TCA6424RGJR Specifications
Manufacturer: Texas Instruments
Part Number: TCA6424RGJR
Device Type: I O expander
Interface Type: I2C serial interface
Number of I O: 24 GPIO
Port Configuration: Three 8-bit ports
Supply Voltage Range: 1.65 V to 5.5 V
Logic Compatibility: 1.8 V, 3.3 V, and 5 V logic
Interrupt Output: Active-low interrupt pin
Package Type: VQFN-32
Mounting Style: Surface mount
Operating Temperature Range: -40 °C to +85 °C
Low Power Mode: Yes
Packaging Type: Tape and reel
Key Features
This I O expander increases GPIO count using a simple I2C interface. It supports wide supply voltage operation, which improves system flexibility. Additionally, the device offers interrupt generation to reduce processor polling. The low-power design helps conserve energy in embedded systems. As a result, it integrates well into space-constrained designs. Moreover, the compact VQFN package supports high-density PCB layouts. Therefore, it is suitable for modern mixed-voltage applications.
Applications
Embedded controller GPIO expansion
Industrial automation input output control
Consumer electronics button and LED control
Networking equipment status monitoring
Telecommunications control boards
Medical device interface expansion
Test and measurement equipment
Smart appliances control interfaces
Portable electronics signal expansion
Product Overview
The TCA6424RGJR from Texas Instruments provides an efficient way to expand digital I O using the I2C bus. First, it reduces microcontroller pin usage while maintaining reliable control. Additionally, the 24-bit configuration allows flexible port assignment. As system complexity increases, this device helps simplify PCB routing. Furthermore, the interrupt feature enables faster response to input changes. Consequently, overall system efficiency improves. While compact, the device supports stable operation across a wide voltage range. Therefore, it adapts easily to multi-voltage system designs. Overall, this I O expander delivers scalability, reliability, and power efficiency for embedded electronics.
Contact Us
For pricing, availability, or technical assistance regarding the TCA6424RGJR I O expander, our team is ready to help. Cyndtek supplies factory-new electronic components for production and development needs. Contact our sales team to discuss quantities and lead times. Email Sales@Cyndtek.com for prompt support.
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