The PCA9536DR is a high-quality, state-of-the-art integrated circuit (IC) produced by Texas Instruments, a renowned global semiconductor company.

• Function: Remote 4-bit I2C and SMBus low-power I/O expander optimized for dimming LEDs in 256 discrete steps
• I/O Pins: Four I/O pins can be used as inputs, outputs, or both
• Current Sink: Up to 25 mA
• LED Drive: Can drive LED directly
• I2C-bus Interface: Supports standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) modes
• Reset Input: Includes a reset input
• Interrupt Output: Includes an interrupt output
• Supply Voltage Range: 2.3V to 5.5V
• Level-Shifting Functionality: Built-in level-shifting functionality
• Power-On Reset: Internal power-on reset
• Noise Filter: Noise filter on the SCL/SDA inputs
• Edge Rate Control: Edge rate control on outputs
• Package: Small 8-pin SOIC package
• Operating Temperature: -40°C to 85°C