PCA9554ARGVR
Manufacturer: Texas Instruments
Part Number: PCA9554ARGVR
| Attribute | Value |
| cate_name | I/O Port Expanders |
| Datasheet | PCA9554ARGVR Texas Instruments |
| rohs | Compliance |
| reference_package | QFN |
| mounting | SMD mount，glue mount |
| application_level | Industrial |
| lifecycle | On sale |
| spm | Tape & Reel |
| operating_temperature | -40℃~85℃ |
| length_width_height | |
| interrupt_output | yes |
| max_clock_frequency | 400KHz |
| max_operating_supply_voltage | 5.5V |
| min_operating_supply_voltage | 2.3V |
| number_of_ios | 8 |
| protocols_supported | I2C，SMBus |
| sink_current | 25mA |
| source_current | 10mA |
| typical_supply_current | 104μA |
Overview:
The Texas Instruments PCA9554ARGVR is a high-performance, I2C-compatible LED driver designed to provide precise control over up to 16 individual LEDs. This device is ideal for applications requiring advanced lighting control, such as automotive, consumer electronics, and industrial systems. With its flexible configuration options and robust performance, the PCA9554ARGVR is a reliable choice for developers seeking to enhance their lighting systems.
Features:
1. I2C-Compatible Interface: The PCA9554ARGVR supports a standard I2C interface, making it easy to integrate into existing systems.
2. 16 Independent LED Channels: Each of the 16 channels can be controlled individually, allowing for complex lighting effects and patterns.
3. 100mA Output Current: The device can supply up to 100mA per channel, ensuring sufficient power for most LED applications.
4. Programmable Current Settings: The output current for each channel can be adjusted via software, providing fine control over brightness levels.
5. Group Control: LEDs can be grouped for simultaneous control, simplifying complex lighting sequences.
6. Sleep Mode: The device can be put into a low-power sleep mode to conserve energy when not in use.
7. Wide Operating Voltage Range: Compatible with a wide range of input voltages (2.7V to 5.5V), making it suitable for various applications.
Development Support:
Texas Instruments provides comprehensive development support for the PCA9554ARGVR, including:
1. Technical Documentation: Detailed datasheets, application notes, and design guides to assist developers in implementing the device.
2. Software Tools: I2C communication libraries and example code to help developers quickly integrate the PCA9554ARGVR into their projects.
3. Development Boards: Evaluation boards are available for testing and prototyping with the PCA9554ARGVR.
Application Areas:
The PCA9554ARGVR is suitable for a wide range of applications, including:
1. Automotive: Interior and exterior lighting control, such as ambient lighting, dashboard indicators, and taillights.
2. Consumer Electronics: Smart home devices, wearables, and portable gadgets requiring advanced lighting control.
3. Industrial Systems: Machine status indicators, warning lights, and other applications requiring precise LED control.
Parameter Introduction:
- Operating Voltage: 2.7V to 5.5V
- Output Current per Channel: Up to 100mA
- Number of Channels: 16
- Interface: I2C
- Package Type: AVR
- Operating Temperature Range: -40°C to +85°C
FAQs:
1. Q: Can the PCA9554ARGVR be used in battery-powered devices?
A: Yes, the device's low-power sleep mode makes it suitable for battery-powered applications.
2. Q: Is there a maximum limit on the number of PCA9554ARGVR devices that can be connected to a single I2C bus?
A: Yes, the maximum number of devices that can be connected to a single I2C bus depends on the bus's capacity and the specific system design.
3. Q: Can the PCA9554ARGVR be used to control non-LED devices?
A: While the device is primarily designed for LED control, it can be used to control other devices that require a current source, provided the device's specifications are met.
4. Q: Is there a specific programming language required to work with the PCA9554ARGVR?
A: No, the device can be controlled using various programming languages, as long as the I2C communication protocol is supported.
5. Q: Can the PCA9554ARGVR be used in outdoor lighting applications?
A: While the device itself is not weatherproof, it can be used in outdoor lighting applications when properly protected and housed within a suitable enclosure.
Please refer to the product rule book for details.
TI is best known for its innovative contributions to the electronics industry. It pioneered the development of the integrated circuit in 1958, a technological breakthrough that revolutionized the world of electronics and paved the way for modern computing systems. This innovation has been foundational in the advancement of computers, telecommunications, and many other electronic devices.
The company operates through two main segments: Analog and Embedded Processing. The Analog segment focuses on products like power management chips, audio and operational amplifiers, data converters, and interface products. These components are crucial for managing power, amplifying sound, converting signals, and facilitating communication between devices. TI's analog ICs are used in a wide variety of applications, including industrial, automotive, personal electronics, communication equipment, and enterprise systems.
The Embedded Processing segment involves microcontrollers, digital signal processors (DSPs), and applications processors. These products are used in automotive, industrial, and consumer electronics applications. They are essential for processing complex digital data, controlling electronic systems, and supporting the infrastructure of smart devices and the Internet of Things (IoT).
Texas Instruments also places a strong emphasis on education through its educational technology products, including graphing calculators and classroom software. TI’s calculators have been a staple in mathematics and science classrooms around the world, helping to educate generations of students and making complex mathematical concepts more accessible.
TI is committed to innovation and quality, investing heavily in research and development. The company holds thousands of patents and is continually pushing the boundaries of what is possible in electronics technology. TI’s innovations not only enhance the performance and efficiency of electronic products but also contribute to environmental sustainability through advancements in power-saving technologies.
Moreover, Texas Instruments maintains a strong ethical stance with a commitment to corporate responsibility. It strives to uphold high standards in environmental responsibility, community engagement, and governance practices. TI's corporate culture is characterized by a focus on integrity, respect, and the aspiration to achieve the highest level of customer satisfaction.
In summary, Texas Instruments stands as a leader in the semiconductor industry, driven by a history of innovation, a broad portfolio of technologies, and a commitment to positively impacting the world through its products and practices. Whether through advancing technology or empowering education, TI continues to shape a future where electronics enhance the lives of people everywhere.
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