Overview
The PCA9539PW,112 from NXP USA Inc. is a versatile and feature-rich Integrated Circuit (IC) designed to meet the demands of modern electronics. This 16-bit I2C and SMBus low-power I/O expander provides general-purpose remote I/O expansion for most microcontroller families. It operates within a wide supply voltage range of 2.3 V to 5.5 V, making it suitable for a variety of applications including consumer electronics, automotive systems, and industrial machinery. The IC is known for its high-speed communication capabilities, robust design, and industry-standard qualifications, ensuring reliability and efficiency in IO port control.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCA9539PW,112 |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) |
| Mounting Style | SMD/SMT |
| Interface Type | I2C, Serial, SMBus |
| Number of I/Os | 16 I/O |
| Supply Voltage - Min | 2.3 V |
| Supply Voltage - Max | 5.5 V |
| Maximum Clock Frequency | 400 kHz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Input Voltage | 5 V |
| Logic Family | PCA9539 |
| Logic Type | I2C, SMBus |
| Output Current | 50 mA |
| Output Voltage | 5 V |
| Power Dissipation | 200 mW |
| Interrupt Output | Yes (Open-drain active-low interrupt output) |
Key Features
- Low standby-current consumption of 1 μA max, ensuring low power consumption in standby mode.
- I2C to Parallel port expander, providing flexible communication options.
- Open-drain active-low interrupt output for efficient interrupt handling.
- Operating supply voltage range of 2.3 V to 5.5 V, making it versatile for various applications).
- 16-bit I/O expansion with two 8-bit configuration, input port, output port, and polarity inversion registers).
- Automotive qualification standard and absence of SVHC, suitable for automotive and environmentally conscious applications).
- MSL 1 - Unlimited moisture sensitivity level, ensuring reliability in storage and handling).
Applications
- Consumer Electronics: Ideal for expanding I/O capabilities in consumer devices such as smartphones, tablets, and smart home appliances).
- Automotive Systems: Suitable for automotive applications due to its automotive qualification standard and robust design).
- Industrial Machinery: Used in industrial control systems, automation, and other industrial applications requiring reliable I/O expansion).
Q & A
- What is the PCA9539PW,112 used for?
The PCA9539PW,112 is used as a 16-bit I2C and SMBus low-power I/O expander, providing general-purpose remote I/O expansion for most microcontroller families).
- What is the operating voltage range of the PCA9539PW,112?
The operating supply voltage range is from 2.3 V to 5.5 V).
- What is the maximum clock frequency of the PCA9539PW,112?
The maximum clock frequency is 400 kHz).
- Does the PCA9539PW,112 have an interrupt output?
Yes, it has an open-drain active-low interrupt output).
- What is the minimum and maximum operating temperature of the PCA9539PW,112?
The minimum operating temperature is -40°C and the maximum is +85°C).
- Is the PCA9539PW,112 RoHS compliant?
Yes, the PCA9539PW,112 is RoHS compliant).
- What is the package type of the PCA9539PW,112?
The package type is 24-TSSOP (0.173", 4.40mm Width)).
- What are the key features of the PCA9539PW,112?
Key features include low standby-current consumption, I2C to Parallel port expander, open-drain active-low interrupt output, and a wide operating supply voltage range).
- What applications is the PCA9539PW,112 suitable for?
It is suitable for consumer electronics, automotive systems, and industrial machinery).
- Does the PCA9539PW,112 have automotive qualification?
Yes, it has automotive qualification standard, making it suitable for automotive applications).
