Texas Instruments PCA9554PWR Microcontrollers
8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-TSSOP -40 to 85
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCA9554PWR
Detailed Description
8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-TSSOP -40 to 85
Package
16-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Not For New Designs
Datasheet
PCA9554PWR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments PCA9554PWR Microcontrollers technical specifications.
General
Interface
I²C, SMBus
RoHS
Yes
Package / Case
16-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2.3V ~ 5.5V
Lifecycle Status
Not For New Designs
Features
POR
Output Type
Push-Pull
Number of I/O
8
Alternate Parts Comparison (PCA9554PWR vs LM3450MTX/NOPB vs LM25574QMTX/NOPB vs LM5574Q0MTX/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Not For New Designs | Active | Active | Active |
| Package | TSSOP (PW)-16 | 16-TSSOP | TSSOP (PW)-16 | TSSOP (PW)-16 |
| Operating Temperature Range C | -40 to 85 | -- | -40 to 125 | -40 to 125 |
| Output Type | Push-Pull | -- | Adjustable | Adjustable |
| Number of Outputs | -- | 1 | 1 | 1 |
| Output Voltage | -- | 11.5V | 1.225V | 1.225V |
| Topology | -- | Flyback, Step-Up (Boost) | Buck | Buck |
| Type | -- | AC DC Offline Switcher | Converter | Converter |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
FXL6408UMXonsemiSimilaronsemi
Pin NoPkg NoElec Mixed
I/O Expander 8 I2C 400 kHz 16-UMLP (1.8x2.6)
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