PCA9544APWRG4
- Mfr.Part #
- PCA9544APWRG4
- Manufacturer
- Texas Instruments
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20TSSOP
- Stock
- 105,260
- In Stock :
- 105,260
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- Mount :
- Surface Mount
- Logic Function :
- Multiplexer
- Applications :
- Translating Switch
- Lead Free :
- Lead Free
- Number of Terminations :
- 20
- Terminal Form :
- Gull wing
- Base Part Number :
- CA9544
- Terminal Pitch :
- 0.65mm
- Supply Voltage :
- 2.5V
- Number of Pins :
- 20
- Length :
- 6.5mm
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Thickness :
- 1mm
- Terminal Position :
- Dual
- Min Operating Temperature :
- -40°C
- Number of Outputs :
- 1
- Packaging :
- Tape and Reel (TR)
- Height :
- 1.2mm
- Supply Voltage-Max (Vsup) :
- 5.5V
- Propagation Delay :
- 1 ns
- Packing Method :
- TR
- Voltage - Supply :
- 2.3V~5.5V
- Supply Voltage-Min (Vsup) :
- 2.3V
- Width :
- 4.4mm
- Peak Reflow Temperature (Cel) :
- 260
- Number of Inputs :
- 4
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- JESD-609 Code :
- e4
- RoHS Status :
- ROHS3 Compliant
- Radiation Hardening :
- No
- Output Polarity :
- TRUE
- Max Operating Temperature :
- 85°C
- Factory Lead Time :
- 6 Weeks
- Weight :
- 76.997305mg
- Interface :
- I2C, SMBus
- Mounting Type :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- yes
- Max Frequency :
- 400kHz
- Temperature Grade :
- Industrial
- Power Dissipation :
- 400mW
- Number of Functions :
- 1
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Pin Count :
- 20
- Datasheets
- PCA9544APWRG4

Specialized Texas Instruments PCA9544APWRG4 Overview
The Texas Instruments PCA9544APWRG4 is a highly specialized interface IC that serves as a crucial component in sophisticated electronic systems. This IC is engineered to manage multiple I2C devices that are connected to the same bus. With its 20-TSSOP packaging, it provides a compact, efficient solution for systems requiring reliable and flexible I/O expansions. As a Specialized Texas Instruments PCA9544APWRG4 product, it is designed to facilitate communication between a main processor and multiple peripheral devices, ensuring streamlined and error-free data transmission which is essential for high-performance applications.
PCA9544APWRG4 Features
This specialized interface IC boasts several key features that make it an indispensable tool for advanced electronics design. It includes four separate I2C-bus channels with a bus master arbitration support to prevent data collision. Each channel can be independently enabled or disabled through software configuration, offering excellent flexibility in managing connectivity. Additionally, the PCA9544APWRG4 supports both interrupt signaling and a reset function, enhancing system reliability and recovery without compromising on performance.
PCA9544APWRG4 Applications
- Multi-sensor systems: Allows multiple sensors to feed data to a single processor without signal interference, ideal for industrial automation systems.
- Server management: Facilitates communication among different server components within a rack to optimize performance and system monitoring.
- Consumer electronics: Used in devices such as smart TVs and gaming consoles to manage various user inputs and peripheral communications seamlessly.
- Automotive applications: Integrates multiple control units within vehicles, ensuring reliable operation of advanced driver-assistance systems (ADAS).
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















