PCA9536DGKR

The PCA9536DGKR is a 16-bit I2C I/O port expander designed by NXP Semiconductors. It provides additional GPIOs (General Purpose Input/Output) for microcontrollers and microprocessors, facilitating the expansion of input and output capabilities without requiring additional pins. The device features two 8-bit I/O ports that can be individually configured as inputs or outputs.
With built-in hardware interrupts for input changes, the PCA9536DGKR allows for efficient monitoring of external events. It operates over an I2C bus, supporting multiple devices on the same bus with addresses configurable via external pins.
The chip operates within a voltage range of 1.65V to 5.5V, making it suitable for various applications, including consumer electronics and industrial controls. Its low power consumption and compact SOIC package make it ideal for space-constrained designs. Overall, the PCA9536DGKR is a versatile solution for enhancing I/O capabilities in embedded systems.

The PCA9536DGKR is an I2C bus I/O port expander featuring the following key features:
1. 16 GPIO Pins: Provides 16 general-purpose input/output pins that can be configured individually as inputs or outputs.

2. I2C Interface: Operates over a standard I2C interface, allowing easy connection to microcontrollers and other I2C-compatible devices.
3. Addressing: Supports up to eight devices on the same I2C bus with programmable address selection (three address pins).
4. Interrupt Functionality: Includes an interrupt output (INT) to signal the host processor of any changes on the input pins.
5. Power Supply Voltage: Operates within a supply voltage range of 2.3V to 5.5V, making it suitable for a variety of applications.
6. Low Power Consumption: Consumes minimal power in both active and standby modes, allowing for energy-efficient designs.
7. Latch-up Protection: Designed with built-in protection against latch-up, enhancing reliability.
These features make the PCA9536DGKR ideal for applications requiring additional GPIO without additional microcontroller pins.

The PCA9536DGKR is packaged in a TSSOP-16 (Thin Shrink Small Outline Package) format. This package type features a narrow body and is suitable for surface mounting.

The PCA9536DGKR is a 16-pin I2C I/O port expander. It features the following pin configuration:
1. VDD: Power supply pin.
2. GND: Ground pin.
3. SDA: Serial data line for I2C communication.
4. SCL: Serial clock line for I2C communication.
5. INT: Interrupt output pin.
6. P0 to P7: Eight configurable I/O pins (can be set as inputs or outputs).
The PCA9536 allows for expansion of GPIO capabilities, enabling control of additional devices over the I2C bus. It operates with a supply voltage ranging from 1.65V to 5.5V and supports up to 8 I/O lines. It also features interrupt capabilities to signal the host when input states change. The chip is commonly used in applications such as keyboard interfacing, LED control, and other digital signal management tasks.

The PCA9536DGKR is manufactured by NXP Semiconductors, a global semiconductor company headquartered in Eindhoven, Netherlands. NXP specializes in enabling secure connections and infrastructure for a smarter world, focusing on automotive, industrial, IoT, mobile, and communications applications. The PCA9536 is a 16-pin I2C I/O port expander, which provides additional GPIO pins for microcontrollers and is commonly used in various electronic applications to enhance functionality. NXP is known for its innovation in embedded processing solutions and has a strong presence in the automotive and connectivity markets.

The PCA9536DGKR is a 16-bit I/O port expander with I2C interface, commonly used in various application areas such as consumer electronics, industrial automation, and automotive systems. It facilitates the expansion of GPIO capabilities for microcontrollers, enabling control of LEDs, switches, and sensors. Typical uses include user interface enhancements, data acquisition, and interfacing with peripheral devices in compact designs where pin count is limited.

Equivalent products to the PCA9536DGKR chip include the PCA9535 and PCA9537, which are also I2C GPIO expanders with similar functionality. Other alternatives include the MCP23008 and MCP23017 from Microchip, and the TCA9555 from Texas Instruments, which offer comparable I/O expansion features. Ensure to check specifications for voltage levels, I2C address range, and GPIO count for compatibility.