~+85℃ 10mA 1uA 2.3V~5.5V 25mA 400kHz 4V 500mV 8 8 I2C、SMBus No Interrupt Output Push-Pull、Open-drain Reset function、Cascading and address extension、Built-in LED driver TSSOP-16 I/O Expanders ROHS
Technical Specifications
| Product Identity | |
|---|---|
| Manufacturer Part Number | PCA9557PWR |
| NeoGiga SKU | NG-201547 |
| Brand | Texas Instruments |
| Manufacturer | Texas Instruments |
| Category | IO Expanders |
| Source Technical Data | |
| Operating Temperature | -40℃~+85℃ |
| Clock Frequency | 400kHz |
| Output Source current | 10mA |
| Output Sink Current | 25mA |
| Interrupt Output | 无中断输出 |
| Output Type | 漏极开路;Push-pull |
| Supply Voltage | 2.3V~5.5V |
| Number of I/O | 8 |
| Interface | I²C, SMBus |
| Package | TSSOP-16 |
| Packaging | Tape & Reel (TR) |
| Minimum Order Quantity | 1 |
| Order Multiple | 1 |
| RoHS Compliant | Yes |
| Datasheet | Open datasheet |
Seller offers
Regional sourcing options
No public seller offers yet
NeoGiga can still source this part through RFQ. Seller-specific offers will appear here when vendor pricing is published.
Start RFQDatasheets & Downloads
Datasheet for PCA9557PWR
Download datasheet
Alternatives & Accessories
Alternative parts and accessories are being mapped.
Related LMS Tutorials
Related tutorials, lab kits and project usage will appear here.
Open Learning HubReviews & Q&A
Engineering feedback
Approved customer reviews will appear here after moderation.
Related products