Overview
The PCA9534PW/DG,118 is a 16-pin CMOS device developed by NXP USA Inc. to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications. This device is part of NXP's family of I2C-bus I/O expanders and offers several improvements including higher drive capability, 5 V I/O tolerance, lower supply current, individual I/O configuration, and a 400 kHz clock frequency. It is designed to enhance system capabilities by providing additional I/O ports, making it suitable for various applications such as ACPI power switches, sensors, push buttons, LEDs, and fans.
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 | 104 µA |
| 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
- 8-bit I2C-bus GPIO
- 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
Applications
The PCA9534PW/DG,118 is designed to provide additional I/O ports for various applications, including:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fans
- Other peripheral devices requiring I/O expansion
Q & A
- What is the PCA9534PW/DG,118 used for? The PCA9534PW/DG,118 is used to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications.
- What is the maximum clock frequency of the PCA9534PW/DG,118? The maximum clock frequency is 400 kHz.
- What is the supply voltage range of the PCA9534PW/DG,118? The supply voltage range is from 2.3 V to 5.5 V.
- How many I/O lines does the PCA9534PW/DG,118 have? It has 8 I/O lines.
- What is the output current capability of the PCA9534PW/DG,118? The output current capability is 25 mA.
- What is the operating temperature range of the PCA9534PW/DG,118? The operating temperature range is from -40°C to +85°C.
- Does the PCA9534PW/DG,118 have any noise filtering capabilities? Yes, it has noise filters on SCL/SDA inputs.
- What type of package does the PCA9534PW/DG,118 come in? It comes in a TSSOP-16 package.
- How is the PCA9534PW/DG,118 mounted? It is surface mounted.
- Does the PCA9534PW/DG,118 have an internal power-on reset feature? Yes, it has an internal power-on reset feature.
