Texas Instruments TCA9555RTWR Microcontrollers
I2C/SMBus Interface 400kHz 5.5V 24-Pin WQFN EP T/R
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TCA9555RTWR
Detailed Description
I2C/SMBus Interface 400kHz 5.5V 24-Pin WQFN EP T/R
Package
24-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
TCA9555RTWR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments TCA9555RTWR Microcontrollers technical specifications.
General
Interface
I²C, SMBus
RoHS
Yes
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
1.65V ~ 5.5V
Lifecycle Status
Active
Features
POR
Output Type
Push-Pull
Number of I/O
16
Alternate Parts Comparison (TCA9555RTWR vs TCA1116RTWR vs TCA6416RTWR vs LM2754SQ/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 | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 2.8V ~ 5.5V |
| Lifecycle Status | Active | Active | Not For New Designs | Active |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | -- |
| Interface | I²C, SMBus | I²C | I²C, SMBus | -- |
| Clock Frequency | 400 kHz | 400 kHz | 400 kHz | -- |
| Features | POR | POR | POR | -- |
| Interrupt Output | Yes | Yes | Yes | -- |
| Max Frequency | 400 kHz | 400 kHz | 400 kHz | -- |
| Number of I/O | 16 | 16 | 16 | -- |
| Output Type | Push-Pull | Push-Pull | Push-Pull | -- |
| 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
CAT9532HV6I-GT2onsemiSimilaronsemi
Pin YesPkg YesElec Mixed
LED Driver IC 16 Output Linear I2C Dimming 25mA 24-TQFN (4x4)
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LM25117QPSQX/NOPBTexas InstrumentsAutomotive Grade 4.5-42V Wide Vin, Current Mode Synchronous Buck Controller with Tracking 24-WQFN -40 to 125
LMX2485ESQX/NOPBTexas InstrumentsDelta-Sigma Low Power Dual PLL for RF Personal Communications 24-WQFN -40 to 85
LP8556SQX-E09/NOPBTexas Instruments6 channel high-efficiency/Efficacy LED backlight driver 24-WQFN -30 to 85