Overview
The PCA8575PW,118 is a 24-pin TSSOP package semiconductor component manufactured by NXP Semiconductors. It is an 8-bit remote I/O expander designed for the I2C bus, featuring interrupt capabilities. This device is ideal for expanding the I/O capabilities of microcontrollers and other systems, making it suitable for a wide range of applications including connected car systems, IoT sensor networks, medical equipment control, and more.
Key Specifications
| Category | Description |
|---|---|
| Number of I/O | 16 |
| Interface | I²C |
| Interrupt Output | Yes |
| Output Type | Push-Pull |
| Current - Output Source/Sink | 100µA, 25mA |
| Clock Frequency | 400 kHz |
| Voltage - Supply | 2.3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package/Case | TSSOP-24 |
Key Features
- 24-pin TSSOP package
- Operating voltage range of 2.3V to 5.5V
- 8-bit remote I/O expander for I2C-bus with interrupt
- 8 programmable I/O pins
- 400 kHz fast I2C-bus interface
- Open-drain interrupt output
- Low current consumption with latched outputs and high current drive capability
- Internal Power-On Reset (POR) initializes the I/Os as inputs
Applications
- Connected car systems
- IoT sensor networks
- Medical equipment control
- Integrated home security
- Smart grid optimization
- Proximity sensor applications
- Remote monitoring solutions
- Embedded control systems
- Advanced robotics technology
- Smart lighting systems
- Wireless sensor networks
- Automated manufacturing
- Industry 4.0 technology
- Smart home automation
- Health monitoring devices
- Intelligent HVAC systems
- Digital control interfaces
- Smart appliance integration
Q & A
- Q: What is the operating voltage range of the PCA8575PW,118?
A: The PCA8575PW,118 operates within a voltage range of 2.3V to 5.5V. - Q: Can the PCA8575PW,118 be used in 5V systems?
A: Yes, the PCA8575PW,118 is compatible with both 3.3V and 5V systems. - Q: What is the clock frequency of the I2C-bus interface?
A: The clock frequency of the I2C-bus interface is 400 kHz. - Q: Does the PCA8575PW,118 have interrupt capabilities?
A: Yes, the PCA8575PW,118 features an open-drain interrupt output. - Q: How many programmable I/O pins does the PCA8575PW,118 have?
A: The PCA8575PW,118 has 8 programmable I/O pins. - Q: Can multiple PCA8575PW,118 devices be cascaded?
A: Yes, multiple PCA8575PW,118 devices can be cascaded on the same I2C bus to further expand the I/O capabilities of a system. - Q: What is the package type of the PCA8575PW,118?
A: The package type is TSSOP-24. - Q: What is the operating temperature range of the PCA8575PW,118?
A: The operating temperature range is -40°C to 85°C. - Q: Does the PCA8575PW,118 have internal Power-On Reset (POR)?
A: Yes, the PCA8575PW,118 includes an internal Power-On Reset (POR) that initializes the I/Os as inputs. - Q: What are some common applications of the PCA8575PW,118?
A: Common applications include connected car systems, IoT sensor networks, medical equipment control, and more.
