Overview
The PCA9536DP/DG,118 is an 8-pin CMOS device developed by NXP Semiconductors, designed to provide 4 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus and SMBus applications. This device is part of NXP's family of I2C-bus I/O expanders, offering a simple solution for adding additional I/O capabilities to systems. It is particularly useful for applications involving ACPI power switches, sensors, push buttons, LEDs, and fans.
Key Specifications
| Parameter | Conditions | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 2.3 | 5.5 | V | |
| Clock Frequency | 0 Hz | 400 kHz | ||
| Number of I/O Lines | 4 | |||
| Supply Current (IDD) | 290 µA | |||
| Output Current per Pin (IO(IOn)) | 50 mA | |||
| Total Power Dissipation (Ptot) | 200 mW | |||
| Ambient Temperature (Tamb) | -40 | 85 | °C | |
| Storage Temperature (Tstg) | -65 | 150 | °C | |
| Maximum Junction Temperature (Tj(max)) | 125 | °C | ||
| Package Style | TSSOP-8, SO8, HVSON8 | |||
| Mounting Method | Surface Mount |
Key Features
- 4-bit I2C-bus GPIO expansion
- Operating power supply voltage range of 2.3 V to 5.5 V
- 5 V tolerant I/Os
- Polarity Inversion register for active HIGH or active LOW operation
- Low standby current
- Noise filter on SCL/SDA inputs
- No glitch on power-up
- Internal power-on reset
- 4 I/O pins which default to 4 inputs with 100 kΩ internal pull-up resistor
- ESD protection exceeds 2000 V HBM, 200 V MM, and 1000 V CDM
Applications
The PCA9536 is suitable for various applications where additional I/O capabilities are required, such as:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fans
- Other general-purpose I/O expansion needs
Q & A
- What is the PCA9536DP/DG,118 used for?
The PCA9536DP/DG,118 is used for providing 4 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus and SMBus applications.
- What is the operating voltage range of the PCA9536?
The operating voltage range is from 2.3 V to 5.5 V.
- What is the maximum clock frequency supported by the PCA9536?
The maximum clock frequency is 400 kHz.
- How many I/O lines does the PCA9536 provide?
The PCA9536 provides 4 I/O lines.
- What type of ESD protection does the PCA9536 offer?
The PCA9536 offers ESD protection exceeding 2000 V HBM, 200 V MM, and 1000 V CDM.
- What is the default configuration of the I/O pins at power-on?
The I/O pins default to inputs with a 100 kΩ internal pull-up resistor.
- What are the available package styles for the PCA9536?
The available package styles are TSSOP-8, SO8, and HVSON8.
- What is the mounting method for the PCA9536?
The mounting method is surface mount.
- Does the PCA9536 have internal power-on reset?
Yes, the PCA9536 has an internal power-on reset.
- What kind of noise protection does the PCA9536 offer on its inputs?
The PCA9536 offers noise filters on SCL/SDA inputs.
