Texas Instruments PCA9544APWR Connectors
4-Ch I2C/SMBus Multiplexer, 400kHz, 2.3-5.5V, TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCA9544APWR
Base Model
Detailed Description
4-Ch I2C/SMBus Multiplexer, 400kHz, 2.3-5.5V, TSSOP
Package
20-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Active
Datasheet
PCA9544APWR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments PCA9544APWR Connectors technical specifications.
General
Interface
I²C, SMBus
RoHS
Yes
Number of Channels
4
Package / Case
20-TSSOP
Mounting Type
Surface Mount
Supply Voltage
2.3V ~ 5.5V
Lifecycle Status
Active
Applications
Translating Switch
Addresses
8
Supply Voltage Max V
5.5
Related Parts Comparison (PCA9544APWR vs PCA9544APWRG4 vs PCA9515BPWR vs PCA9515BDRGR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 20-TSSOP | 20-TSSOP | 14-TSSOP | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supply Voltage | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 3.6V | 2.3V ~ 3.6V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Applications | Translating Switch | Translating Switch | I²C | I²C |
| Package | TSSOP (PW)-20 | TSSOP-20 | 14-TSSOP | 8-SOIC |
| Number of Channels | 4 | -- | 2 | 2 |
| Operating Temperature | -- | - 40°C ~ + 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Action |
More Parts in Analog Switches, Multiplexers and Demultiplexers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
PCA9544APWRG4Texas Instruments4-Channel I 2 C And SMBus Multiplexer With Interrupt Logic 20-TSSOP -40 to 85
TMUX7234PWRTexas Instruments44-V, latch-up immune, 2:1 four-channel precision multiplexer with 1.8-V logic
TMUX6234PWRTexas Instruments36-V, low RON, 2:1(SPDT) four-channel precision switches with latch-up immunity and 1.8-V logic
