Overview
The PCA9554PW,118 is a 16-pin CMOS device manufactured by NXP Semiconductors, designed to provide 8 bits of general-purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications. This device is part of the PCA9554 family, which has been developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. It offers several improvements including higher drive capability, 5 V I/O tolerance, lower supply current, individual I/O configuration, and a smaller packaging option.
Key Specifications
| Attribute | Value |
|---|---|
| Interface Type | I2C/SMBus |
| Clock Frequency-Max | 400 kHz |
| No of I/O Lines | 8 |
| Supply Voltage-Nom | 2.3 V to 5.5 V |
| Supply Current | 85 mA |
| Output Type | Push Pull |
| Output Current | 25 mA |
| Operating Temp Range | -40°C to +85°C |
| Storage Temperature Range | -65°C to +150°C |
| Power Dissipation | 0.2 W |
| Moisture Sensitivity Level | 1 |
| Package Style | TSSOP-16 |
| Mounting Method | Surface Mount |
Key Features
- Operating power supply voltage range of 2.3 V to 5.5 V
- 5 V tolerant I/Os
- Polarity Inversion register
- Active LOW interrupt output
- Low standby current
- Noise filter on SCL/SDA inputs
- No glitch on power-up
- Internal power-on reset
- 8 I/O pins which default to 8 inputs
- 0 Hz to 400 kHz clock frequency
Applications
The PCA9554PW,118 is versatile and can be used in various applications, including:
- Industrial automation
- Consumer electronics
- Lighting control systems
- Automotive applications
- ACPI power switches, sensors, push buttons, LEDs, fans, etc.
Q & A
- Q: What is the PCA9554PW,118 used for?
A: The PCA9554PW,118 is used for general-purpose I/O expansion in I2C-bus/SMBus applications, providing additional GPIO lines to microcontrollers.
- Q: What is the operating voltage range of the PCA9554PW,118?
A: The operating voltage range is from 2.3 V to 5.5 V.
- Q: What is the maximum clock frequency of the PCA9554PW,118?
A: The maximum clock frequency is 400 kHz.
- Q: How many I/O lines does the PCA9554PW,118 provide?
A: It provides 8 I/O lines.
- Q: What is the output current capability of the PCA9554PW,118?
A: The output current capability is 25 mA.
- Q: What is the operating temperature range of the PCA9554PW,118?
A: The operating temperature range is from -40°C to +85°C.
- Q: What type of package does the PCA9554PW,118 come in?
A: It comes in a TSSOP-16 package.
- Q: Is the PCA9554PW,118 RoHS compliant?
A: Yes, the PCA9554PW,118 is RoHS compliant.
- Q: What are some common applications of the PCA9554PW,118?
A: Common applications include industrial automation, consumer electronics, lighting control systems, and automotive applications.
- Q: Does the PCA9554PW,118 have an internal power-on reset?
A: Yes, it has an internal power-on reset.
